WO2009110495A1 - Promoter for secretion of insulin-like growth factor-1, and food or beverage containing the same - Google Patents

Promoter for secretion of insulin-like growth factor-1, and food or beverage containing the same Download PDF

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WO2009110495A1
WO2009110495A1 PCT/JP2009/054039 JP2009054039W WO2009110495A1 WO 2009110495 A1 WO2009110495 A1 WO 2009110495A1 JP 2009054039 W JP2009054039 W JP 2009054039W WO 2009110495 A1 WO2009110495 A1 WO 2009110495A1
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igf
polyphenol
secretion
present
insulin
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French (fr)
Japanese (ja)
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奈緒美 越阪部
みどり 夏目
和恵 佐々木
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明治製菓株式会社
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    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
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    • A61K31/33Heterocyclic compounds
    • A61K31/335Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/35Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom
    • A61K31/352Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom condensed with carbocyclic rings, e.g. methantheline 
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Definitions

  • the present invention relates to an insulin-like growth factor-1 secretion promoter characterized by comprising polyphenol as an active ingredient, and a food or drink containing the same.
  • Actions based on anti-oxidation ability include fat and oil degradation inhibition, oxidation inhibition of biological components such as microsomes and erythrocyte membranes, in vitro actions such as superoxide dismutase-like action and hydroxy radical scavenging action, gastric ulcer prevention action, low-density lipo A protein oxidation resistance enhancing action and the like are known.
  • IGF-1 Insulin-like growth factor-1
  • IGF-1 is a peptide hormone with a molecular weight of about 7500 that has a structure and action very similar to insulin. Yes (Ref. 2 (Goodman Gilman pharmacology book [bottom] Acupuncture Basics and Clinical 10th Edition; Chapter 61 Pharmacology of Insulin, Oral Hypoglycemic Drugs and Pancreatic Endocrinology 2003, p2144) Akiike Akiike, Tokyo Yodogawa Shoten))). IGF-1 actively maintains the cells in a healthy state by promoting cell differentiation and helping cell proliferation (Ref. 3 (Conn3K ⁇ J, 6 others, The Journal, Of Biological Chemistry (J. Biol.
  • IGF-1 is a polypeptide that is known to be produced mainly in the liver by stimulation of growth hormone secretion, and exists in the blood as a polymer complex by binding to an IGF-binding protein. It is known that the metabolism of IGF-1 and the affinity of IGF-1 for the receptor are regulated by this IGF binding protein, and the expression of the IGF binding protein is controlled by growth hormone. Recently, calcitonin gene peptide (hereinafter sometimes abbreviated as “CGRP”) is released by the activation of vanilloid receptor present in sensory nerves distributed throughout the body, and it is released from immature cells of various organs. It has been reported to promote IGF-1 production. (Reference 6 (Kenji Okajima et al., “The latest technology of microbubbles and nanobubbles”, pp. 131-149, (2007)).
  • CGRP calcitonin gene peptide
  • capsaicin contained in chili has been reported to be effective in promoting the secretion of IGF-1 (Japanese Patent Application Laid-Open No. 2006-151971 and Reference 9 (Okajima K. et al Effect of capsaicin on plasma and tissue levels of insulin-like growth factor-I in spontaneously hypertensive rats.Growth Horm IGF Res. 18, 75-81 (2008)).
  • capsaicin is a pungent component of chili pepper, the amount of the food component must be reduced.
  • the present inventors have now found that IGF-1 in blood and various organs is markedly increased in mice fed with foods containing polyphenols. Moreover, it discovered that memory and cognitive ability increased in mice ingesting foods containing polyphenols. Furthermore, the present inventors further investigated the mechanism of IGF-1 production. As with capsaicin, the procyanidins were isolated from mouse spinal dorsal root ganglion cells (hereinafter referred to as “DRG”) having vanilloid receptors. Have been found to stimulate the release of calcitonin gene-related peptide (CGRP). The present invention is based on these findings.
  • the insulin-like growth factor-1 secretion promoter according to the present invention comprises polyphenol as an active ingredient.
  • the food or drink according to the present invention comprises the insulin-like growth factor-1 secretion promoter according to the present invention.
  • the procyanidins content is preferably 0.01 to 20% by weight.
  • a method of promoting insulin-like growth factor-1 secretion in the blood or organ of a mammal comprising ingesting the mammal with an effective amount of polyphenol.
  • the polyphenol is ingested by oral ingestion. More preferably, here, the ingestion of the polyphenol is performed by ingesting a food or drink containing the polyphenol.
  • polyphenols for producing an insulin-like growth factor-1 secretion promoter there is provided use of polyphenols for producing an insulin-like growth factor-1 secretion promoter.
  • a polyphenol for producing a food or drink having an insulin-like growth factor-1 secretion promoting action there is provided.
  • the polyphenol used in the present invention is procyanidins.
  • procyanidins are derived from any one or more of cacao, grape, apple, and pine bark.
  • the procyanidins are one or more selected from procyanidin B2, procyanidin B5, procyanidin C1, and cinnamtannin A2.
  • the IGF-1 secretion promoter according to the present invention and foods and drinks containing the same can promote IGF-1 secretion in blood and organs. Further, the IGF-1 secretion promoter according to the present invention and food and drink containing the same can enhance memory and cognitive ability. Furthermore, the IGF-1 secretion promoter according to the present invention can stimulate the release of calcitonin gene-related peptide by stimulating mouse dorsal root ganglion cells (DRG) having vanilloid receptors, similar to capsaicin.
  • DRG mouse dorsal root ganglion cells
  • the active ingredient in the IGF-1 secretion promoter according to the present invention can be derived from natural plants, so it is excellent in safety and has almost no side effects even when ingested for a long time. Therefore, the IGF-1 secretion promoter of the present invention and food and drink containing the same are very useful as those that can be taken on a daily basis and continuously.
  • IGF-1 secretion can be promoted in the blood and organs, whereby IGF-1 in the body can be increased.
  • An increase in IGF-1 increases collagen, elastin and hyaluronic acid in the skin, for example, and it is possible to maintain skin elasticity, skin tension, and skin moisture.
  • an increase in IGF-1 can restore skin elasticity, stretch wrinkles and improve sagging.
  • an increase in IGF-1 may promote fibroblast differentiation, proliferation and / or function and thus, for example, can accelerate wound healing after trauma or surgery.
  • the increase in IGF-1 activates cells in the hair root such as the hair matrix and hair papilla, which can be expected to produce hair growth and hair growth.
  • an increase in IGF-1 can provide an increase in bone density, a blood pressure lowering effect, and an onset delaying effect of Alzheimer's disease.
  • polyphenol refers to a compound having a structure in which two or more hydroxyl groups are attached to a benzene ring.
  • Polyphenols are classified into simple phenols, flavonoids, hydrolyzed tannins, and condensed tannins (proanthocyanidins).
  • simple phenols include dihydroxyl acid and hydroxylcaffeic acid derivatives.
  • flavonoids include flavones, flavonols, isoflavones, flavans, flavanols (catechins), flavanones, flavonols, chalcones, anthocyanidins and the like.
  • catechins include catechin and epicatechin.
  • Hydrolyzed tannins are simple phenol polymers, and condensed tannins (proanthocyanidins) are flavonoid polymers.
  • the polyphenol is cacao polyphenol, grape polyphenol, apple polyphenol, or pine bark polyphenol.
  • the polyphenol is cocoa polyphenol, more preferably the polyphenol is procyanidins.
  • the polyphenol used in the present invention is not particularly limited with respect to its obtaining method and preparation method.
  • the polyphenol can be obtained by extracting from a plant body containing polyphenol by solvent extraction or the like, and further increasing the purity using an ion exchange resin or the like as necessary.
  • Procyanidins are contained not only in cacao but also in grape seeds / skins, apples, and pine bark. Therefore, according to a preferred embodiment of the present invention, the procyanidins can be derived from any one or more of cacao, grape, apple, and pine bark.
  • procyanidins in the present invention include procyanidin B2 (compound of the following formula (1)), procyanidin B5 (compound of the following formula (2)), procyanidin C1 (compound of the following formula (3)), cinnamtannin.
  • A2 compound of the following formula (4) is exemplified. These can be preferred examples of procyanidins in the present invention.
  • the IGF-1 secretion promoter according to the present invention comprises polyphenol as an active ingredient.
  • the present inventors analyzed cacao polyphenol as an example of polyphenols, as shown in the examples described later, and confirmed that procyanidins were contained therein (Example 1). ⁇ 3). It has been confirmed that procyanidins have an action of promoting the release of calcitonin gene-related peptide (CGRP) (Test Example 1). Moreover, it has been confirmed that polyphenol has an action of promoting secretion of IGF-1 in blood and organs (Test Example 2). Furthermore, as a result of a polyphenol intake test using mice in vivo, spatial cognitive function improved in normal mice compared to mice lacking CGRP release ability (Test Example 3).
  • IGF-1 secretion promoter of the present invention IGF-1 secretion can be promoted in blood and organs, and IGF-1 in the body can be increased.
  • the IGF-1 secretion promoter of the present invention can enhance memory and cognitive ability. Therefore, according to the present invention, a composition for improving memory and cognitive ability comprising the IGF-1 secretion promoter according to the present invention can be provided.
  • the IGF-1 secretion promoter of the present invention can stimulate mouse dorsal root ganglion cells (DRG) having vanilloid receptors and promote the release of calcitonin gene-related peptide.
  • DRG mouse dorsal root ganglion cells
  • IGF-1 has been reported to activate fibroblasts in the skin and promote the differentiation, proliferation and / or function of the cells (Br J Dermatol 2006, 154, pp. 401-410).
  • Fibroblasts promote the production of interstitial substances in the body such as collagen, elastin and hyaluronic acid.
  • Collagen is a major protein constituting connective tissue
  • skin collagen is involved in skin shape formation such as skin texture or elasticity.
  • Elastin is a fibrous protein that exists in the connective tissue of the skin like collagen, and has the function of bundling collagen fibers and supporting them like a spring to keep the skin elastic and firm.
  • Hyaluronic acid is a type of glycosaminoglucan that is distributed in large amounts in the connective tissue of mammals, moisturizes the skin, and plays a role of cushion. Therefore, according to the IGF-1 secretion promoter of the present invention, it is possible to increase IGF-1 in the skin, and eventually increase collagen, elastin and hyaluronic acid in the skin. It can be said that it can maintain skin tension and moisture. Therefore, according to the present invention, it is possible to provide a skin care composition that can maintain skin elasticity, skin tension, and skin moisture, including the IGF-1 secretion promoter according to the present invention.
  • a skin care composition or an anti-wrinkle composition comprising the IGF-1 secretion promoter according to the present invention, which can restore skin elasticity, stretch wrinkles and improve sagging. Can be done.
  • the IGF-1 secretion promoter of the present invention increases IGF-1 in the skin and promotes differentiation, proliferation and / or function of fibroblasts. For this reason, for example, wound healing after trauma or surgery can be accelerated. Therefore, according to the present invention, a composition for wound healing comprising the IGF-1 secretion promoter according to the present invention can be provided.
  • the IGF-1 secretion promoter of the present invention is effective in hair growth and hair growth.
  • a hair growth or hair growth composition comprising the IGF-1 secretion promoter according to the present invention can be provided.
  • IGF- of the present invention there can be provided a composition for increasing bone density or suppressing bone density decrease, comprising the IGF-1 secretion promoter according to the present invention.
  • a composition for lowering blood pressure comprising the IGF-1 secretion promoter according to the present invention can be provided.
  • IGF-1 has been reported to regulate HSF-1 which degrades and detoxifies (detoxifies) ⁇ -amyloid fibrils in Alzheimer's disease (J Biol Chem 2007; 82: 10203-9). Therefore, it can be said that the IGF-1 secretion promoter of the present invention can delay the onset of Alzheimer's disease. Therefore, according to the present invention, a composition for delaying onset of Alzheimer's disease comprising the IGF-1 secretion promoter according to the present invention can be provided.
  • the IGF-1 secretion promoter according to the present invention comprises polyphenol as an active ingredient.
  • “comprising as an active ingredient” means that the promoter according to the present invention contains an active ingredient in an amount sufficient to exhibit a desired IGF-1 secretion promoting effect (ie, an effective amount).
  • the polyphenol concentration in the IGF-1 secretion promoter of the present invention is not particularly limited as long as it is a concentration that promotes the secretion of IGF-1.
  • polyphenol itself may be used as it is as an IGF-1 secretion promoter, but as long as it contains an active ingredient in such an effective amount and does not impair the IGF-1 secretion promotion effect, It may comprise a physiologically acceptable carrier and other additives depending on the desired product form.
  • carriers and additives include excipients, binders, disintegrants, lubricants, coating agents, preservatives, stabilizers, perfumes, buffers, thickeners, colorants, emulsifiers, A dispersing agent, a suspending agent, a preservative, etc. are mentioned.
  • the IGF-1 secretion promoter of the present invention can be administered or ingested to humans or animals other than humans by any of the oral and parenteral administration routes to promote IGF-1 secretion.
  • excipients such as lactose, crystalline cellulose, starch, calcium phosphate; binders such as starch, carmellose sodium, hydroxypropyl cellulose; disintegration, such as carmellose calcium, calcium carbonate, etc.
  • Agents for example, lubricants such as magnesium stearate and talc; tablets, capsules, granules, syrups, dry syrups, powders, pills, fine granules by using coating agents, preservatives, stabilizers, etc. It can be formulated in the form of various liquids, drinks, etc., including pills, troches, emulsions, or conventional syrups. These various preparations can be made into sustained-release preparations whose action is sustained for a long time.
  • parenteral administration examples include, for example, poultices, ointments, creams, lotions, shampoos, rinses, body soaps, soaps, facial cleansers, hair conditioners, emulsions, packs, bath preparations, and the like. It is done. These can be formulated or commercialized, together with carriers and additives as necessary, by techniques commonly used in the art.
  • the active ingredient according to the present invention in order to obtain a desired IGF-1 secretion promoting effect, is administered in an amount of 0.5 to 300 mg per day per kg body weight of an adult in terms of the amount of polyphenol as an active ingredient.
  • the dose or intake is 2 to 200 mg, more preferably 5 to 100 mg.
  • this amount of the active ingredient is divided into once or several times a day, it can be administered or ingested in the form of the accelerator as it is or in the desired form of a medicine, food or drink, etc. Good.
  • the IGF-1 secretion enhancer according to the present invention can be used alone, but can be contained as an additive in various compositions such as pharmaceuticals and foods and drinks, and has an effect of promoting IGF-1 secretion You can get things.
  • the IGF-1 secretion promoter according to the present invention can be derived from a natural plant, it can be used as a food or drink. Therefore, according to another aspect of the present invention, there is provided a food or drink comprising the insulin-like growth factor-1 secretion promoter according to the present invention.
  • the “food or drink” is not a drug and is not particularly limited as long as it is in a form that can be taken orally by mammals, and the form is also a liquid (solution, suspension, emulsion). Liquid, etc.), semi-liquid, powder, or solid molded product. Therefore, the food and drink may be in the form of a beverage, for example, or may be in the form of a dietary supplement tablet such as a supplement.
  • the food or drink comprises an effective amount of an active ingredient of an insulin-like growth factor-1 secretion promoter.
  • “comprising an effective amount of an active ingredient” means containing an active ingredient in such an amount that an effect as an active ingredient can be exhibited as a result of ingesting the amount of each food or drink normally consumed.
  • the active ingredient according to the present invention may be blended in the food and drink as it is or in the form of an accelerator as described above.
  • the food and drink according to the present invention are prepared as food and drink by adding conventional additives such as stabilizers to the active ingredient according to the present invention, various proteins, sugars, fats, trace elements, vitamins, etc. Further, it may be prepared by blending, liquid, semi-liquid or solid, paste, or a general food or drink with active ingredients added.
  • foods and drinks according to the present invention not only foods and drinks mainly made of cocoa beans such as chocolate and cocoa, but also starch-based foods such as bread, biscuits and noodles, or a wide range of foods such as candy, drinks and yogurt It can be used for food and drink.
  • it may be appropriately added in an appropriate production process according to the characteristics and purpose of each food and drink.
  • food and drink such as chocolate, candy, bread, cocoa drink, and cookies are about 0.01 by weight. It is preferable to add from 20% to 20% in order to make use of the taste and physical properties of these foods and drinks.
  • “food and drink” includes health foods, functional foods, foods for specified health use, dietary supplements, foods with a disease risk reduction label, foods that can reduce disease risk, or foods for sick people. Such classifications are also included.
  • the term “food or drink” may be used herein to include feed when used for mammals other than humans.
  • the food for specified health here refers to any legal requirement in each country (for example, Japan) from the viewpoint of health when manufacturing or selling food for the purpose of increasing IGF-1 in the body. Food that may be restricted.
  • Such foods can also be foods that indicate that the foods may reduce disease risk, i.e., foods with a disease risk reduction label.
  • the disease risk reduction label is a label for foods that may reduce the disease risk, and is based on or based on the standard established by the FAO / WHO Joint Food Standards Committee (Codex Committee).
  • the display can be a defined or recognized display with reference to FIG.
  • ingredients having other functions may be further added.
  • the active ingredient of the present invention is added to foods, health foods, functional foods and supplements (for example, foods containing one or more vitamins such as minerals such as calcium and magnesium and vitamin K) consumed in daily life.
  • the food / beverage products which have the function based on another component can be provided.
  • Measurement method / Quantification method of total amount of polyphenol The total amount of polyphenol was measured by the Prussian blue method. Specifically, according to the method described in Martin L. Price and Larry G. Butler, J. Agric Food Chem., Vol. 25 No. 6, 1268-1273, 1977, commercially available epicatechin was calculated as a standard substance. Values were used.
  • Example 1 250 kg of cocoa powder HPA12 (Meiji Seika Co., Ltd., oil content: 12% by weight) was slowly added to 1250 kg of 50% aqueous ethanol solution while stirring. The temperature was raised to 50 ° C. and the mixture was continuously stirred for 30 minutes for extraction. After separation with a decanter, the mixture was further centrifuged at 3000 G to separate into extract and sludge.
  • the yield of the extract was 1003.6 kg. Furthermore, the extract was microfiltered with an Ultrafilter H type (manufactured by Miura Chemical Equipment Co., Ltd.) to obtain a clarified filtrate 982.8 kg. Subsequently, 4.4 kg of dextrin was added to the extract and stirred well, followed by concentration with an evaporator to obtain 234 kg of a primary concentrated solution. Since alcohol remained a little, 240 kg of water was added and stirred again, and then concentrated again with an evaporator. The concentrated liquid was 235.4 kg. This concentrated solution was heat sterilized and then spray-dried to obtain 39.2 kg of powder. The obtained powder is hereinafter referred to as cacao polyphenol concentrated powder.
  • Example 2 5 kg of n-hexane was added to 1.0 kg of cocoa powder HPA12 (manufactured by Meiji Seika Co., Ltd., oil content: 12% by weight) and degreased. Extraction was performed by adding 6 L of 70% acetone to 775 g of defatted cocoa. Next, acetone was removed from the extract with an evaporator. Subsequently, 9 times the amount of water-saturated butanol was added to the extract and stirred, and then allowed to stand to collect and concentrate the butanol layer. The concentrated solution was adsorbed on a synthetic adsorbent (Diaon TM HP2MG) (Mitsubishi Chemical Corporation, 15 cm ⁇ inner diameter 10 cm).
  • Diaon TM HP2MG synthetic adsorbent
  • procyanidins were eluted for each molecular weight, and peak 2 to 23.1 mg, peak 3 to 23.3 mg, and peak 4 to 24.3 mg of IGF-1 secretion promoters were obtained, respectively.
  • Procyanidin B2 and procyanidin B5 were purified and isolated under the following conditions by dissolving 23.1 mg of the IGF-1 secretion promoter obtained from Peak 2 in 2.31 ml of 50% methanol.
  • procyanidin C1 was purified and isolated from the IGF-1 secretion promoter obtained from peak 3 and cinnamtannin A2 was purified and isolated from the IGF-1 secretion promoter obtained from peak 4.
  • Example 4 Production example (chocolate) A milk chocolate having the following composition was produced according to a conventional method. This chocolate was milk chocolate containing 112.9 mg of procyanidins per 50 g.
  • Example 5 Production example (tablets) A tablet confection having the following composition was produced according to a conventional method. This product was a tablet confection containing 27.7 mg of procyanidins per 20 g.
  • Example 6 Production example (Zeledolink) A jelly drink having the following composition was produced according to a conventional method. This product was a jelly drink containing 42.6 mg of procyanidins per 100 g.
  • Example 7 Production example (chewing gum) A chewing gum having the following composition was produced according to a conventional method. This product was a chewing gum containing 14.9 mg of procyanidins per 10 g.
  • Example 8 Production example (beverage) A beverage having the following composition was produced according to a conventional method. This product was a beverage containing 12.8 mg of procyanidins per 100 g.
  • Example 9 Production example (hard candy) A hard candy having the following composition was produced according to a conventional method. This product was a hard candy containing 12.8 mg of procyanidins per 20 g.
  • Example 10 Production example (adjusted cocoa) Adjusted cocoa having the following composition was produced according to a conventional method. This product was adjusted cocoa containing 32.0 mg of procyanidins per 30 g.
  • Culture medium D-MEM / F12 culture medium containing the following components (Invitrogen Corporation) ⁇ Composition composition of culture solution> 10% fetal bovine serum 10 U / ml penicillin 0.1 mg / ml streptomycin 0.25 ⁇ g / ml amphotericin B 10 ng / ml nerve growth factor (manufactured by Sigma) Culture environment: Cultivation was performed in a 37 ° C. CO 2 incubator.
  • Test Example 2 Confirmation of IGF-1 Secretion Action of Cocoa Polyphenol A powder containing 0.5% cocoa polyphenol (CLPr of Example 2) (the composition is as follows) was administered to mice for 4 weeks to Collected. The obtained organ was homogenized with a 1N acetic acid solution, and after centrifugation, the IGF-1 concentration in the supernatant was measured using an enzyme immunoassay (EIA) kit (Diagnostic Systems Laboratories Inc., Webster, TX). In addition, blood was collected from the abdominal aorta and the IGF-1 concentration in plasma was also measured.
  • EIA enzyme immunoassay
  • cacao polyphenol-containing powder bait ⁇ 0.5% cacao polyphenol-containing powder bait> Powdered bait (CLEA Rod ent Diet CE-2; manufactured by CLEA Japan) 99.5% by weight Cocoa polyphenol (CLPr of Example 2) 0.5% by weight
  • Test Example 3 Influence of cocoa polyphenol intake on spatial cognitive function
  • a Morris water maze test was performed using mice administered with a 0.5% cocoa polyphenol-containing meal. Specifically, a transparent acrylic plate platform having a diameter of 10 cm and a height of 11 cm was installed in a pool having a diameter of 120 cm, and water was filled up to 1 cm above to hide the platform. Once a day, the time from arrival at a fixed start point to arrival at the platform was measured, and this was repeated for 5 days. For comparison, the experiment was carried out using mice lacking CGRP release ability (produced according to the method of Neuropharmacology; Harada et al., 52 (2007) 1303-1311).

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Abstract

Disclosed is a promoter for the secretion of insulin-like growth factor-1, which is safe, can be ingested on a daily basis, and comprises a polyphenol as an active ingredient. Also disclosed is a food or beverage containing the promoter. Further disclosed is a method for promoting the secretion of insulin-like growth factor-1 in the blood or an organ in a mammal, which comprises administering an effective amount of a polyphenol to the mammal.

Description

インスリン様成長因子-1分泌促進剤およびそれを含む飲食品Insulin-like growth factor-1 secretion promoter and food and drink containing the same 関連出願の参照Reference to related applications
 本願は、先行する日本国特許出願である特願2008-54044号(出願日:2008年3月4日)および特願2008-238859号(出願日:2008年9月18日)に基づくものであって、それらの優先権の利益を主張するものであり、それらの開示内容全体は参照することによりここに組み込まれる。 This application is based on Japanese Patent Application Nos. 2008-54044 (filing date: March 4, 2008) and Japanese Patent Application No. 2008-238859 (filing date: September 18, 2008), which are prior Japanese patent applications. And claims the benefit of those priorities, the entire disclosures of which are hereby incorporated by reference.
発明の背景Background of the Invention
発明の分野
 本発明は、ポリフェノールを有効成分として含んでなることを特徴とするインスリン様成長因子-1分泌促進剤、およびそれを含む飲食品に関する。
FIELD OF THE INVENTION The present invention relates to an insulin-like growth factor-1 secretion promoter characterized by comprising polyphenol as an active ingredient, and a food or drink containing the same.
背景技術
 ポリフェノールは、抗菌、抗ウイルス、抗酸化、抗突然変異、抗癌、血小板凝集抑制、血糖上昇抑制、血中コレステロール低下、抗う蝕、抗アレルギー、腸内フローラ改善、消臭など非常に広範な生理作用を有することが知られている。中でも、カカオポリフェノールの機能については種々の作用が確認されている。
Background Art Polyphenols are very widespread, such as antibacterial, antiviral, antioxidant, antimutation, anticancer, platelet aggregation inhibition, blood sugar elevation inhibition, blood cholesterol lowering, anti-caries, antiallergy, intestinal flora improvement, deodorization, etc. It is known to have various physiological effects. Among them, various functions have been confirmed for the function of cacao polyphenol.
 抗酸化能に基づく作用としては、油脂の変敗抑制、ミクロゾームや赤血球膜といった生体成分の酸化抑制、スーパーオキシドディスムターゼ様作用やヒドロキシラジカル消去作用などのインビトロでの作用、胃潰瘍予防作用、低密度リポ蛋白酸化抵抗性増強作用などが知られている。 Actions based on anti-oxidation ability include fat and oil degradation inhibition, oxidation inhibition of biological components such as microsomes and erythrocyte membranes, in vitro actions such as superoxide dismutase-like action and hydroxy radical scavenging action, gastric ulcer prevention action, low-density lipo A protein oxidation resistance enhancing action and the like are known.
 また、抗酸化作用以外の作用としては、ヘテロサイクリックアミンに対する抗変異原性作用、血小板凝集能低下作用、血圧低下作用、および低密度リポ蛋白低下作用が知られている(文献1(チョコレート・ココアの科学と機能、第二部チョコレート・ココアの生理機能、福場博保、木村修一・板倉広重・大澤俊彦編、pp.56-179、アイ・ケイコーポレーション))。 In addition to antioxidative effects, antimutagenic effects on heterocyclic amines, platelet aggregation lowering action, blood pressure lowering action, and low density lipoprotein lowering action are known (Reference 1 (chocolate ・Science and function of cocoa, Part II Physiological function of chocolate cocoa, Hirofuku Fukuba, Shuichi Kimura, Hiroshige Itakura, Toshihiko Osawa, pp.56-179, iK Corporation)).
 インスリン様成長因子-1(Insulin-like Growth Factor-1)(以下において、「IGF-1」と略すことがある)は、インスリンに非常に似た構造および作用を持つ分子量約7500のペプチドホルモンである(文献2(グッドマン・ギルマン薬理書[下] 薬物治療の基礎と臨床第10版;第61章 インスリン、経口血糖降下薬と膵臓内分泌の薬理学 2003、p2144 監訳:高折 修二、福田 英臣、赤池 昭紀 東京廣川書店発行))。IGF-1は細胞の分化を促し、細胞の増殖を助ける等、積極的に細胞を健康な状態に維持し(文献3(コーン・ケー・ジェイ(Conn K J)外6名,ザ・ジャーナル・オブ・バイオロジカル・ケミストリー(J. Biol. Chem.)1996年、第271巻、第46号、p.28853-28860)、文献4(ブラハム・シー(Braham C)外4名,デルマトロジー(Dermatology)、2002年、第20巻、第4号、p.325-329))、老化の進行を阻止することが知られている(文献5(ローベノッフ・アール(Roubenoff R)外8名,ザ・アメリカン・ジャーナル・オブ・メディシン(Am. J. Med.)、2003年、第115巻、第6号、p.501-502))。 Insulin-like growth factor-1 (hereinafter sometimes abbreviated as “IGF-1”) is a peptide hormone with a molecular weight of about 7500 that has a structure and action very similar to insulin. Yes (Ref. 2 (Goodman Gilman pharmacology book [bottom] Acupuncture Basics and Clinical 10th Edition; Chapter 61 Pharmacology of Insulin, Oral Hypoglycemic Drugs and Pancreatic Endocrinology 2003, p2144) Akiike Akiike, Tokyo Yodogawa Shoten))). IGF-1 actively maintains the cells in a healthy state by promoting cell differentiation and helping cell proliferation (Ref. 3 (Conn3K 外 J, 6 others, The Journal, Of Biological Chemistry (J. Biol. Chem.) 1996, Vol.271, No.46, p.28853-28860), Reference 4 (Braham C) and four others, Dermatology ), 2002, Vol. 20, No. 4, p.325-329)), which is known to prevent the progression of aging (8 references from Roubenoff R, The American Journal of Medicine (Am. J. Med.), 2003, 115, 6, p.501-502)).
 IGF-1は成長ホルモン分泌刺激によって主に肝臓で生成されることが知られているポリペプチドであり、血中ではIGF結合タンパクと結合し高分子複合体として存在している。IGF-1の代謝、IGF-1の受容体への親和性は、このIGF結合タンパクによって調節されており、IGF結合タンパクの発現は成長ホルモンによって制御されることが知られている。最近では、全身に分布している知覚神経に存在するバニロイド受容体の活性化によって、カルシトニン遺伝子ペプチド(以下、「CGRP」と略すことがある)が放出され、種々の臓器の幼若細胞からのIGF-1産生を促すことが報告されている。(文献6(岡嶋研二ら、「マイクロバブル・ナノバブルの最新技術」, pp.131-149,(2007)))。 IGF-1 is a polypeptide that is known to be produced mainly in the liver by stimulation of growth hormone secretion, and exists in the blood as a polymer complex by binding to an IGF-binding protein. It is known that the metabolism of IGF-1 and the affinity of IGF-1 for the receptor are regulated by this IGF binding protein, and the expression of the IGF binding protein is controlled by growth hormone. Recently, calcitonin gene peptide (hereinafter sometimes abbreviated as “CGRP”) is released by the activation of vanilloid receptor present in sensory nerves distributed throughout the body, and it is released from immature cells of various organs. It has been reported to promote IGF-1 production. (Reference 6 (Kenji Okajima et al., “The latest technology of microbubbles and nanobubbles”, pp. 131-149, (2007)).
 実験的にはリコンビナントIGF-1の投与によってインスリン抵抗性が改善されることが報告されている(文献7(Acerini CL. et al. Randomised placebo-controlled trial of human recombinant insulin-like growth factor I plus intensive insulin therapy in adolescents with insulin-dependent diabetes mellitus. Lancet 350, 1199-204 (1997)))。臨床の現場ではリコンビナント成長ホルモンを投与し、その結果としてIGF-1を上昇させる治療法が普及している。しかしながら、リコンビナント成長ホルモンには、関節痛、過敏症、肝機能障害、皮膚の硬化、甲状腺ホルモンの低下、および頭痛などの副作用が生じることが知られており、また、その投与方法は皮下注射など侵襲を伴う方法に限られるため、治療費用が非常に高価となる。 Experimentally, it has been reported that administration of recombinant IGF-1 improves insulin resistance (Reference 7 (Acerini CL. Et al. Randomised placebo-controlled trial of human recombinant insulin-like growth factor I plus intensive insulin therapy in adolescents with insulin-dependent diabetes mellitus. Lancet 350, 1199-204 (1997)). In clinical practice, treatments that administer recombinant growth hormone and, as a result, increase IGF-1 are becoming widespread. However, recombinant growth hormone is known to cause side effects such as joint pain, hypersensitivity, liver dysfunction, skin sclerosis, decreased thyroid hormone, and headache, and its administration method includes subcutaneous injection Because it is limited to methods involving invasion, treatment costs are very expensive.
 リコンビナント成長ホルモン以外では、非選択性β遮断薬であるカルベジロールを静脈内投与することでIGF-1の分泌が促進されることが報告されている(文献8(Okajima K, et al. J. Pharmacol Exp. Ther. 2004; 309: 684-691))。しかしながら、本薬品も侵襲を伴う方法により投与されなければならないので、その治療費用は安くはないことに加え、日常的に気軽に摂取し難かった。 In addition to recombinant growth hormone, it has been reported that IGF-1 secretion is promoted by intravenous administration of carvedilol, a non-selective β-blocker (Reference 8 (Okajima K, et al. J. Pharmacol). Exp. Ther. 2004; 309: 684-691)). However, since this drug must also be administered by an invasive method, its treatment cost is not low and it is difficult to take it casually.
 そこで、より安全かつ安価にIGF-1の分泌を促進する手段として、食品成分に注目が集まっている。これまで唐辛子に含まれるカプサイシンが、IGF-1の分泌促進に有効であることが報告されている(特開2006-151971号公報、および文献9(Okajima K. et al Effect of capsaicin on plasma and tissue levels of insulin-like growth factor-I in spontaneously hypertensive rats.Growth Horm IGF Res. 18、75-81(2008)))。しかしながら、カプサイシンは唐辛子の辛味成分であるため、食品成分においては、その添加量は少なくならざるを得なかった。 Therefore, food ingredients are attracting attention as a means to promote IGF-1 secretion more safely and inexpensively. So far, capsaicin contained in chili has been reported to be effective in promoting the secretion of IGF-1 (Japanese Patent Application Laid-Open No. 2006-151971 and Reference 9 (Okajima K. et al Effect of capsaicin on plasma and tissue levels of insulin-like growth factor-I in spontaneously hypertensive rats.Growth Horm IGF Res. 18, 75-81 (2008)). However, since capsaicin is a pungent component of chili pepper, the amount of the food component must be reduced.
発明の概要Summary of the Invention
 本発明者らは今般、ポリフェノールを含有する食品を摂取したマウスにおいて、血中および種々の臓器中のIGF-1が顕著に増加することを見出した。また、ポリフェノールを含有する食品を摂取したマウスにおいて、記憶や認知力が高まることを見出した。
 さらに、本発明者らは、IGF-1産生機序についてさらに検討を進めたところ、カプサイシンと同様に、プロシアニジン類が、バニロイド受容体を備えるマウス脊髄後根神経節細胞(以下、「DRG」と略すことがある)を刺激し、カルシトニン遺伝子関連ペプチド(CGRP)の放出を促進することを見出した。
 本発明はこれら知見に基づくものである。
The present inventors have now found that IGF-1 in blood and various organs is markedly increased in mice fed with foods containing polyphenols. Moreover, it discovered that memory and cognitive ability increased in mice ingesting foods containing polyphenols.
Furthermore, the present inventors further investigated the mechanism of IGF-1 production. As with capsaicin, the procyanidins were isolated from mouse spinal dorsal root ganglion cells (hereinafter referred to as “DRG”) having vanilloid receptors. Have been found to stimulate the release of calcitonin gene-related peptide (CGRP).
The present invention is based on these findings.
 よって本発明は、安全で日常的に摂取しやすいIGF-1分泌促進剤、およびそれを含む飲食品を提供することを目的とする。また本発明の他の目的は、IGF-1分泌を促進する方法、および、IGF-1分泌促進作用を有する飲食品を製造するためのポリフェノールの使用の提供にある。 Therefore, an object of the present invention is to provide an IGF-1 secretion promoter that is safe and easy to take on a daily basis, and a food and drink containing the same. Another object of the present invention is to provide a method for promoting IGF-1 secretion and the use of polyphenols for producing a food or drink having an IGF-1 secretion promoting action.
 本発明によるインスリン様成長因子-1分泌促進剤は、ポリフェノールを有効成分として含んでなることを特徴とする。 The insulin-like growth factor-1 secretion promoter according to the present invention comprises polyphenol as an active ingredient.
 本発明による飲食品は、本発明によるインスリン様成長因子-1分泌促進剤を含んでなる。好ましくはここで、プロシアニジン類の含有量は0.01~20重量%である。 The food or drink according to the present invention comprises the insulin-like growth factor-1 secretion promoter according to the present invention. Here, the procyanidins content is preferably 0.01 to 20% by weight.
 本発明の別の態様によれば、ポリフェノールの有効量を、哺乳動物に摂取させることを含んでなる、哺乳動物の血中または臓器中におけるインスリン様成長因子-1分泌を促進する方法が提供される。好ましくは、ここで、ポリフェノールの摂取を経口摂取により行う。より好ましくは、ここで、ポリフェノールの摂取を、ポリフェノールを含有する飲食品を摂取することにより行う。 According to another aspect of the present invention, there is provided a method of promoting insulin-like growth factor-1 secretion in the blood or organ of a mammal comprising ingesting the mammal with an effective amount of polyphenol. The Preferably, here, the polyphenol is ingested by oral ingestion. More preferably, here, the ingestion of the polyphenol is performed by ingesting a food or drink containing the polyphenol.
 本発明のさらに別の態様によれば、インスリン様成長因子-1分泌促進剤を製造するための、ポリフェノールの使用が提供される。あるいは、本発明のさらに別の態様によれば、インスリン様成長因子-1分泌促進作用を有する飲食品を製造するための、ポリフェノールの使用が提供される。 According to still another aspect of the present invention, there is provided use of polyphenols for producing an insulin-like growth factor-1 secretion promoter. Alternatively, according to still another aspect of the present invention, there is provided use of a polyphenol for producing a food or drink having an insulin-like growth factor-1 secretion promoting action.
 本発明の一つの好ましい態様において、本発明において使用されるポリフェノールはプロシアニジン類である。 In one preferred embodiment of the present invention, the polyphenol used in the present invention is procyanidins.
 本発明の一つのより好ましい態様において、プロシアニジン類は、カカオ、ぶどう、リンゴ、松の樹皮のうちのいずれか1種または2種以上に由来するものである。 In one more preferred embodiment of the present invention, procyanidins are derived from any one or more of cacao, grape, apple, and pine bark.
 本発明の一つのさらに好ましい態様において、プロシアニジン類は、プロシアニジンB2、プロシアニジンB5、プロシアニジンC1、シンナムタンニンA2から選択される1種または2種以上である。 In one more preferred embodiment of the present invention, the procyanidins are one or more selected from procyanidin B2, procyanidin B5, procyanidin C1, and cinnamtannin A2.
 本発明によるIGF-1分泌促進剤およびそれを含む飲食品は、血中および臓器においてIGF-1の分泌を促進することができる。また、本発明によるIGF-1分泌促進剤およびそれを含む飲食品は、記憶や認知力を高めることができる。さらに、本発明によるIGF-1分泌促進剤は、カプサイシンと同様に、バニロイド受容体を備えるマウス脊髄後根神経節細胞(DRG)を刺激しカルシトニン遺伝子関連ペプチドの放出を促進することができる。 The IGF-1 secretion promoter according to the present invention and foods and drinks containing the same can promote IGF-1 secretion in blood and organs. Further, the IGF-1 secretion promoter according to the present invention and food and drink containing the same can enhance memory and cognitive ability. Furthermore, the IGF-1 secretion promoter according to the present invention can stimulate the release of calcitonin gene-related peptide by stimulating mouse dorsal root ganglion cells (DRG) having vanilloid receptors, similar to capsaicin.
 本発明によるIGF-1分泌促進剤における有効成分は、天然の植物由来とすることができるから、安全性に優れ、長期に摂取しても副作用がほとんどない。したがって、本発明のIGF-1分泌促進剤およびそれを含む飲食品は、日常的にかつ継続的に摂取しうるものとして非常に有用である。 The active ingredient in the IGF-1 secretion promoter according to the present invention can be derived from natural plants, so it is excellent in safety and has almost no side effects even when ingested for a long time. Therefore, the IGF-1 secretion promoter of the present invention and food and drink containing the same are very useful as those that can be taken on a daily basis and continuously.
 このように本発明によれば、血中および臓器においてIGF-1の分泌を促進することができ、これによって、体内におけるIGF-1を増加させることができる。IGF-1の増加は、例えば、皮膚中でのコラーゲン、エラスチンおよびヒアルロン酸を増加させ、皮膚の弾力性や皮膚の張り、肌の潤いを維持することが可能となる。また、IGF-1の増加は、皮膚の弾力性を回復し、しわを伸ばし、たるみを改善し得る。さらにIGF-1の増加は、線維芽細胞の分化、増殖および/または機能を促進するので、例えば外傷や手術後の創傷治癒を早め得る。またIGF-1の増加により、毛母、毛乳頭等毛根部の細胞が活性化され、育毛や発毛効果が期待できる。さらにIGF-1の増加により、骨密度増加、血圧低下効果、およびアルツハイマー病の発症遅延効果が得られ得る。 Thus, according to the present invention, IGF-1 secretion can be promoted in the blood and organs, whereby IGF-1 in the body can be increased. An increase in IGF-1 increases collagen, elastin and hyaluronic acid in the skin, for example, and it is possible to maintain skin elasticity, skin tension, and skin moisture. Also, an increase in IGF-1 can restore skin elasticity, stretch wrinkles and improve sagging. Furthermore, an increase in IGF-1 may promote fibroblast differentiation, proliferation and / or function and thus, for example, can accelerate wound healing after trauma or surgery. In addition, the increase in IGF-1 activates cells in the hair root such as the hair matrix and hair papilla, which can be expected to produce hair growth and hair growth. Furthermore, an increase in IGF-1 can provide an increase in bone density, a blood pressure lowering effect, and an onset delaying effect of Alzheimer's disease.
実施例2のCLPrをHPLCを用いて分析したクロマトグラムである。It is the chromatogram which analyzed CLPr of Example 2 using HPLC. プロシアニジン類のCGRP放出効果測定結果を示す図である。It is a figure which shows the CGRP release | release effect measurement result of procyanidins. カカオポリフェノール摂取の、臓器および血液中のIGF-1濃度に対する影響を表すグラフである。It is a graph showing the influence of cocoa polyphenol intake on IGF-1 concentration in organs and blood. カカオポリフェノール摂取の空間認知機能への影響を表すグラフである。図において、上のグラフが野生型C57BL/6マウスの場合(Wild-typeと標記)を示し、下のグラフがCGRPの放出能を欠損したCGRPノックアウト(-/-)マウスの場合(CGRPKOと標記)を示す。It is a graph showing the influence on the spatial cognitive function of cocoa polyphenol intake. In the figure, the upper graph shows the case of wild type C57BL / 6 mice (labeled Wild-type), and the lower graph shows the case of CGRP knockout (− / −) mice lacking CGRP release ability (labeled CGRPKO). ).
発明の具体的説明Detailed description of the invention
有効成分
 ポリフェノール
 本発明において「ポリフェノール」とは、ベンゼン環に2つ以上のヒドロキシル基がついている構造を示す化合物をいう。ポリフェノールは、シンプルフェノール類、フラボノイド類、加水分解型タンニン類、縮合型タンニン類(プロアントシアニジン類)に分けられる。シンプルフェノール類の具体例としては、ジヒドロキシル酸、ヒドロキシルカフェ酸誘導体類等が挙げられる。フラボノイド類の具体例としては、フラボン類、フラボノール類、イソフラボン類、フラバン類、フラバノール(カテキン)類、フラバノン類、フラバノノール類、カルコン類、アントシアニジン類等が挙げられる。また、カテキン類の具体例としては、カテキン、エピカテキンなどが挙げられる。加水分解型タンニン類はシンプルフェノールの重合物であり、縮合型タンニン類(プロアントシアニジン類)はフラボノイド類の重合物である。
Active Component Polyphenol In the present invention, “polyphenol” refers to a compound having a structure in which two or more hydroxyl groups are attached to a benzene ring. Polyphenols are classified into simple phenols, flavonoids, hydrolyzed tannins, and condensed tannins (proanthocyanidins). Specific examples of simple phenols include dihydroxyl acid and hydroxylcaffeic acid derivatives. Specific examples of flavonoids include flavones, flavonols, isoflavones, flavans, flavanols (catechins), flavanones, flavonols, chalcones, anthocyanidins and the like. Specific examples of catechins include catechin and epicatechin. Hydrolyzed tannins are simple phenol polymers, and condensed tannins (proanthocyanidins) are flavonoid polymers.
 本発明の好ましい態様において、ポリフェノールは、カカオポリフェノール、ぶどうポリフェノール、リンゴポリフェノール、松の樹皮ポリフェノールである。 In a preferred embodiment of the present invention, the polyphenol is cacao polyphenol, grape polyphenol, apple polyphenol, or pine bark polyphenol.
 本発明のより好ましい態様において、ポリフェノールはカカオポリフェノールであり、より好ましくはポリフェノールはプロシアニジン類である。 In a more preferred embodiment of the present invention, the polyphenol is cocoa polyphenol, more preferably the polyphenol is procyanidins.
 本発明において使用するポリフェノールは、その入手方法や調製方法については特に限定はされない。例えば、該ポリフェノールは、ポリフェノールを含有する植物体から溶媒抽出等によって抽出し、さらに必要に応じてイオン交換樹脂等を使用して純度を高めることによって得ることができる。 The polyphenol used in the present invention is not particularly limited with respect to its obtaining method and preparation method. For example, the polyphenol can be obtained by extracting from a plant body containing polyphenol by solvent extraction or the like, and further increasing the purity using an ion exchange resin or the like as necessary.
 プロシアニジン類
 本発明において「プロシアニジン類」とは、例えば、下記の式(1)~(9)(式中、n=0~1)で示される、フラボノイド類の基本骨格が重合した構造を持つ物質であり、4位→6位、4位→8位、2位→5位および4位→6位の2箇所、2位→7位および4位→8位の2箇所で結合する構造が認められている。
Procyanidins In the present invention, “procyanidins” means, for example, substances having a structure in which the basic skeletons of flavonoids are represented by the following formulas (1) to (9) (where n = 0 to 1) It is recognized that the structure is bonded at two positions, 4th → 6th, 4th → 8th, 2nd → 5th and 4th → 6th, 2nd → 7th and 4th → 8th. It has been.
 プロシアニジン類は、カカオ以外にも、ぶどう種子・皮、リンゴ、松の樹皮などに含まれる。したがって、本発明の好ましい態様によれば、プロシアニジン類は、カカオ、ぶどう、リンゴ、松の樹皮のうちのいずれか1種または2種以上に由来するものであることができる。 Procyanidins are contained not only in cacao but also in grape seeds / skins, apples, and pine bark. Therefore, according to a preferred embodiment of the present invention, the procyanidins can be derived from any one or more of cacao, grape, apple, and pine bark.
 本発明におけるプロシアニジン類の代表例としては、プロシアニジンB2(下記式(1)の化合物)、プロシアニジンB5(下記式(2)の化合物)、プロシアニジンC1(下記式(3)の化合物)、シンナムタンニンA2(下記式(4)の化合物)が挙げられる。これらは、本発明におけるプロシアニジン類の好ましい例であることができる。 Representative examples of procyanidins in the present invention include procyanidin B2 (compound of the following formula (1)), procyanidin B5 (compound of the following formula (2)), procyanidin C1 (compound of the following formula (3)), cinnamtannin. A2 (compound of the following formula (4)) is exemplified. These can be preferred examples of procyanidins in the present invention.
 ・プロシアニジンB2:
Figure JPOXMLDOC01-appb-C000001
Procyanidin B2:
Figure JPOXMLDOC01-appb-C000001
 ・プロシアニジンB5:
Figure JPOXMLDOC01-appb-C000002
Procyanidin B5:
Figure JPOXMLDOC01-appb-C000002
 ・プロシアニジンC1:
Figure JPOXMLDOC01-appb-C000003
Procyanidin C1:
Figure JPOXMLDOC01-appb-C000003
 ・シンナムタンニンA2:
Figure JPOXMLDOC01-appb-C000004
Cinnamtannin A2:
Figure JPOXMLDOC01-appb-C000004
 ・他のプロシアニジン類:
Figure JPOXMLDOC01-appb-C000005
Other procyanidins:
Figure JPOXMLDOC01-appb-C000005
Figure JPOXMLDOC01-appb-C000006
Figure JPOXMLDOC01-appb-C000006
Figure JPOXMLDOC01-appb-C000007
Figure JPOXMLDOC01-appb-C000007
Figure JPOXMLDOC01-appb-C000008
Figure JPOXMLDOC01-appb-C000008
Figure JPOXMLDOC01-appb-C000009
Figure JPOXMLDOC01-appb-C000009
用途
 前記したように、本発明によるIGF-1分泌促進剤は、ポリフェノールを有効成分として含んでなるものである。
 本発明者等は後述する実施例に示したように、ポリフェノール類の例としてカカオポリフェノールを分析したところ、ここにプロシアニジン類が含まれていることを確認して、単離している(実施例1~3)。そしてプロシアニジン類がカルシトニン遺伝子関連ペプチド(CGRP)の放出を促進する作用を有していることを確認している(試験例1)。またポリフェノールが、血中および臓器中でのIGF-1の分泌を促進する作用があることを確認している(試験例2)。さらにインビボにおいてマウスを用いたポリフェノール摂取試験を行った結果、CGRP放出能欠損マウスに比べて、正常マウスは、空間認知機能が向上した(試験例3)。
Applications As described above, the IGF-1 secretion promoter according to the present invention comprises polyphenol as an active ingredient.
The present inventors analyzed cacao polyphenol as an example of polyphenols, as shown in the examples described later, and confirmed that procyanidins were contained therein (Example 1). ~ 3). It has been confirmed that procyanidins have an action of promoting the release of calcitonin gene-related peptide (CGRP) (Test Example 1). Moreover, it has been confirmed that polyphenol has an action of promoting secretion of IGF-1 in blood and organs (Test Example 2). Furthermore, as a result of a polyphenol intake test using mice in vivo, spatial cognitive function improved in normal mice compared to mice lacking CGRP release ability (Test Example 3).
 よって、本発明のIGF-1分泌促進剤によれば、血中および臓器においてIGF-1の分泌を促進することができ、体内におけるIGF-1を増加させることができる。 Therefore, according to the IGF-1 secretion promoter of the present invention, IGF-1 secretion can be promoted in blood and organs, and IGF-1 in the body can be increased.
 また、本発明のIGF-1分泌促進剤は、記憶や認知力を高めることができる。よって、本発明によれば、本発明によるIGF-1分泌促進剤を含む、記憶および認知力の向上用組成物が提供され得る。 In addition, the IGF-1 secretion promoter of the present invention can enhance memory and cognitive ability. Therefore, according to the present invention, a composition for improving memory and cognitive ability comprising the IGF-1 secretion promoter according to the present invention can be provided.
 さらに、本発明のIGF-1分泌促進剤は、バニロイド受容体を備えるマウス脊髄後根神経節細胞(DRG)を刺激し、カルシトニン遺伝子関連ペプチドの放出を促進することができる。 Furthermore, the IGF-1 secretion promoter of the present invention can stimulate mouse dorsal root ganglion cells (DRG) having vanilloid receptors and promote the release of calcitonin gene-related peptide.
 IGF-1は、皮膚中の線維芽細胞を活性化し、該細胞の分化、増殖および/または機能を促進することが報告されている(Br J Dermatol 2006, 154, pp. 401-410)。線維芽細胞は、コラーゲン、エラスチンおよびヒアルロン酸等の体内の間質物質の産生を促進する。コラーゲンは結合組織を構成する主要タンパク質で、皮膚のコラーゲンは、皮膚の質感または弾力等の皮膚の形状形成に関与している。エラスチンはコラーゲンと同様に皮膚の結合組織に存在する繊維状のタンパク質で、コラーゲン繊維を束ね、バネのように支えて、皮膚の弾力性とハリを保つ機能を有する。ヒアルロン酸はグリコサミノグルカンの一種で、哺乳動物の結合組織に多量に分布し、肌に潤いを与え、クッションの役割を担っている。
 このため、本発明のIGF-1分泌促進剤によれば、皮膚中のIGF-1を増加させ、終局的には皮膚中でのコラーゲン、エラスチンおよびヒアルロン酸を増加させ得るので、皮膚の弾力性や皮膚の張り、肌の潤いを維持することができるといえる。よって、本発明によれば、本発明によるIGF-1分泌促進剤を含む、皮膚の弾力性や皮膚の張り、肌の潤いを維持できる、皮膚ケア用組成物が提供され得る。
IGF-1 has been reported to activate fibroblasts in the skin and promote the differentiation, proliferation and / or function of the cells (Br J Dermatol 2006, 154, pp. 401-410). Fibroblasts promote the production of interstitial substances in the body such as collagen, elastin and hyaluronic acid. Collagen is a major protein constituting connective tissue, and skin collagen is involved in skin shape formation such as skin texture or elasticity. Elastin is a fibrous protein that exists in the connective tissue of the skin like collagen, and has the function of bundling collagen fibers and supporting them like a spring to keep the skin elastic and firm. Hyaluronic acid is a type of glycosaminoglucan that is distributed in large amounts in the connective tissue of mammals, moisturizes the skin, and plays a role of cushion.
Therefore, according to the IGF-1 secretion promoter of the present invention, it is possible to increase IGF-1 in the skin, and eventually increase collagen, elastin and hyaluronic acid in the skin. It can be said that it can maintain skin tension and moisture. Therefore, according to the present invention, it is possible to provide a skin care composition that can maintain skin elasticity, skin tension, and skin moisture, including the IGF-1 secretion promoter according to the present invention.
 また、本発明のIGF-1分泌促進剤が、弾力性の低下した皮膚またはしわやたるみのある皮膚に適用されると、適用部位で、IGF-1の分泌が促進されるので、該部位の皮膚の弾力性が回復し、しわが伸び、たるみが改善されうる。よって、本発明によれば、本発明によるIGF-1分泌促進剤を含む、皮膚の弾力性を回復し、しわを伸し、たるみを改善できる、皮膚ケア組成物またはシワ防止用組成物が提供され得る。 In addition, when the IGF-1 secretion promoter of the present invention is applied to skin with reduced elasticity or skin with wrinkles or sagging, secretion of IGF-1 is promoted at the application site. Skin elasticity can be restored, wrinkles can be stretched, and sagging can be improved. Therefore, according to the present invention, there is provided a skin care composition or an anti-wrinkle composition comprising the IGF-1 secretion promoter according to the present invention, which can restore skin elasticity, stretch wrinkles and improve sagging. Can be done.
 本発明のIGF-1分泌促進剤は、皮膚中のIGF-1を増加させ、線維芽細胞の分化、増殖および/または機能を促進する。このため、例えば外傷や手術後の創傷治癒を早め得る。よって、本発明によれば、本発明によるIGF-1分泌促進剤を含む、創傷治癒用組成物が提供され得る。 The IGF-1 secretion promoter of the present invention increases IGF-1 in the skin and promotes differentiation, proliferation and / or function of fibroblasts. For this reason, for example, wound healing after trauma or surgery can be accelerated. Therefore, according to the present invention, a composition for wound healing comprising the IGF-1 secretion promoter according to the present invention can be provided.
 また、IGF-1は、毛母、毛乳頭等毛根部の細胞を活性化することから(Dermatol online J 1999; 5: 1)、本発明のIGF-1分泌促進剤は、育毛や発毛を目的に頭皮に適用し得る。すなわち、本発明によれば、本発明によるIGF-1分泌促進剤を含む、育毛もしくは発毛用組成物が提供され得る。 In addition, since IGF-1 activates cells of hair roots such as hair matrix and hair papilla (Dermatol online J 1999; 5: 1), the IGF-1 secretion promoter of the present invention is effective in hair growth and hair growth. Can be applied to the scalp for purposes. That is, according to the present invention, a hair growth or hair growth composition comprising the IGF-1 secretion promoter according to the present invention can be provided.
 高齢者などでは、骨組織内IGF-1量、血中IGF-1濃度、および作用が低下し、骨量も低下することが知られている(Lancet Volume 355, Issue 9207, 11 March 2000, Pages 898-899; 成長科学協会指定課題研究報告 平成18年度「成長ホルモンおよびIGF-1測定の標準化に関する研究」 島津章(国立病院機構京都医療センター臨床研究センターなど)。このため、本発明のIGF-1分泌促進剤は骨密度増加に寄与しうる。すなわち、本発明によれば、本発明によるIGF-1分泌促進剤を含む、骨密度増加用または骨密度の減少抑制用組成物が提供され得る。 It is known that in elderly people, the amount of IGF-1 in bone tissue, the concentration of IGF-1 in blood, and the action decrease, and the bone mass also decreases (LancetanceVolume 355, Issue 9207, 11 March 2000, Pages 898-899; Growth Science Association Designated Task Research Report 2006 “Study on Standardization of Growth Hormone and IGF-1 Measurement” Akira Shimazu (National Hospital Organization Kyoto Medical Center Clinical Research Center, etc.) Therefore, IGF- of the present invention In other words, according to the present invention, there can be provided a composition for increasing bone density or suppressing bone density decrease, comprising the IGF-1 secretion promoter according to the present invention. .
 IGF-1が作用すると血管が拡張し血圧低下の効果が得られることが報告されている(Clin Endocrinol 2005; 63: 470-476)。このため、本発明のIGF-1分泌促進剤によって血圧低下効果が得られるといえる。よって、本発明によれば、本発明によるIGF-1分泌促進剤を含む、血圧降下用組成物が提供され得る。 It has been reported that when IGF-1 acts, blood vessels are dilated and the effect of lowering blood pressure is obtained (Clin Endocrinol 2005; 63: 470-476). Therefore, it can be said that the blood pressure lowering effect can be obtained by the IGF-1 secretion promoter of the present invention. Therefore, according to the present invention, a composition for lowering blood pressure comprising the IGF-1 secretion promoter according to the present invention can be provided.
 IGF-1は、アルツハイマー病においてβアミロイド原線維を分解し解毒(無毒化)するHSF-1を調整することが報告されている(J Biol Chem 2007; 82: 10203-9)。このため、本発明のIGF-1分泌促進剤は、アルツハイマー病の発症を遅延させることができるといえる。よって、本発明によれば、本発明によるIGF-1分泌促進剤を含む、アルツハイマー病の発症遅延用組成物が提供され得る。 IGF-1 has been reported to regulate HSF-1 which degrades and detoxifies (detoxifies) β-amyloid fibrils in Alzheimer's disease (J Biol Chem 2007; 82: 10203-9). Therefore, it can be said that the IGF-1 secretion promoter of the present invention can delay the onset of Alzheimer's disease. Therefore, according to the present invention, a composition for delaying onset of Alzheimer's disease comprising the IGF-1 secretion promoter according to the present invention can be provided.
IGF-1分泌促進剤
 本発明によるIGF-1分泌促進剤は、ポリフェノールを有効成分として含んでなる。ここで「有効成分として含んでなる」とは、本発明による促進剤が、所望のIGF-1分泌促進効果を発揮するのに充分な量(すなわち、有効量)の有効成分を含有することをいう。したがって、本発明のIGF-1分泌促進剤におけるポリフェノールの濃度は、IGF-1の分泌が促進される濃度であれば特に制限されない。
IGF-1 secretion promoter The IGF-1 secretion promoter according to the present invention comprises polyphenol as an active ingredient. Here, “comprising as an active ingredient” means that the promoter according to the present invention contains an active ingredient in an amount sufficient to exhibit a desired IGF-1 secretion promoting effect (ie, an effective amount). Say. Therefore, the polyphenol concentration in the IGF-1 secretion promoter of the present invention is not particularly limited as long as it is a concentration that promotes the secretion of IGF-1.
 よって、ポリフェノール自体を、そのままIGF-1分泌促進剤として用いてもよいが、このような有効量で有効成分を含み、かつIGF-1分泌促進効果を損なわない限りにおいて、本発明による促進剤は、所望する製品形態に応じた生理学的に許容されうる担体や、他の添加剤を含んでなることができる。このような担体、および添加剤としては、例えば、賦形剤、結合剤、崩壊剤、滑沢剤、コーティング剤、保存剤、安定剤、香料、緩衝剤、増粘剤、着色剤、乳化剤、分散剤、懸濁化剤、防腐剤等が挙げられる。本発明のIGF-1分泌促進剤は、経口または非経口投与のいずれかの投与経路で、ヒトやヒト以外の動物に投与または摂取させ、IGF-1の分泌を促進することができる。
 経口投与する場合には、例えば、乳糖、結晶セルロース、デンプン、リン酸カルシウム等の賦形剤;例えば、デンプン、カルメロースナトリウム、ヒドロキシプロピルセルロース等の結合剤;例えば、カルメロースカルシウム、炭酸カルシウム等の崩壊剤;例えば、ステアリン酸マグネシウム、タルク等の滑沢剤;コーティング剤、保存剤、安定剤などを用いることにより、錠剤、カプセル剤、顆粒剤、シロップ剤、ドライシロップ剤、散剤、丸剤、細粒剤、トローチ錠、乳濁剤や、または常法によるシロップを含む各種液剤、ドリンク剤等の形態に処方できる。そして、これらの各種製剤は、長時間にわたって作用が持続する徐放性製剤とすることもできる。
Therefore, polyphenol itself may be used as it is as an IGF-1 secretion promoter, but as long as it contains an active ingredient in such an effective amount and does not impair the IGF-1 secretion promotion effect, It may comprise a physiologically acceptable carrier and other additives depending on the desired product form. Examples of such carriers and additives include excipients, binders, disintegrants, lubricants, coating agents, preservatives, stabilizers, perfumes, buffers, thickeners, colorants, emulsifiers, A dispersing agent, a suspending agent, a preservative, etc. are mentioned. The IGF-1 secretion promoter of the present invention can be administered or ingested to humans or animals other than humans by any of the oral and parenteral administration routes to promote IGF-1 secretion.
For oral administration, for example, excipients such as lactose, crystalline cellulose, starch, calcium phosphate; binders such as starch, carmellose sodium, hydroxypropyl cellulose; disintegration, such as carmellose calcium, calcium carbonate, etc. Agents: For example, lubricants such as magnesium stearate and talc; tablets, capsules, granules, syrups, dry syrups, powders, pills, fine granules by using coating agents, preservatives, stabilizers, etc. It can be formulated in the form of various liquids, drinks, etc., including pills, troches, emulsions, or conventional syrups. These various preparations can be made into sustained-release preparations whose action is sustained for a long time.
 非経口投与用の形態としては、例えば、注貼付剤、軟膏、クリーム剤、ローション剤、更にシャンプー、リンス、ボディーソープ、石鹸、洗顔料、整髪料、乳液、パック、入浴剤などの形態が挙げられる。これらは、当該技術分野で通常行われている手法により、必要に応じて担体や添加剤と共に、製剤化もしくは製品化することができる。 Examples of forms for parenteral administration include, for example, poultices, ointments, creams, lotions, shampoos, rinses, body soaps, soaps, facial cleansers, hair conditioners, emulsions, packs, bath preparations, and the like. It is done. These can be formulated or commercialized, together with carriers and additives as necessary, by techniques commonly used in the art.
 本発明において、所望のIGF-1分泌促進効果を得るためには、本発明による有効成分を、有効成分であるポリフェノール量換算で、成人一人の体重1kg当たり、1日に0.5~300mg投与もしくは摂取することが望ましく、好ましくは、投与量もしくは摂取量は2~200mgであり、より好ましくは5~100mgである。本発明においては、この量の有効成分を1日1回ないし数回に分けて、促進剤そのままの形態で、または、医薬、飲食品等の所望の形態とした上で、投与もしくは摂取すればよい。 In the present invention, in order to obtain a desired IGF-1 secretion promoting effect, the active ingredient according to the present invention is administered in an amount of 0.5 to 300 mg per day per kg body weight of an adult in terms of the amount of polyphenol as an active ingredient. Alternatively, it is desirable to take, preferably the dose or intake is 2 to 200 mg, more preferably 5 to 100 mg. In the present invention, if this amount of the active ingredient is divided into once or several times a day, it can be administered or ingested in the form of the accelerator as it is or in the desired form of a medicine, food or drink, etc. Good.
 本発明によるIGF-1分泌促進剤は、それ単独でも使用することができるが、医薬、飲食品などの種々の組成物に添加剤として含有させることができ、IGF-1分泌促進効果を有する組成物を得ることができる。 The IGF-1 secretion enhancer according to the present invention can be used alone, but can be contained as an additive in various compositions such as pharmaceuticals and foods and drinks, and has an effect of promoting IGF-1 secretion You can get things.
 本発明によるIGF-1分泌促進剤は、天然の植物由来とすることができるため、飲食品として用いることができる。よって本発明の別の態様によれば、本発明によるインスリン様成長因子-1分泌促進剤を含んでなる飲食品が提供される。 Since the IGF-1 secretion promoter according to the present invention can be derived from a natural plant, it can be used as a food or drink. Therefore, according to another aspect of the present invention, there is provided a food or drink comprising the insulin-like growth factor-1 secretion promoter according to the present invention.
 本発明において、「飲食品」は、医薬以外のものであって、哺乳動物が経口摂取可能な形態のものであれば特に制限はなく、その形態も液状物(溶液、懸濁液、乳濁液など)、半液体状物、粉末、または固体成形物のいずれのものであってもよい。このため飲食品は、例えば飲料の形態であってもよく、また、サプリメントのような栄養補助食品の錠剤形態であってもよい。 In the present invention, the “food or drink” is not a drug and is not particularly limited as long as it is in a form that can be taken orally by mammals, and the form is also a liquid (solution, suspension, emulsion). Liquid, etc.), semi-liquid, powder, or solid molded product. Therefore, the food and drink may be in the form of a beverage, for example, or may be in the form of a dietary supplement tablet such as a supplement.
 好ましくは、該飲食品は、インスリン様成長因子-1分泌促進剤の有効成分を有効量含んでなる。
 ここで、「有効成分を有効量含んでなる」とは、個々の飲食品を通常喫食される量摂取した結果、有効成分としての効果を発揮しうるような量で有効成分を含有することをいう。本発明による飲食品には、本発明による有効成分をそのまままたは上記のような促進剤の形態で、飲食品に配合してもよい。また、本発明による飲食品は、本発明による有効成分に安定剤等の慣用の添加成分を加えて飲食品として調製したもの、各種タンパク質、糖類、脂肪、微量元素、ビタミン類等を、それらにさらに配合して調製したもの、液状、半液体状若しくは固体状にしたもの、ペースト状にしたもの、または、一般の飲食品へ有効成分を添加したものであってもよい。
Preferably, the food or drink comprises an effective amount of an active ingredient of an insulin-like growth factor-1 secretion promoter.
Here, "comprising an effective amount of an active ingredient" means containing an active ingredient in such an amount that an effect as an active ingredient can be exhibited as a result of ingesting the amount of each food or drink normally consumed. Say. In the food and drink according to the present invention, the active ingredient according to the present invention may be blended in the food and drink as it is or in the form of an accelerator as described above. In addition, the food and drink according to the present invention are prepared as food and drink by adding conventional additives such as stabilizers to the active ingredient according to the present invention, various proteins, sugars, fats, trace elements, vitamins, etc. Further, it may be prepared by blending, liquid, semi-liquid or solid, paste, or a general food or drink with active ingredients added.
 本発明による飲食品としては、チョコレートやココアのようにカカオ豆を主原料とする飲食品はもちろんのこと、パン、ビスケット、麺類をはじめとする澱粉系食品、あるいはキャンデー、飲料、ヨーグルトなど広範な飲食品に用いることができる。使用態様としては各飲食品の特性、目的に応じ、適当な製造工程で適宜添加すればよく、例えば、チョコレート、キャンデー、パン、ココア飲料、クッキー等の飲食品には重量割合で約0.01%~20%添加するのが、これらの飲食品の味や物性を活かす上で好ましい。 As foods and drinks according to the present invention, not only foods and drinks mainly made of cocoa beans such as chocolate and cocoa, but also starch-based foods such as bread, biscuits and noodles, or a wide range of foods such as candy, drinks and yogurt It can be used for food and drink. As a usage mode, it may be appropriately added in an appropriate production process according to the characteristics and purpose of each food and drink. For example, food and drink such as chocolate, candy, bread, cocoa drink, and cookies are about 0.01 by weight. It is preferable to add from 20% to 20% in order to make use of the taste and physical properties of these foods and drinks.
 本発明において「飲食品」には、健康食品、機能性食品、特定保健用食品、栄養補助食品、疾病リスク低減表示が付された食品、疾病リスク低減しうる食品、または、病者用食品のような分類のものも包含される。さらに「飲食品」という用語は、ヒト以外の哺乳動物を対象として使用される場合には、飼料を含む意味でここで用いてもよい。ここでいう特定保健用食品とは、体内におけるIGF-1を増加させること等を目的として食品の製造または販売等を行う場合に、保健上の観点から、各国(例えば我が国)において法上の何らかの制限を受けることがある食品をいう。このような食品は、食品が疾病リスクを低減する可能性があること表示した食品、すなわち、疾病リスク低減表示を付した食品であることもできる。ここで、疾病リスク低減表示とは、疾病リスクを低減する可能性のある食品の表示であって、FAO/WHO合同食品規格委員会(コーデックス委員会)の定める規格に基づいて、またはその規格を参考にして、定められた表示または認められた表示であることができる。 In the present invention, “food and drink” includes health foods, functional foods, foods for specified health use, dietary supplements, foods with a disease risk reduction label, foods that can reduce disease risk, or foods for sick people. Such classifications are also included. Furthermore, the term “food or drink” may be used herein to include feed when used for mammals other than humans. The food for specified health here refers to any legal requirement in each country (for example, Japan) from the viewpoint of health when manufacturing or selling food for the purpose of increasing IGF-1 in the body. Food that may be restricted. Such foods can also be foods that indicate that the foods may reduce disease risk, i.e., foods with a disease risk reduction label. Here, the disease risk reduction label is a label for foods that may reduce the disease risk, and is based on or based on the standard established by the FAO / WHO Joint Food Standards Committee (Codex Committee). The display can be a defined or recognized display with reference to FIG.
 本発明の飲食品においては、前記有効成分に加えて、他の機能を有する成分をさらに添加してもよい。また例えば、日常生活で摂取する食品、健康食品、機能性食品、サプリメント(例えば、カルシウム、マグネシウム等のミネラル類、ビタミンK等のビタミン類を1種以上含有する食品)に本発明の有効成分を配合することにより、本発明による効果に加えて、他の成分に基づく機能を併せ持つ飲食品を提供することができる。 In the food / beverage products of the present invention, in addition to the active ingredients, ingredients having other functions may be further added. Further, for example, the active ingredient of the present invention is added to foods, health foods, functional foods and supplements (for example, foods containing one or more vitamins such as minerals such as calcium and magnesium and vitamin K) consumed in daily life. By mix | blending, in addition to the effect by this invention, the food / beverage products which have the function based on another component can be provided.
 なお本明細書において、「約」および「程度」を用いた値の表現は、その値を設定することによる目的を達成する上で、当業者であれば許容することができる値の変動を含む意味である。 In this specification, the expression of a value using “about” and “degree” includes a variation in a value that can be allowed by those skilled in the art to achieve the purpose by setting the value. Meaning.
 以下の例に基づいて本発明を具体的に説明するが、本発明はこれらの例に限定されるものではない。 The present invention will be specifically described based on the following examples, but the present invention is not limited to these examples.
測定法法
 ・ポリフェノール総量の定量方法
 ポリフェノール総量は、プルシアンブルー法により測定した。具体的には、Martin L. Price and Larry G. Butler, J. Agric Food Chem., Vol. 25 No.6, 1268-1273,1977に記載の方法に従い、市販のエピカテキンを標準物質として算出した値を用いた。
Measurement method / Quantification method of total amount of polyphenol The total amount of polyphenol was measured by the Prussian blue method. Specifically, according to the method described in Martin L. Price and Larry G. Butler, J. Agric Food Chem., Vol. 25 No. 6, 1268-1273, 1977, commercially available epicatechin was calculated as a standard substance. Values were used.
 ・ポリフェノールの個別成分の定量方法
 ポリフェノールにおける個別成分の定量は、下記条件の逆相HPLCを行なうことによって求めた。
 (逆相HPLC条件)
 ・分離用カラム: Deverosil ODS HG-5(野村化学株式会社製、φ4.6mm×250mm、粒子径5μm)
 ・溶離液: 下記の2液によるグラジェント:
      A)0.1%トリフルオロ酢酸水溶液と、
      B)0.1%トリフルオロ酢酸アセトニトリル溶液
 ・グラジェント条件: 0分:A90%、5分:A90%、35分:A75%、40分:A0%、45分:A0%(溶離液の組成変化はリニアグラジェント)。
 ・溶離液の流速: 0.8ml/min
 ・検出: UV280nm
 ・標準物質: エピカテキン
-Method for quantifying individual components of polyphenol The amount of individual components in polyphenol was determined by performing reverse phase HPLC under the following conditions.
(Reverse phase HPLC conditions)
Separation column: Deverosil ODS HG-5 (Nomura Chemical Co., Ltd., φ4.6 mm × 250 mm, particle size 5 μm)
・ Eluent: Gradient with the following two solutions:
A) 0.1% aqueous trifluoroacetic acid solution;
B) 0.1% trifluoroacetic acid acetonitrile solution Gradient conditions: 0 min: A90%, 5 min: A90%, 35 min: A75%, 40 min: A0%, 45 min: A0% (eluent composition) Change is linear gradient).
・ Eluent flow rate: 0.8ml / min
・ Detection: UV280nm
Reference material: Epicatechin
実施例1
 ココアパウダーHPA12(明治製菓株式会社製、油分12重量%)250Kgを、50%エタノール水溶液1250Kgに、攪拌しながらゆっくりと添加した。温度を50℃にまで上げ30分間引き続き攪拌して抽出を行った。デカンターで分離後、さらに3000Gで遠心分離を行い、エキスとスラッジに分離した。
Example 1
250 kg of cocoa powder HPA12 (Meiji Seika Co., Ltd., oil content: 12% by weight) was slowly added to 1250 kg of 50% aqueous ethanol solution while stirring. The temperature was raised to 50 ° C. and the mixture was continuously stirred for 30 minutes for extraction. After separation with a decanter, the mixture was further centrifuged at 3000 G to separate into extract and sludge.
 エキスの収量は1003.6Kgであった。さらにエキスをウルトラフィルターHタイプ(ミウラ化学装置株式会社製)で精密ろ過し、清澄ろ過液982.8Kgを得た。続いて、エキスにデキストリン4.4Kgを加えてよく攪拌した後、エバポレーターで濃縮をおこない、一次濃縮液234Kgを得た。アルコールが若干残存していたため、水を240Kg加えて再度よく攪拌した後、再度エバポレーターで濃縮した。濃縮液は235.4Kgであった。
 この濃縮液を加熱殺菌処理後、スプレードライを行い、粉末39.2kgを得た。得られた粉末を、以下カカオポリフェノール濃縮粉末と呼ぶ。
The yield of the extract was 1003.6 kg. Furthermore, the extract was microfiltered with an Ultrafilter H type (manufactured by Miura Chemical Equipment Co., Ltd.) to obtain a clarified filtrate 982.8 kg. Subsequently, 4.4 kg of dextrin was added to the extract and stirred well, followed by concentration with an evaporator to obtain 234 kg of a primary concentrated solution. Since alcohol remained a little, 240 kg of water was added and stirred again, and then concentrated again with an evaporator. The concentrated liquid was 235.4 kg.
This concentrated solution was heat sterilized and then spray-dried to obtain 39.2 kg of powder. The obtained powder is hereinafter referred to as cacao polyphenol concentrated powder.
 カカオポリフェノール濃縮粉末の分析結果は表1に示されるとおりであった。 The analysis results of the cacao polyphenol concentrated powder were as shown in Table 1.
Figure JPOXMLDOC01-appb-T000010
Figure JPOXMLDOC01-appb-T000010
実施例2
 ココアパウダーHPA12(明治製菓株式会社製、油分12重量%)1.0kgにn-ヘキサン5Lを加え、脱脂した。脱脂カカオ775gに70%アセトン6Lを加え抽出した。次にエバポレーターで抽出液中のアセトンを除いた。続いて抽出液に9倍量の水飽和ブタノールを加え攪拌した後、静置しブタノール層を回収し濃縮した。
 濃縮液を合成吸着剤(ダイヤオン(商標) HP2MG)(三菱化学株式会社製、15cm×内径10cm)に吸着させた。吸着後、15%エタノール溶出で不要成分を除き、次いで80%エタノール水溶液で溶出し、その80%エタノール画分を濃縮してカカオプロシアニジン画分(CLPr)を得た。
 このサンプルを、前記方法に従って分析した結果、プロシアニジンB2(3.9%)、プロシアニジンB5(1.3%)、プロシアニジンC1(2.6%)、シンナムタンニンA2(3.2%)が含まれていた。
Example 2
5 kg of n-hexane was added to 1.0 kg of cocoa powder HPA12 (manufactured by Meiji Seika Co., Ltd., oil content: 12% by weight) and degreased. Extraction was performed by adding 6 L of 70% acetone to 775 g of defatted cocoa. Next, acetone was removed from the extract with an evaporator. Subsequently, 9 times the amount of water-saturated butanol was added to the extract and stirred, and then allowed to stand to collect and concentrate the butanol layer.
The concentrated solution was adsorbed on a synthetic adsorbent (Diaon ™ HP2MG) (Mitsubishi Chemical Corporation, 15 cm × inner diameter 10 cm). After adsorption, unnecessary components were removed by elution with 15% ethanol, followed by elution with an 80% aqueous ethanol solution. The 80% ethanol fraction was concentrated to obtain a cocoa procyanidin fraction (CLPr).
This sample was analyzed according to the above method, and as a result, procyanidin B2 (3.9%), procyanidin B5 (1.3%), procyanidin C1 (2.6%), and cinnamtannin A2 (3.2%) were contained. It was.
実施例3
(成分の精製・単離)
 実施例2で得られたカカオプロシアニジン画分(CLPr)284mgを、メタノール2.84mlに溶解し、LC-Siカラム(Supelcosil、25cm×φ20mm、粒子径5μm)(スペルコ社製)で分離した。
 溶離液は、A)n-ヘキサン:メタノール:酢酸エチル=8:3:1と、B)n-ヘキサン:メタノール:酢酸エチル=2:3:1の2液のグラジェントで溶出した。グラジェント条件は、0分A100%、20分A100%、50分A0%であった(溶離液の組成変化はリニアグラジェント)。溶離液の流速は20ml/min、検出は、UV280nmで行った。
Example 3
(Purification / isolation of components)
284 mg of the kakaoprocyanidin fraction (CLPr) obtained in Example 2 was dissolved in 2.84 ml of methanol and separated with an LC-Si column (Supelcosil, 25 cm × φ20 mm, particle size 5 μm) (manufactured by Spelco).
The eluent was eluted with a two-component gradient of A) n-hexane: methanol: ethyl acetate = 8: 3: 1 and B) n-hexane: methanol: ethyl acetate = 2: 3: 1. The gradient conditions were 0 min A100%, 20 min A100%, 50 min A0% (eluent composition change was linear gradient). The flow rate of the eluent was 20 ml / min, and detection was performed at UV 280 nm.
 結果は、図1に示される通りであった。 The result was as shown in FIG.
 図1に示すようにプロシアニジン類が分子量毎に溶出され、それぞれピーク2から23.1mg、ピーク3から23.3mg、ピーク4から24.3mgのIGF-1分泌促進剤が得られた。
 ピーク2から得られたIGF-1分泌促進剤23.1mgを50%メタノール2.31mlに溶解して、次の条件で、プロシアニジンB2ならびにプロシアニジンB5の精製・単離を行った。
As shown in FIG. 1, procyanidins were eluted for each molecular weight, and peak 2 to 23.1 mg, peak 3 to 23.3 mg, and peak 4 to 24.3 mg of IGF-1 secretion promoters were obtained, respectively.
Procyanidin B2 and procyanidin B5 were purified and isolated under the following conditions by dissolving 23.1 mg of the IGF-1 secretion promoter obtained from Peak 2 in 2.31 ml of 50% methanol.
 (精製・単離の条件)
 ・分離用カラム: Deverosil ODS HG-5(野村化学株式会社製、φ4.6mm×250mm、粒子径5μm)
 ・溶離液: 下記の2液によるグラジェント:
      A)0.1%トリフルオロ酢酸水溶液と、
      B)0.1%トリフルオロ酢酸アセトニトリル溶液
 ・グラジェント条件: 0分:A90%、5分:A90%、35分:A75%、40分:A0%、45分:A0%(溶離液の組成変化はリニアグラジェント)。
 ・溶離液の流速: 0.8ml/min
 ・検出: UV280nm
 ・標準物質: エピカテキン
(Purification / isolation conditions)
Separation column: Deverosil ODS HG-5 (Nomura Chemical Co., Ltd., φ4.6 mm × 250 mm, particle size 5 μm)
・ Eluent: Gradient with the following two solutions:
A) 0.1% aqueous trifluoroacetic acid solution;
B) 0.1% trifluoroacetic acid acetonitrile solution Gradient conditions: 0 min: A90%, 5 min: A90%, 35 min: A75%, 40 min: A0%, 45 min: A0% (eluent composition) Change is linear gradient).
・ Eluent flow rate: 0.8ml / min
・ Detection: UV280nm
Reference material: Epicatechin
 同様にして、ピーク3から得られたIGF-1分泌促進剤からプロシアニジンC1を、ピーク4から得られたIGF-1分泌促進剤からシンナムタンニンA2を、それぞれ精製・単離した。 Similarly, procyanidin C1 was purified and isolated from the IGF-1 secretion promoter obtained from peak 3 and cinnamtannin A2 was purified and isolated from the IGF-1 secretion promoter obtained from peak 4.
実施例4: 製造例(チョコレート)
 以下の配合のミルクチョコレートを定法に従って製造した。本チョコレートは50gあたりプロシアニジン類を112.9mg含むミルクチョコレートであった。
Example 4: Production example (chocolate)
A milk chocolate having the following composition was produced according to a conventional method. This chocolate was milk chocolate containing 112.9 mg of procyanidins per 50 g.
Figure JPOXMLDOC01-appb-T000011
Figure JPOXMLDOC01-appb-T000011
実施例5: 製造例(錠菓)
 以下の配合の錠菓を定法に従って製造した。本品は20gあたりプロシアニジン類を27.7mg含む錠菓であった。
Example 5: Production example (tablets)
A tablet confection having the following composition was produced according to a conventional method. This product was a tablet confection containing 27.7 mg of procyanidins per 20 g.
Figure JPOXMLDOC01-appb-T000012
Figure JPOXMLDOC01-appb-T000012
実施例6: 製造例(ゼリードリンク)
 以下の配合のゼリードリンクを定法に従って製造した。本品は100gあたりプロシアニジン類を42.6mg含むゼリードリンクであった。
Example 6: Production example (Zeledolink)
A jelly drink having the following composition was produced according to a conventional method. This product was a jelly drink containing 42.6 mg of procyanidins per 100 g.
Figure JPOXMLDOC01-appb-T000013
Figure JPOXMLDOC01-appb-T000013
実施例7: 製造例(チューイングガム)
 以下の配合のチューイングガムを定法に従って製造した。本品は10gあたりプロシアニジン類を14.9mg含むチューイングガムであった。
Example 7: Production example (chewing gum)
A chewing gum having the following composition was produced according to a conventional method. This product was a chewing gum containing 14.9 mg of procyanidins per 10 g.
Figure JPOXMLDOC01-appb-T000014
Figure JPOXMLDOC01-appb-T000014
実施例8: 製造例(飲料)
 以下の配合の飲料を定法に従って製造した。本品は100gあたりプロシアニジン類を12.8mg含む飲料であった。
Example 8: Production example (beverage)
A beverage having the following composition was produced according to a conventional method. This product was a beverage containing 12.8 mg of procyanidins per 100 g.
Figure JPOXMLDOC01-appb-T000015
Figure JPOXMLDOC01-appb-T000015
実施例9: 製造例(ハードキャンデー)
 以下の配合のハードキャンデーを定法に従って製造した。本品は20gあたりプロシアニジン類を12.8mg含むハードキャンデーであった。
Example 9: Production example (hard candy)
A hard candy having the following composition was produced according to a conventional method. This product was a hard candy containing 12.8 mg of procyanidins per 20 g.
Figure JPOXMLDOC01-appb-T000016
Figure JPOXMLDOC01-appb-T000016
実施例10: 製造例(調整ココア)
 以下の配合の調整ココアを定法に従って製造した。本品は30gあたりプロシアニジン類を32.0mg含む調整ココアであった。
Example 10: Production example (adjusted cocoa)
Adjusted cocoa having the following composition was produced according to a conventional method. This product was adjusted cocoa containing 32.0 mg of procyanidins per 30 g.
Figure JPOXMLDOC01-appb-T000017
Figure JPOXMLDOC01-appb-T000017
評価試験
試験例1: プロシアニジン類によるCGRP放出作用の確認
 6~8週齢のC57BL/6マウス(雄)(日本クレア株式会社より入手可)からマウス脊髄後根神経節細胞(DRG)を採取し、以下の条件で7日間培養した。
Evaluation test
Test Example 1: Confirmation of CGRP releasing action by procyanidins Mouse dorsal root ganglion cells (DRG) were collected from 6 to 8 week old C57BL / 6 mice (male) (available from CLEA Japan). For 7 days.
(培養条件)
 ・培養液: 下記成分を含有するD-MEM/F12培養液(インビトロジェン株式会社製)
   <培養液の成分組成>
    10% ウシ胎児血清
    10 U/ml ペニシリン
    0.1 mg/ml ストレプトマイシン
    0.25 μg/ml アンフォテリシンB
    10 ng/ml 神経成長因子(シグマ社製)
 ・培養環境: 37℃のCO2インキュベーター内で培養した。
(Culture conditions)
Culture medium: D-MEM / F12 culture medium containing the following components (Invitrogen Corporation)
<Composition composition of culture solution>
10% fetal bovine serum 10 U / ml penicillin 0.1 mg / ml streptomycin 0.25 μg / ml amphotericin B
10 ng / ml nerve growth factor (manufactured by Sigma)
Culture environment: Cultivation was performed in a 37 ° C. CO 2 incubator.
(作用確認方法)
 培養上清中に、実施例3によって得られたプロシアニジンB2(procyanidin B2)、プロシアニジンB5(procyanidin B5)、プロシアニジンC1(procyanidin C1)、およびシンナムタンニンA2(cinnamtannin A2)を、それぞれ1または10μM加えて、30分後に培養上清を採取し、それに含まれるカルシトニン遺伝子関連ペプチド(CGRP)濃度を測定した。これによって、CGRP放出に対する効果を検討した。
 CGRP濃度は、ELISAキット(SPI-BIO, Massey Cedex, France)を用いて測定した。陽性コントロールとして、カプサイシン(capsaicin)を用いた。
(Operation confirmation method)
1 or 10 μM of procyanidin B2 (procyanidin B2), procyanidin B5 (procyanidin B5), procyanidin C1 (procyanidin C1) and cinnamtannin A2 (cinnamtannin A2) obtained in Example 3 were added to the culture supernatant, respectively. After 30 minutes, the culture supernatant was collected, and the calcitonin gene-related peptide (CGRP) concentration contained therein was measured. This examined the effect on CGRP release.
CGRP concentration was measured using an ELISA kit (SPI-BIO, Massey Cedex, France). As a positive control, capsaicin was used.
 結果は、図2に示される通りであった。 The result was as shown in FIG.
 結果から、プロシアニジンB2、プロシアニジンB5、プロシアニジンC1、シンナムタンニンA2をそれぞれ添加したいずれのケースにおいても、CGRP放出が見られた。中でもシンナムタンニンA2は、陽性コントロールであるカプサイシンと同等の結果が得られた。 From the results, CGRP release was observed in any case where procyanidin B2, procyanidin B5, procyanidin C1, and cinnamtannin A2 were added. Among them, cinnamtannin A2 gave the same results as capsaicin, which was a positive control.
試験例2: カカオポリフェノールのIGF-1分泌作用の確認
 カカオポリフェノール(実施例2のCLPr)0.5%含有粉餌(組成は下記のとおり)をマウスに4週間投与して、全身の臓器を採取した。得られた臓器を、1Nの酢酸溶液につけてホモジネートし、遠心分離後上清中のIGF-1濃度をenzyme immunoassay(EIA) kit(Diagnostic Systems Laboratories Inc., Webster, TX)を用いて測定した。
 また、腹部大動脈から採血し血漿中のIGF-1濃度も測定した。
Test Example 2: Confirmation of IGF-1 Secretion Action of Cocoa Polyphenol A powder containing 0.5% cocoa polyphenol (CLPr of Example 2) (the composition is as follows) was administered to mice for 4 weeks to Collected. The obtained organ was homogenized with a 1N acetic acid solution, and after centrifugation, the IGF-1 concentration in the supernatant was measured using an enzyme immunoassay (EIA) kit (Diagnostic Systems Laboratories Inc., Webster, TX).
In addition, blood was collected from the abdominal aorta and the IGF-1 concentration in plasma was also measured.
 結果は図3に示される通りであった。
 結果に示されるように、0.5%カカオポリフェノール含有粉餌の投与によって、各臓器および血液中のIGF-1濃度が増加した。
The result was as shown in FIG.
As shown in the results, administration of a powder containing 0.5% cocoa polyphenol increased the IGF-1 concentration in each organ and blood.
 <0.5%カカオポリフェノール含有粉餌配合>
 粉餌(CLEA Rod ent Diet CE-2;日本クレア株式会社製) 99.5重量%
 カカオポリフェノール(実施例2のCLPr)          0.5重量%
<0.5% cacao polyphenol-containing powder bait>
Powdered bait (CLEA Rod ent Diet CE-2; manufactured by CLEA Japan) 99.5% by weight
Cocoa polyphenol (CLPr of Example 2) 0.5% by weight
試験例3: カカオポリフェノール摂取の空間認知機能への影響
 試験例2と同様にして0.5%カカオポリフェノール含有粉餌を投与したマウスを用いて、モーリス水迷路試験を行った。
 具体的には、直径120cmのプールに、直径10cm、高さ11cmの透明なアクリル板のプラットホームを設置し、その1cm上まで水を満たし、プラットホームを隠した。1日1回、固定したスタート地点からプラットホームに到着するまでの時間を計測し、これを5日間繰り返した。比較としてCGRPの放出能を欠損したマウス(Neuropharmacology; Haradaら、52(2007) 1303-1311の方法に従って作成)を用いた場合も実施した。
Test Example 3: Influence of cocoa polyphenol intake on spatial cognitive function In the same manner as in Test Example 2, a Morris water maze test was performed using mice administered with a 0.5% cocoa polyphenol-containing meal.
Specifically, a transparent acrylic plate platform having a diameter of 10 cm and a height of 11 cm was installed in a pool having a diameter of 120 cm, and water was filled up to 1 cm above to hide the platform. Once a day, the time from arrival at a fixed start point to arrival at the platform was measured, and this was repeated for 5 days. For comparison, the experiment was carried out using mice lacking CGRP release ability (produced according to the method of Neuropharmacology; Harada et al., 52 (2007) 1303-1311).
 結果は図4に示される通りであった。 The result was as shown in FIG.
 0.5%カカオポリフェノール含有粉餌をマウスに投与することによって、スタート地点からプラットホームに到着するまでの所要時間は有意に減少した。一方、CGRP放出能欠損マウスの実験では0.5%カカオポリフェノール含有粉餌の投与による効果はみられなかった。このことから、0.5%カカオポリフェノール含有粉餌の投与による効果は、CGRPを介する作用であることが確認された。 The administration time of 0.5% cacao polyphenol-containing powder to mice significantly reduced the time required to reach the platform from the starting point. On the other hand, in the experiment of CGRP-releasing ability-deficient mice, there was no effect due to administration of a powder containing 0.5% cacao polyphenol. From this, it was confirmed that the effect by administration of the 0.5% cacao polyphenol-containing meal is an action via CGRP.

Claims (17)

  1.  ポリフェノールを有効成分として含んでなることを特徴とする、インスリン様成長因子-1分泌促進剤。 An insulin-like growth factor-1 secretion promoter characterized by comprising polyphenol as an active ingredient.
  2.  ポリフェノールがプロシアニジン類である、請求項1に記載のインスリン様成長因子-1分泌促進剤。 The insulin-like growth factor-1 secretion promoter according to claim 1, wherein the polyphenol is procyanidins.
  3.  プロシアニジン類が、カカオ、ぶどう、リンゴ、松の樹皮のうちのいずれか1種または2種以上に由来する、請求項2に記載のインスリン様成長因子-1分泌促進剤。 The insulin-like growth factor-1 secretion promoter according to claim 2, wherein the procyanidins are derived from one or more of cacao, grape, apple, and pine bark.
  4.  プロシアニジン類が、プロシアニジンB2、プロシアニジンB5、プロシアニジンC1、シンナムタンニンA2から選択される1種または2種以上である、請求項2または3に記載のインスリン様成長因子-1分泌促進剤。 4. The insulin-like growth factor-1 secretion promoter according to claim 2 or 3, wherein the procyanidins are one or more selected from procyanidin B2, procyanidin B5, procyanidin C1, and cinnamtannin A2.
  5.  請求項1~4のいずれか一項に記載のインスリン様成長因子-1分泌促進剤を含んでなる、飲食品。 A food or drink comprising the insulin-like growth factor-1 secretion promoter according to any one of claims 1 to 4.
  6.  プロシアニジン類の含有量が0.01~20重量%である、請求項5に記載の飲食品。 The food or drink according to claim 5, wherein the content of procyanidins is 0.01 to 20% by weight.
  7.  ポリフェノールの有効量を、哺乳動物に摂取させることを含んでなる、哺乳動物の血中または臓器中におけるインスリン様成長因子-1分泌を促進する方法。 A method of promoting insulin-like growth factor-1 secretion in the blood or organ of a mammal, comprising ingesting the mammal with an effective amount of polyphenol.
  8.  ポリフェノールの摂取を経口摂取により行う、請求項7に記載の方法。 The method according to claim 7, wherein the polyphenol is ingested by oral ingestion.
  9.  ポリフェノールの摂取を、ポリフェノールを含有する飲食品を摂取することにより行う、請求項8に記載の方法。 The method according to claim 8, wherein the ingestion of the polyphenol is performed by ingesting a food or drink containing the polyphenol.
  10.  ポリフェノールがプロシアニジン類である、請求項7~9のいずれか一項に記載の方法。 The method according to any one of claims 7 to 9, wherein the polyphenol is a procyanidins.
  11.  プロシアニジン類が、カカオ、ぶどう、リンゴ、松の樹皮のうちのいずれか1種または2種以上に由来する、請求項10に記載の方法。 The method according to claim 10, wherein the procyanidins are derived from one or more of cacao, grape, apple, and pine bark.
  12.  プロシアニジン類が、プロシアニジンB2、プロシアニジンB5、プロシアニジンC1、シンナムタンニンA2から選択される1種または2種以上である、請求項10または11に記載の方法。 The method according to claim 10 or 11, wherein the procyanidins are one or more selected from procyanidin B2, procyanidin B5, procyanidin C1, and cinnamtannin A2.
  13.  インスリン様成長因子-1分泌促進剤を製造するための、ポリフェノールの使用。 Use of polyphenols to produce insulin-like growth factor-1 secretion promoter.
  14.  インスリン様成長因子-1分泌促進作用を有する飲食品を製造するための、ポリフェノールの使用。 Use of polyphenols for the production of food and drink having insulin-like growth factor-1 secretion promoting action.
  15.  ポリフェノールがプロシアニジン類である、請求項13または14に記載の使用。 15. Use according to claim 13 or 14, wherein the polyphenol is a procyanidins.
  16.  プロシアニジン類が、カカオ、ぶどう、リンゴ、松の樹皮のうちのいずれか1種または2種以上に由来する、請求項15に記載の使用。 The use according to claim 15, wherein the procyanidins are derived from one or more of cacao, grape, apple and pine bark.
  17.  プロシアニジン類が、プロシアニジンB2、プロシアニジンB5、プロシアニジンC1、シンナムタンニンA2から選択される1種または2種以上である、請求項15または16に記載の使用。 The use according to claim 15 or 16, wherein the procyanidins are one or more selected from procyanidin B2, procyanidin B5, procyanidin C1, and cinnamtannin A2.
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