JP5969738B2 - Anti-glycation agent - Google Patents

Anti-glycation agent Download PDF

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JP5969738B2
JP5969738B2 JP2011161524A JP2011161524A JP5969738B2 JP 5969738 B2 JP5969738 B2 JP 5969738B2 JP 2011161524 A JP2011161524 A JP 2011161524A JP 2011161524 A JP2011161524 A JP 2011161524A JP 5969738 B2 JP5969738 B2 JP 5969738B2
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信明 大戸
信明 大戸
弘恭 岩橋
弘恭 岩橋
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Maruzen Pharmaceutical Co Ltd
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本発明は、抗糖化作用剤に関するものである。   The present invention relates to an anti-glycation agent.

糖質は、ヒトを初めとする生物においてエネルギー源として非常に重要である。しかし一方で、糖質はタンパク質と糖化反応(グリケーション)を起こすことが知られている。糖化反応は、糖質のカルボニル基とタンパク質等のアミノ基との非酵素的な反応を第一段階とし、シッフ塩基からアマドリ化合物を経て最終的に最終糖化生成物(以下、「AGEs」ということがある。)を形成する一連の反応である。糖化反応により、タンパク質が非酵素的に糖により修飾されるため、これにより当該タンパク質の変性やタンパク質間の架橋等が起こり、その結果タンパク質の機能を低下させる。   Carbohydrates are very important as energy sources in living organisms including humans. However, carbohydrates are known to cause glycation reactions with proteins. In the saccharification reaction, the first stage is a non-enzymatic reaction between a carbonyl group of a carbohydrate and an amino group such as a protein, and finally a final glycation product (hereinafter referred to as “AGEs”) from a Schiff base through an Amadori compound. Is a series of reactions to form. Due to the saccharification reaction, the protein is modified non-enzymatically by sugar, and as a result, denaturation of the protein, cross-linking between proteins, and the like occur, resulting in a decrease in protein function.

糖化反応は、コラーゲン等の細胞外マトリックス構成タンパク質を修飾・構造変化させることにより直接的な障害を引き起こすほか、糖化タンパク質をリガンドとする受容体により認識されることで細胞応答を引き起こす等の影響をもたらす。特に、血液中のグルコース濃度が高い糖尿病の患者にとって、糖化反応の影響は深刻である。糖尿病性神経障害、糖尿病性網膜症、糖尿病性腎症等の糖尿病合併症は、タンパク質の糖化がその一因であることが知られている。また、血管壁における糖化反応は、内皮細胞の障害や変性タンパク質の蓄積などにより、動脈硬化の進展をもたらすことが知られている。   The glycation reaction not only causes direct damage by modifying and changing the structure of extracellular matrix constituent proteins such as collagen, but also affects cellular responses by being recognized by receptors with glycated proteins as ligands. Bring. In particular, the effect of the saccharification reaction is serious for diabetic patients whose glucose concentration in the blood is high. It is known that protein glycation contributes to diabetic complications such as diabetic neuropathy, diabetic retinopathy, and diabetic nephropathy. In addition, it is known that the glycation reaction in the blood vessel wall leads to the progression of arteriosclerosis due to the damage of endothelial cells and the accumulation of denatured proteins.

さらに、コラーゲンを初めとする細胞外マトリックス成分は、骨や皮膚などの組織における乾燥重量の過半を占めている。そのため、例えば、コラーゲンが糖化され異常に架橋された状態となると、骨や軟骨組織においては骨粗鬆症や変形性関節症等を発症し、皮膚においては弾力性の低下、黄色化等によるくすみ等を生じる。さらに、異常に架橋したコラーゲン等はコラゲナーゼ等による分解を受けにくくなるため、コラゲナーゼ等の発現が誘導され、正常なコラーゲンまで分解されてしまうなどの問題が生じてしまう。   Further, extracellular matrix components such as collagen occupy a majority of the dry weight in tissues such as bone and skin. Therefore, for example, when collagen is glycated and abnormally crosslinked, osteoporosis, osteoarthritis, etc. occur in bone and cartilage tissue, and elasticity in skin, dullness due to yellowing, etc. occur. . Furthermore, since abnormally cross-linked collagen or the like is less susceptible to degradation by collagenase or the like, the expression of collagenase or the like is induced, causing problems such as degradation to normal collagen.

このため、糖化反応を何らかの形で抑制する、すなわちAGEsの形成を抑制したり、またAGEsの分解を促進したりすることができれば、上述した疾患、すなわち糖尿病合併症、動脈硬化、骨粗鬆症、変形性関節症などの予防又は治療に有用であると期待される。さらには、皮膚の弾力性低下やくすみ等の予防又は改善にも効果があるものと期待される。   Therefore, if the glycation reaction can be suppressed in some way, that is, the formation of AGEs can be suppressed, or the degradation of AGEs can be promoted, the above-mentioned diseases, that is, diabetic complications, arteriosclerosis, osteoporosis, deformability It is expected to be useful for the prevention or treatment of arthropathy. Furthermore, it is expected to be effective in preventing or improving skin elasticity and dullness.

従来、抗糖化作用を有する化合物として、N−フェナシルチアゾリウムブロミドが知られている(非特許文献1)。しかし、この化合物は安全性に問題があり、医薬品や皮膚外用剤として適していない。また、抗糖化作用を有する天然物由来の成分として、例えば、ヨモギからの抽出物が知られている(特許文献1)。しかし、抗糖化作用を有する物質の提供は十分とは言い難く、さらなる新しい抗糖化作用物質の開発及び提供が強く求められている。   Conventionally, N-phenacyl thiazolium bromide is known as a compound having an anti-glycation action (Non-patent Document 1). However, this compound has a safety problem and is not suitable as a pharmaceutical or a topical skin preparation. Moreover, as an ingredient derived from a natural product having an anti-glycation action, for example, an extract from mugwort is known (Patent Document 1). However, it is difficult to provide a substance having an anti-glycation action, and there is a strong demand for the development and provision of further new anti-glycation action substances.

なお、従来、キンモクセイからの抽出物及びアクテオシドは、マトリックスメタロプロテアーゼ−1阻害作用やサイクリックAMPホスホジエステラーゼ阻害作用等を有し、皮膚の老化症状及び肥満症の予防・改善に有用であることが知られているが(特許文献2参照)、キンモクセイからの抽出物又はアクテオシドが抗糖化作用を有することは知られていなかった。   Conventionally, the extracts and acteosides from Buttercups have a matrix metalloproteinase-1 inhibitory action, a cyclic AMP phosphodiesterase inhibitory action, etc., and are known to be useful for the prevention and improvement of skin aging symptoms and obesity. However, it has not been known that an extract or acteoside from Buttercups has an anti-glycation effect (see Patent Document 2).

特開2001−122758号公報JP 2001-122758 A 特開2009−67749号公報JP 2009-67749 A

Vasan S. et al.,Nature,1996年7月18日,Vol. 82,No. 6588,p.275-278Vasan S. et al., Nature, July 18, 1996, Vol. 82, No. 6588, p.275-278

本発明は、安全性の高い天然物の中から抗糖化作用を有するものを見出し、それを有効成分とする抗糖化作用剤を提供することを目的とする。   It is an object of the present invention to provide an anti-glycation agent having an anti-glycation action among highly safe natural products and using it as an active ingredient.

上記課題を解決するために、本発明の抗糖化作用剤は、キンモクセイからの抽出物及び/又はアクテオシド(Acteoside)を有効成分として含有することを特徴とする。前記キンモクセイからの抽出物及び/又は前記アクテオシド(Acteoside)は、最終糖化生成物(AGEs)の形成抑制作用及び/又は分解促進作用を有することが好ましい。   In order to solve the above-mentioned problems, the anti-glycation agent of the present invention is characterized by containing an extract from cinnamon and / or acteoside as an active ingredient. It is preferable that the extract from the cinnamon moss and / or the acteoside has an action of suppressing the formation of final glycation products (AGEs) and / or an action of promoting degradation.

本発明によれば、優れた抗糖化作用を有し、かつ安全性の高い抗糖化作用剤を提供することができる。   According to the present invention, it is possible to provide an anti-glycation agent having an excellent anti-glycation effect and high safety.

以下、本発明の実施の形態について説明する。
本実施形態の抗糖化作用剤は、キンモクセイからの抽出物及び/又はアクテオシド(Acteoside)を有効成分として含有するものである。
Embodiments of the present invention will be described below.
The anti-glycation agent of the present embodiment contains an extract from Buttercup and / or Acteoside as an active ingredient.

ここで、本実施形態において「キンモクセイからの抽出物」には、キンモクセイを抽出原料として得られる抽出液、当該抽出液の希釈液若しくは濃縮液、当該抽出液を乾燥して得られる乾燥物、又はこれらの粗精製物若しくは精製物のいずれもが含まれる。   Here, in the present embodiment, the “extract from Snapper” is an extract obtained using Snapper as an extraction material, a diluted or concentrated solution of the extract, a dried product obtained by drying the extract, or Any of these crudely purified products or purified products is included.

また、アクテオシド(Acteoside)は、下記式(I)で表される化学構造を有するポリフェノールである。   Acteoside is a polyphenol having a chemical structure represented by the following formula (I).

Figure 0005969738
Figure 0005969738

アクテオシドは、アクテオシドを含有する植物抽出物から単離・精製することにより製造することができる。このようなアクテオシドを含有する植物抽出物は、植物の抽出に一般に用いられている方法によって得ることができる。アクテオシドを含有する植物としては、例えば、キンモクセイ(学名:Osmanthus fragrans var. aurantiacus)等が挙げられる。   Acteoside can be produced by isolation and purification from a plant extract containing acteoside. Such a plant extract containing acteoside can be obtained by a method generally used for plant extraction. Examples of the plant containing acteoside include, for example, ummingei (scientific name: Osmanthus fragrans var. Aurantiacus).

キンモクセイ(Osmanthus fragrans var. aurantiacus)は、モクセイ科モクセイ属に属する常緑小高木であり、別名、桂花とも呼ばれ、中国南部が原産地であり、このような地域から容易に入手することができる。抽出原料として使用し得るキンモクセイの構成部位としては、例えば、葉部、枝部、樹皮部、幹部、茎部、果実部、花部等の地上部、根部又はこれらの部位の混合物等が挙げられるが、好ましくは花部である。   Buttercup (Osmanthus fragrans var. Aurantiacus) is an evergreen small tree belonging to the genus Moxae, also known as Katsura, which is native to southern China and can be easily obtained from such areas. Examples of the constituent parts of the cypress that can be used as the raw material for extraction include the aerial parts such as leaves, branches, bark parts, trunk parts, stem parts, fruit parts, flower parts, root parts, or a mixture of these parts. However, it is preferably a flower part.

ここで、「花」とは、一般に、種子植物の有性生殖にかかわる器官の総体をいい、葉の変形である花葉と茎の変形である花軸とから構成され、花葉には、萼、花弁、雄しべ、心皮等の器官が含まれる。本発明において抽出原料として使用する「花部」には、種子植物の有性生殖にかかわる器官の総体の他、その一部、例えば、花葉、花被(萼と花冠)、花冠、花弁等も含まれる。   Here, the "flower" generally refers to the whole organ involved in sexual reproduction of a seed plant, and is composed of a flower leaf that is a leaf deformation and a flower axis that is a stem deformation. This includes organs such as pupae, petals, stamens, and heart skin. The “floral part” used as an extraction raw material in the present invention includes all of the organs involved in sexual reproduction of seed plants, as well as parts thereof, such as flower leaves, flower coats (buds and corolla), corolla, petals, etc. Is also included.

キンモクセイからの抽出物は、抽出原料を乾燥した後、そのまま又は粗砕機を用いて粉砕し、抽出溶媒による抽出に供することにより得ることができる。乾燥は天日で行ってもよいし、通常使用される乾燥機を用いて行ってもよい。また、ヘキサン等の非極性溶媒によって脱脂等の前処理を施してから抽出原料として使用してもよい。脱脂等の前処理を行うことにより、キンモクセイの極性溶媒による抽出処理を効率よく行うことができる。   The extract from cinnamon can be obtained by drying the raw material for extraction and then pulverizing the raw material as it is or using a crusher and subjecting it to extraction with an extraction solvent. Drying may be performed in the sun or using a commonly used dryer. Moreover, after performing pretreatment, such as degreasing, with a nonpolar solvent such as hexane, it may be used as an extraction raw material. By performing pretreatment such as degreasing, extraction treatment with a polar solvent of cinnabar can be performed efficiently.

抽出溶媒としては、極性溶媒を使用することが好ましく、例えば、水、親水性有機溶媒等が挙げられ、これらを単独で又は2種以上を組み合わせて、室温又は溶媒の沸点以下の温度で使用することが好ましい。   As the extraction solvent, it is preferable to use a polar solvent, and examples thereof include water and hydrophilic organic solvents. These are used alone or in combination of two or more at room temperature or a temperature below the boiling point of the solvent. It is preferable.

抽出溶媒として使用し得る水としては、純水、水道水、井戸水、鉱泉水、鉱水、温泉水、湧水、淡水等のほか、これらに各種処理を施したものが含まれる。水に施す処理としては、例えば、精製、加熱、殺菌、濾過、イオン交換、浸透圧調整、緩衝化等が含まれる。したがって、本実施形態において抽出溶媒として使用し得る水には、精製水、熱水、イオン交換水、生理食塩水、リン酸緩衝液、リン酸緩衝生理食塩水等も含まれる。   Examples of water that can be used as the extraction solvent include pure water, tap water, well water, mineral spring water, mineral water, hot spring water, spring water, fresh water, and the like, and those subjected to various treatments. Examples of the treatment applied to water include purification, heating, sterilization, filtration, ion exchange, osmotic pressure adjustment, buffering, and the like. Therefore, the water that can be used as the extraction solvent in this embodiment includes purified water, hot water, ion exchange water, physiological saline, phosphate buffer, phosphate buffered saline, and the like.

抽出溶媒として使用し得る親水性有機溶媒としては、メタノール、エタノール、プロピルアルコール、イソプロピルアルコール等の炭素数1〜5の低級脂肪族アルコール;アセトン、メチルエチルケトン等の低級脂肪族ケトン;1,3−ブチレングリコール、プロピレングリコール、グリセリン等の炭素数2〜5の多価アルコール等が挙げられる。   Examples of hydrophilic organic solvents that can be used as extraction solvents include lower aliphatic alcohols having 1 to 5 carbon atoms such as methanol, ethanol, propyl alcohol, and isopropyl alcohol; lower aliphatic ketones such as acetone and methyl ethyl ketone; 1,3-butylene. Examples thereof include polyhydric alcohols having 2 to 5 carbon atoms such as glycol, propylene glycol and glycerin.

2種以上の極性溶媒の混合液を抽出溶媒として使用する場合、その混合比は適宜調整することができる。例えば、水と低級脂肪族アルコールとの混合液を使用する場合には、水10容量部に対して低級脂肪族アルコール1〜90容量部を混合することが好ましく、水と低級脂肪族ケトンとの混合液を使用する場合には、水10容量部に対して低級脂肪族ケトン1〜40容量部を混合することが好ましく、水と多価アルコールとの混合液を使用する場合には、水10容量部に対して多価アルコール10〜90容量部を混合することが好ましい。   When using the liquid mixture of 2 or more types of polar solvents as an extraction solvent, the mixing ratio can be adjusted suitably. For example, when using a mixed solution of water and a lower aliphatic alcohol, it is preferable to mix 1 to 90 parts by volume of a lower aliphatic alcohol with respect to 10 parts by volume of water. When using a mixed solution, it is preferable to mix 1 to 40 parts by volume of a lower aliphatic ketone with 10 parts by volume of water, and when using a mixed solution of water and a polyhydric alcohol, water 10 It is preferable to mix 10 to 90 parts by volume of polyhydric alcohol with respect to the volume part.

抽出処理は、抽出原料に含まれる可溶性成分を抽出溶媒に溶出させ得る限り特に限定はされず、常法に従って行うことができる。例えば、抽出原料の5〜15倍量(質量比)の抽出溶媒に、抽出原料を浸漬し、常温又は還流加熱下で可溶性成分を抽出させた後、濾過して抽出残渣を除去することにより抽出液を得ることができる。得られた抽出液から溶媒を留去するとペースト状の濃縮物が得られ、この濃縮物をさらに乾燥すると乾燥物が得られる。   The extraction treatment is not particularly limited as long as the soluble component contained in the extraction raw material can be eluted in the extraction solvent, and can be performed according to a conventional method. For example, the extraction raw material is immersed in an extraction solvent 5 to 15 times (mass ratio) of the extraction raw material, the soluble components are extracted at room temperature or under reflux, and then filtered to remove the extraction residue. A liquid can be obtained. When the solvent is distilled off from the obtained extract, a paste-like concentrate is obtained, and when this concentrate is further dried, a dried product is obtained.

なお、上述のようにして得られた抽出液はそのままでも抗糖化作用剤の有効成分として使用することができるが、濃縮液又は乾燥物としたものの方が使用しやすい。   In addition, although the extract obtained as mentioned above can be used as an active ingredient of an anti-glycation agent as it is, a concentrated solution or a dried product is easier to use.

また、キンモクセイからの抽出物は特有の匂いを有しているため、その生理活性の低下を招かない範囲で脱色、脱臭等を目的とする精製を行うことも可能であるが、皮膚化粧料等に配合する場合には大量に使用するものではないから、未精製のままでも実用上支障はない。   In addition, since the extract from cinnamon moss has a unique odor, it can be purified for the purpose of decolorization, deodorization, etc. within a range that does not cause a decrease in its physiological activity. Since it is not used in a large amount when it is blended in, there is no practical problem even if it is not purified.

以上のようにして得られた抽出液、当該抽出液の濃縮物又は当該抽出液の乾燥物からアクテオシドを単離・精製する方法は、特に限定されるものではなく、常法により行うことができる。例えば、抽出物を展開溶媒に溶解し、シリカゲルやアルミナ等の多孔質物質、スチレン−ジビニルベンゼン共重合体やポリメタクリレート等の多孔性樹脂等を用いたカラムクロマトグラフィーに付して、アクテオシドを含む画分を回収する方法等が挙げられる。この場合、展開溶媒は使用する固定相に応じて適宜選択すればよいが、例えば固定相としてシリカゲルを用いた順相クロマトグラフィーにより抽出物を分離する場合、展開溶媒としてはクロロホルム/メタノール/水=10:5:1等が挙げられる。さらに、カラムクロマトグラフィーにより得られたアクテオシドを含む画分を、ODSを用いた逆相シリカゲルクロマトグラフィー、再結晶、液−液向流抽出、イオン交換樹脂を用いたカラムクロマトグラフィー等の任意の有機化合物精製手段を用いて精製してもよい。   The method for isolating and purifying acteoside from the extract obtained as described above, the concentrate of the extract or the dried product of the extract is not particularly limited, and can be performed by a conventional method. . For example, the extract is dissolved in a developing solvent, and subjected to column chromatography using a porous material such as silica gel or alumina, a porous resin such as a styrene-divinylbenzene copolymer or polymethacrylate, and the like. Examples include a method for collecting fractions. In this case, the developing solvent may be appropriately selected according to the stationary phase to be used. For example, when the extract is separated by normal phase chromatography using silica gel as the stationary phase, the developing solvent is chloroform / methanol / water = 10: 5: 1 etc. are mentioned. Further, the fraction containing acteoside obtained by column chromatography is subjected to any organic phase such as reverse phase silica gel chromatography using ODS, recrystallization, liquid-liquid countercurrent extraction, column chromatography using ion exchange resin, etc. You may refine | purify using a compound refinement | purification means.

以上のようにして得られるキンモクセイからの抽出物及びアクテオシドは、優れた抗糖化作用を有しているため、抗糖化作用剤の有効成分として用いることができる。本実施形態の抗糖化作用剤は、医薬品、医薬部外品、化粧品等の幅広い用途に使用することができる。ここで、アクテオシドは、キンモクセイからの抽出物と比較してより強い抗糖化作用を示すため、抗糖化作用剤の有効成分として特に好ましい。   Since the extract and acteoside obtained from the above-described beetle have an excellent anti-glycation effect, they can be used as an active ingredient of an anti-glycation agent. The anti-glycation agent of this embodiment can be used for a wide range of uses such as pharmaceuticals, quasi drugs, and cosmetics. Here, acteoside is particularly preferred as an active ingredient of an anti-glycation agent because it exhibits a stronger anti-glycation effect than an extract from cinnamon.

ここで、キンモクセイからの抽出物及びアクテオシドが有する抗糖化作用は、例えば、最終糖化生成物(AGEs)の形成抑制作用及び/又は分解促進作用に基づいて発揮される。ただし、キンモクセイからの抽出物又はアクテオシドが有する抗糖化作用は、上記作用に基づいて発揮される抗糖化作用に限定されるものではない。   Here, the anti-glycation action which the extract from Actinoside and acteoside has is exhibited based on, for example, the formation inhibition action and / or the decomposition promotion action of final glycation products (AGEs). However, the anti-glycation action which the extract or acteoside from Buttercups has is not limited to the anti-glycation action exhibited based on the said action.

また、キンモクセイからの抽出物又はアクテオシドは、これらが有するAGEsの形成抑制作用又は分解促進作用を利用して、それぞれAGEs形成抑制剤又はAGEs分解促進剤の有効成分として使用してもよい。さらに、キンモクセイからの抽出物又はアクテオシドは、AGEsの形成抑制作用又は分解促進作用を利用して、糖尿病性神経障害、糖尿病性網膜症、糖尿病性腎症等の糖尿病合併症;タンパク質の糖化反応に起因する動脈硬化;タンパク質の糖化反応に起因する骨粗鬆症や変形性関節症等の疾患の予防・治療剤の有効成分として使用してもよく、さらにはタンパク質の糖化反応に起因する皮膚の弾力性低下やくすみ等の予防・改善剤の有効成分として使用してもよい。   Moreover, you may use the extract or acteoside from a Snapper as an active ingredient of an AGEs formation inhibitor or an AGEs decomposition promoter, respectively, using the AGEs formation inhibitory action or the decomposition promotion action which they have. Furthermore, the extract or acteoside from the umbilical oak is used for diabetic complications such as diabetic neuropathy, diabetic retinopathy, and diabetic nephropathy; Caused by arteriosclerosis; may be used as an active ingredient in prophylactic / therapeutic agents for diseases such as osteoporosis and osteoarthritis caused by glycation reaction of protein, and further decrease in skin elasticity caused by glycation reaction of protein It may be used as an active ingredient of preventive / improving agents such as dullness.

なお、本実施形態においては、キンモクセイからの抽出物又はアクテオシドのうちのいずれか一つを上記有効成分として用いてもよいし、これらを混合して上記有効成分として用いてもよい。キンモクセイからの抽出物又はアクテオシドを混合して上記有効成分として用いる場合、その配合比は、キンモクセイからの抽出物又はアクテオシドが有する抗糖化作用の程度等により適宜調整すればよい。   In the present embodiment, any one of an extract from cinnamon or acteoside may be used as the active ingredient, or these may be mixed and used as the active ingredient. In the case of using an extract or acteoside from Buttercups as an active ingredient, the blending ratio may be appropriately adjusted depending on the degree of anti-glycation action of the extract or acteoside from Buttercups.

本実施形態の抗糖化作用剤は、キンモクセイからの抽出物、アクテオシド又はこれらの混合物のみからなるものでもよいし、キンモクセイからの抽出物、アクテオシド又はこれらの混合物を製剤化したものでもよい。   The anti-glycation agent of the present embodiment may be composed only of an extract from cinnamon, acteoside or a mixture thereof, or may be an extract from cinnamon, acteoside or a mixture thereof.

本実施形態の抗糖化作用剤は、デキストリン、シクロデキストリン等の薬学的に許容し得るキャリアーその他任意の助剤を用いて、常法に従い、粉末状、顆粒状、錠剤状、液状等の任意の剤形に製剤化することができる。この際、助剤としては、例えば、賦形剤、結合剤、崩壊剤、滑沢剤、安定剤、矯味・矯臭剤等を用いることができる。抗糖化作用剤は、他の組成物(例えば、皮膚外用剤、美容用飲食品等)に配合して使用することができるほか、軟膏剤、外用液剤、貼付剤等として使用することができる。   The anti-glycation agent of this embodiment is an arbitrary pharmaceutically acceptable carrier such as dextrin or cyclodextrin, and any other auxiliary agent such as powder, granule, tablet, liquid, etc. according to a conventional method. It can be formulated into a dosage form. In this case, as an auxiliary agent, for example, an excipient, a binder, a disintegrant, a lubricant, a stabilizer, a flavoring / flavoring agent, and the like can be used. The anti-glycation agent can be used by being blended with other compositions (for example, skin external preparations, cosmetic foods and drinks), and can also be used as an ointment, an external liquid, a patch and the like.

本実施形態の抗糖化作用剤を製剤化した場合、キンモクセイからの抽出物、アクテオシド又はこれらの混合物の含有量は、特に限定されるものではなく、目的に応じて適宜設定することができる。   When the anti-glycation agent of this embodiment is formulated, the content of the extract from cinnamon moss, acteoside, or a mixture thereof is not particularly limited, and can be appropriately set depending on the purpose.

なお、本実施形態の抗糖化作用剤は、必要に応じて、抗糖化作用を有する他の天然抽出物等を、キンモクセイからの抽出物、アクテオシド又はこれらの混合物とともに配合して有効成分として用いることができる。   In addition, the anti-glycation agent of the present embodiment is used as an active ingredient, if necessary, by blending other natural extracts having an anti-glycation effect together with an extract from cinnamon, acteoside or a mixture thereof. Can do.

本実施形態の抗糖化作用剤の患者に対する投与方法としては、経皮投与、経口投与等が挙げられるが、疾患の種類に応じて、その予防・治療等に好適な方法を適宜選択すればよい。   Examples of the method for administering the anti-glycation agent of the present embodiment to a patient include transdermal administration, oral administration, and the like, and a suitable method for its prevention / treatment may be appropriately selected depending on the type of the disease. .

また、本実施形態の抗糖化作用剤の投与量も、疾患の種類、重症度、患者の個人差、投与方法、投与期間等によって適宜増減すればよい。   In addition, the dose of the anti-glycation agent of the present embodiment may be appropriately increased or decreased depending on the type of disease, severity, individual differences among patients, administration method, administration period, and the like.

本実施形態の抗糖化作用剤は、キンモクセイからの抽出物又はアクテオシドが有するAGEsの形成抑制作用及び/又は分解促進作用を通じて、糖尿病性神経障害、糖尿病性網膜症、糖尿病性腎症等の糖尿病合併症を予防又は治療することができるとともに、タンパク質の糖化反応に起因する動脈硬化をも予防又は治療することができる。また、本実施形態の抗糖化作用剤は、キンモクセイからの抽出物又はアクテオシドが有するAGEsの形成抑制作用及び/又は分解促進作用を通じて、タンパク質の糖化反応に起因する皮膚の弾力性低下やくすみ等を予防又は改善することができる。さらに、本実施形態の抗糖化作用剤は、タンパク質の糖化反応に起因する骨粗鬆症や変形性関節症等の疾患を予防又は治療することもできる。ただし、本実施形態の抗糖化作用剤は、これらの用途以外にもAGEsの形成抑制作用及び/又は分解促進作用を発揮することに意義のあるすべての用途に用いることができる。   The anti-glycation agent of this embodiment is a combination of diabetes mellitus such as diabetic neuropathy, diabetic retinopathy, diabetic nephropathy, etc. through the action of inhibiting the formation of AGEs and / or the action of promoting the degradation of AGEs possessed by an extract from cinnamon or acteoside The disease can be prevented or treated, and arteriosclerosis due to protein glycation can also be prevented or treated. In addition, the anti-glycation agent of the present embodiment reduces the skin elasticity and dullness caused by the glycation reaction of the protein through the action of inhibiting the formation of AGEs and / or the action of promoting the degradation of the AGEs possessed by the extract from Actinoside. Can be prevented or ameliorated. Furthermore, the anti-glycation agent of the present embodiment can also prevent or treat diseases such as osteoporosis and osteoarthritis caused by protein glycation reaction. However, the anti-glycation agent of the present embodiment can be used for all uses other than these uses, which are meaningful for exerting an AGEs formation inhibitory action and / or a decomposition promoting action.

また、本実施形態の抗糖化作用剤は、優れた抗糖化作用を有するため、例えば、皮膚外用剤又は飲食品に配合するのに好適である。この場合に、キンモクセイからの抽出物、アクテオシド又はこれらの混合物をそのまま配合してもよいし、キンモクセイからの抽出物、アクテオシド又はこれらの混合物から製剤化した抗糖化作用剤を配合してもよい。   Moreover, since the anti-glycation action agent of this embodiment has the outstanding anti-glycation action, it is suitable for mix | blending with a skin external preparation or food-drinks, for example. In this case, the extract, acteoside, or a mixture thereof from cinnamon can be blended as it is, or an anti-glycation agent formulated from an extract, acteoside, or a mixture thereof from cinnamon can be blended.

ここで、皮膚外用剤としては、その区分に制限はなく、経皮的に使用される皮膚化粧料、医薬部外品、医薬品等を幅広く含むものであり、具体的には、例えば、軟膏、クリーム、乳液、美容液、ローション、パック、ファンデーション、リップクリーム、入浴剤、ヘアートニック、ヘアーローション、石鹸、ボディシャンプー等が挙げられる。   Here, the topical skin preparation is not limited in its category, and includes a wide range of skin cosmetics, quasi-drugs, pharmaceuticals, and the like used transdermally. Creams, milky lotions, beauty essences, lotions, packs, foundations, lip balms, bath salts, hair nicks, hair lotions, soaps, body shampoos and the like.

飲食品としては、その区分に制限はなく、経口的に摂取される一般食品、健康食品、保健機能食品等を幅広く含むものである。   There is no restriction on the category of food and drink, and it includes a wide range of foods such as general foods, health foods, and functional health foods that are taken orally.

また、本実施形態の抗糖化作用剤は、優れた抗糖化作用を有するので、糖化反応に関連する研究、例えばAGEsの形成機構や分解機構に関連する研究のための試薬としても好適に利用することができる。   In addition, since the anti-glycation agent of the present embodiment has an excellent anti-glycation action, it is also suitably used as a reagent for research related to saccharification reaction, for example, research related to the formation mechanism and degradation mechanism of AGEs. be able to.

なお、本実施形態の抗糖化作用剤は、ヒトに対して好適に適用されるものであるが、それぞれの作用効果が奏される限り、ヒト以外の動物(例えば,マウス,ラット,ハムスター,イヌ,ネコ,ウシ,ブタ,サル等)に対して適用することもできる。   In addition, although the anti-glycation agent of this embodiment is suitably applied to humans, as long as each effect is exhibited, animals other than humans (for example, mouse, rat, hamster, dog) , Cats, cattle, pigs, monkeys, etc.).

以下、製造例及び試験例を示し、本発明を具体的に説明するが、本発明は下記の各例に何ら制限されるものではない。   Hereinafter, although a manufacture example and a test example are shown and this invention is demonstrated concretely, this invention is not restrict | limited to each following example at all.

〔製造例1〕キンモクセイ花部抽出物の製造
キンモクセイの花部の粗粉砕物150gに50質量%エタノール(水とエタノールとの質量比=1:1)1500mLを加え、穏やかに攪拌しながら80℃にて2時間保ち、熱時濾過した。続いて、残渣に50質量%エタノール1500mLを加え、穏やかに攪拌しながら80℃にて2時間保ち、熱時濾過した。得られた濾液を合わせて減圧下にて濃縮し、減圧乾燥機で乾燥してキンモクセイ花部抽出物(71.4g,試料1)を得た。
[Production Example 1] Manufacture of an extract of flower portion of cinnamomum 1500 mL of 50% by weight ethanol (mass ratio of water to ethanol = 1: 1) is added to 150 g of a roughly pulverized flower portion of an antrum, and the mixture is gently stirred at 80 ° C. And filtered for 2 hours. Subsequently, 1500 mL of 50% by mass ethanol was added to the residue, kept at 80 ° C. for 2 hours with gentle stirring, and filtered while hot. The obtained filtrates were combined, concentrated under reduced pressure, and dried with a vacuum dryer to obtain an extract of flowering florets (71.4 g, sample 1).

〔製造例2〕アクテオシドの製造
製造例1により得られたキンモクセイ花部抽出物(試料1)8.9gをクロロホルム/メタノール/水=10:5:1の混合溶液に溶解し、シリカゲル(商品名:シリカゲル60,メルク社製)を充填したガラス製のカラム上部より流入して、シリカゲルに吸着させた。ガラス製のカラムに移動層としてクロロホルム/メタノール/水=10:5:1を流し、その溶出液を集め、溶媒を留去して、精製物(2.5g,試料2)を得た。
[Production Example 2] Manufacture of Acteoside 8.9 g of the flower extract (sample 1) obtained from Production Example 1 was dissolved in a mixed solution of chloroform / methanol / water = 10: 5: 1 and silica gel (trade name) : Silica gel 60, manufactured by Merck & Co., Inc.) and was adsorbed on silica gel. Chloroform / methanol / water = 10: 5: 1 was passed as a moving bed through a glass column, the eluate was collected, and the solvent was distilled off to obtain a purified product (2.5 g, sample 2).

上記のようにして精製して得られた精製物について、マススペクトル分析、H−NMR分析及び13C−NMR分析を行った。かかる分析結果を下記に示す。 The purified product obtained by purification as described above was subjected to mass spectrum analysis, 1 H-NMR analysis and 13 C-NMR analysis. The analysis results are shown below.

<マススペクトル(ESI−MS)>
[M−H] m/z 623(理論値:C293615−H=623)
[M+Na] m/z 647(理論値:C293615+Na=647)
<Mass spectrum (ESI-MS)>
[M-H] - m / z 623 ( theoretical value: C 29 H 36 O 15 -H = 623)
[M + Na] + m / z 647 (theoretical value: C 29 H 36 O 15 + Na = 647)

H−NMRケミカルシフトδ(帰属水素)>
6.69 (1H, d, J=2.0 Hz, H-2), 6.67 (1H, d, J=8.1 Hz, H-5), 6.55 (1H, dd, J=2.0, 8.1Hz, H-6), 2.78 (2H, t-like, H-7), 4.01 (1H, overlapped, H-8a), 3.70 (1H, overlapped, H-8b), 7.05 (1H, d, J=2.2 Hz, H-2’), 6.77 (1H, d, J=8.3 Hz, H-5’), 6.94 (1H, dd, J=2.2, 8.3Hz, H-6’), 7.58 (1H, d, J=15.9 Hz, H-7’), 6.27 (1H, d, J=15.9 Hz, H-8’), 4.36 (1H, d, J=7.8Hz, GlcH-1), 3.39 (1H, dd, J=7.8, 8.1Hz, GlcH-2), 3.80(1H, br.t, J=9.0 Hz, Glc H-3), 4.88 (1H, br.t, J=9.2 Hz, Glc H-4), 3.58 (1H, overlapped, Glc H-5), 3.48 (2H, overlapped, Glc H-6), 5.18( 1H, br.s, Rha H-1), 3.90 (1H, m, Rha H-2), 3.58 (2H, overlapped, Rha-H-3 and Rha H-5), 3.30(1H, overlapped, Rha-H-4), 1.08.(3H, d, J=6.1 Hz, Rha H-6)
< 1 H-NMR chemical shift δ (assigned hydrogen)>
6.69 (1H, d, J = 2.0 Hz, H-2), 6.67 (1H, d, J = 8.1 Hz, H-5), 6.55 (1H, dd, J = 2.0, 8.1Hz, H-6), 2.78 (2H, t-like, H-7), 4.01 (1H, overlapped, H-8a), 3.70 (1H, overlapped, H-8b), 7.05 (1H, d, J = 2.2 Hz, H-2 ' ), 6.77 (1H, d, J = 8.3 Hz, H-5 '), 6.94 (1H, dd, J = 2.2, 8.3Hz, H-6'), 7.58 (1H, d, J = 15.9 Hz, H -7 '), 6.27 (1H, d, J = 15.9 Hz, H-8'), 4.36 (1H, d, J = 7.8Hz, GlcH-1), 3.39 (1H, dd, J = 7.8, 8.1Hz , GlcH-2), 3.80 (1H, br.t, J = 9.0 Hz, Glc H-3), 4.88 (1H, br.t, J = 9.2 Hz, Glc H-4), 3.58 (1H, overlapped, Glc H-5), 3.48 (2H, overlapped, Glc H-6), 5.18 (1H, br.s, Rha H-1), 3.90 (1H, m, Rha H-2), 3.58 (2H, overlapped, Rha-H-3 and Rha H-5), 3.30 (1H, overlapped, Rha-H-4), 1.08. (3H, d, J = 6.1 Hz, Rha H-6)

13C−NMRケミカルシフトδ(帰属炭素)>
131.1(s, C-1), 116.1(d, C-2), 146.5(s, C-3), 144.3(s, C-4), 116.8(d, C-5), 121.0(d, C-6), 36.4(t, C-7), 72.0(t, C-8), 127.3(s, C-1’), 114.9(d, C-2’), 145.8(s, C-3’), 149.4(s, C-4’), 116.2(d, C-5’), 122.9(d, C-6’), 147.7(d, C-7’), 114.4(d, C-8’), 167.9(s, C-9’), 103.9(d, Glc C-1), 75.9(d, Glc C-2), 81.4(d, Glc C-3), 70.7(d, Glc C-4), 75.8(d, Glc C-5), 62.1(t, Glc C-6), 102.7(d, Rha C-1), 72.1(d, Rha C-2), 71.8(d, Rha C-3), 73.5(d, Rha C-4), 70.2(d, RhaC-5), 18.3(q, Rha C-6)
< 13 C-NMR chemical shift δ (assigned carbon)>
131.1 (s, C-1), 116.1 (d, C-2), 146.5 (s, C-3), 144.3 (s, C-4), 116.8 (d, C-5), 121.0 (d, C -6), 36.4 (t, C-7), 72.0 (t, C-8), 127.3 (s, C-1 '), 114.9 (d, C-2'), 145.8 (s, C-3 ' ), 149.4 (s, C-4 '), 116.2 (d, C-5'), 122.9 (d, C-6 '), 147.7 (d, C-7'), 114.4 (d, C-8 ' ), 167.9 (s, C-9 '), 103.9 (d, Glc C-1), 75.9 (d, Glc C-2), 81.4 (d, Glc C-3), 70.7 (d, Glc C-4 ), 75.8 (d, Glc C-5), 62.1 (t, Glc C-6), 102.7 (d, Rha C-1), 72.1 (d, Rha C-2), 71.8 (d, Rha C-3 ), 73.5 (d, Rha C-4), 70.2 (d, RhaC-5), 18.3 (q, Rha C-6)

以上の分析結果から、キンモクセイ花部抽出物から得られた化合物が、下記式(I)で表されるアクテオシド(Acteoside)であることが確認された。   From the above analysis results, it was confirmed that the compound obtained from the extract of the flowering part of the beetle was Acteoside represented by the following formula (I).

Figure 0005969738
Figure 0005969738

〔試験例1〕AGEs形成抑制作用試験
製造例1及び2により得られたキンモクセイ花部抽出物(試料1)、及びアクテオシド(試料2)について、以下のようにして最終糖化生成物(AGEs)の形成抑制作用を試験した。
[Test Example 1] AGEs formation inhibitory action test For the cinnamon flower part extract (sample 1) and acteoside (sample 2) obtained in Production Examples 1 and 2, the final glycation product (AGEs) was analyzed as follows. The formation inhibitory action was tested.

96ウェルのI型コラーゲンコートプレート(旭硝子社製)に、PBS緩衝液にて調製した0.2MのD(−)−リボース及び被験試料(試料1及び2,試料濃度は表1を参照)の混合液、陰性対照としてPBS緩衝液のみ、又は陽性対照としてPBS緩衝液にて調製した0.2M D(−)−リボース溶液をそれぞれ100μLずつ各ウェルに添加した後、37℃で2週間静置し、AGEsを形成させた。2週間後、抗AGEs抗体(トランスジェニック社製)を用いたELISA法によりAGEs量を測定し、AGEs形成抑制作用を評価した。得られた結果から、下記式によりAGEs形成抑制率(%)を算出した。   To a 96-well type I collagen-coated plate (Asahi Glass Co., Ltd.) 0.2 M D (-)-ribose prepared in PBS buffer and test samples (samples 1 and 2, see Table 1 for sample concentrations) 100 μL each of the mixed solution, PBS buffer only as a negative control, or 0.2 M D (−)-ribose solution prepared in PBS buffer as a positive control was added to each well and allowed to stand at 37 ° C. for 2 weeks. AGEs were formed. Two weeks later, the amount of AGEs was measured by an ELISA method using an anti-AGE antibody (manufactured by Transgenic) to evaluate the AGEs formation inhibitory action. From the obtained results, the AGE formation inhibition rate (%) was calculated by the following formula.

AGEs形成抑制率(%)={(B−C)/(B−A)}×100
式中、Aは「陰性対照の波長405nmにおける吸光度」を表し、Bは「陽性対照の波長405nmにおける吸光度」を表し、Cは「被験試料添加時の波長405nmにおける吸光度」を表す。
結果を表1に示す。
AGE formation inhibition rate (%) = {(BC) / (BA)} × 100
In the formula, A represents “absorbance at a wavelength of 405 nm of a negative control”, B represents “absorbance at a wavelength of 405 nm of a positive control”, and C represents “absorbance at a wavelength of 405 nm when a test sample is added”.
The results are shown in Table 1.

Figure 0005969738
Figure 0005969738

表1に示すように、試料1及び2はいずれも濃度依存的にAGEsの形成を抑制した。したがって、キンモクセイ花部抽出物、及びアクテオシドが優れたAGEs形成抑制作用を有していると認められた。   As shown in Table 1, Samples 1 and 2 both inhibited the formation of AGEs in a concentration-dependent manner. Therefore, it was recognized that the extract of the flower part of the genus oleum and acteoside has an excellent AGEs formation inhibitory action.

〔試験例2〕AGEs分解促進作用試験
製造例1及び2により得られたキンモクセイ花部抽出物(試料1)、及びアクテオシド(試料2)について、以下のようにして最終糖化生成物(AGEs)の分解促進作用を試験した。
[Test Example 2] AGEs degradation promoting action test With respect to the cinnamon flower part extract (sample 1) and acteoside (sample 2) obtained in Production Examples 1 and 2, the final glycation product (AGEs) was obtained as follows. The degradation promoting effect was tested.

96ウェルのI型コラーゲンコートプレート(旭硝子社製)に、PBS緩衝液にて調製した0.2MのD(−)−リボース溶液、又は陰性対照としてPBS緩衝液のみをそれぞれ100μLを添加し、37℃で2週間静置し、AGEsを形成させた。2週間後、PBS緩衝液にて調製した被験試料(試料1及び2,終濃度は表2を参照)の溶液、陽性対照としてPBS緩衝液のみ、又は陰性対照として引き続きPBS緩衝液のみをそれぞれ100μLずつ添加し、さらに37℃で2週間静置した。反応終了後、抗AGEs抗体(トランスジェニック社製)を用いたELISA法によりAGEs量を測定し、AGEs分解促進作用を評価した。得られた結果から、下記式によりAGEs分解促進率(%)を算出した。   To a 96-well type I collagen-coated plate (Asahi Glass Co., Ltd.), 100 μL each of 0.2 M D (−)-ribose solution prepared in PBS buffer or PBS buffer alone as a negative control was added. AGEs were formed by allowing to stand at 2 ° C. for 2 weeks. Two weeks later, 100 μL each of a test sample solution prepared in PBS buffer (samples 1 and 2, see Table 2 for final concentrations), PBS buffer alone as a positive control, or PBS buffer alone as a negative control. After each addition, the mixture was further allowed to stand at 37 ° C. for 2 weeks. After the reaction was completed, the amount of AGEs was measured by ELISA using an anti-AGE antibody (manufactured by Transgenic), and the AGEs degradation promoting action was evaluated. From the obtained results, the AGE decomposition rate (%) was calculated by the following formula.

AGEs分解促進率(%)={(B−C)/(B−A)}×100
式中、Aは「陰性対照の波長405nmにおける吸光度」を表し、Bは「陽性対照の波長405nmにおける吸光度」を表し、Cは「被験試料添加時の波長405nmにおける吸光度」を表す。
結果を表2に示す。
AGE decomposition rate (%) = {(BC) / (BA)} × 100
In the formula, A represents “absorbance at a wavelength of 405 nm of a negative control”, B represents “absorbance at a wavelength of 405 nm of a positive control”, and C represents “absorbance at a wavelength of 405 nm when a test sample is added”.
The results are shown in Table 2.

Figure 0005969738
Figure 0005969738

表2に示すように、試料1及び2はいずれもAGEsの分解を促進した。したがって、キンモクセイ花部抽出物、及びアクテオシドが優れたAGEs分解促進作用を有していると認められた。   As shown in Table 2, both samples 1 and 2 promoted the degradation of AGEs. Therefore, it was recognized that the extract of the flower part of the hornbill and acteoside has an excellent AGEs degradation promoting action.

本発明の抗糖化作用剤は、糖尿病性神経障害、糖尿病性網膜症、糖尿病性腎症等の糖尿病合併症の予防又は治療、タンパク質の糖化反応に起因する動脈硬化の予防又は治療、タンパク質の糖化反応に起因する皮膚の弾力性低下やくすみ等の予防又は改善、及びタンパク質の糖化反応に起因する骨粗鬆症や変形性関節症等の疾患の予防又は治療に大きく貢献できる。   The anti-glycation agent of the present invention is used for the prevention or treatment of diabetic complications such as diabetic neuropathy, diabetic retinopathy, diabetic nephropathy, prevention or treatment of arteriosclerosis caused by protein glycation reaction, protein glycation It can greatly contribute to the prevention or improvement of skin elasticity reduction and dullness caused by the reaction, and the prevention or treatment of diseases such as osteoporosis and osteoarthritis caused by the protein glycation reaction.

Claims (3)

キンモクセイからの抽出物を有効成分として含有し、糖尿病合併症及び/又は変形性関節症の予防又は治療用途に用いられることを特徴とする抗糖化作用An anti-glycation agent characterized by containing an extract from guinea pig as an active ingredient and used for the prevention or treatment of diabetic complications and / or osteoarthritis. アクテオシド(Acteoside)のみからなり、皮膚のくすみの予防若しくは改善用途及び/又は変形性関節症の予防若しくは治療用途に用いられることを特徴とする抗糖化作用An anti-glycation agent consisting only of Acteoside and used for prevention or improvement of skin dullness and / or prevention or treatment of osteoarthritis. 前記キンモクセイからの抽出物又は前記アクテオシド(Acteoside)が、最終糖化生成物(AGEs)の形成抑制作用及び/又は分解促進作用を有することを特徴とする請求項1又は2に記載の抗糖化作用3. The anti-glycation agent according to claim 1 or 2, wherein the extract from the cynomolgus or the acteoside has an action of inhibiting the formation of final glycation products (AGEs) and / or an action of promoting degradation. .
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