JP3195594B2 - A food composition containing a milk-derived phospholipid. - Google Patents

A food composition containing a milk-derived phospholipid.

Info

Publication number
JP3195594B2
JP3195594B2 JP31212799A JP31212799A JP3195594B2 JP 3195594 B2 JP3195594 B2 JP 3195594B2 JP 31212799 A JP31212799 A JP 31212799A JP 31212799 A JP31212799 A JP 31212799A JP 3195594 B2 JP3195594 B2 JP 3195594B2
Authority
JP
Japan
Prior art keywords
milk
dha
phospholipid
derived
lecithin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP31212799A
Other languages
Japanese (ja)
Other versions
JP2001128642A (en
Inventor
明得 米久保
奈見子 山脇
未央 山田
英生 大友
貴浩 菅野
有 桑田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meiji Co Ltd
Meiji Dairies Corp
Original Assignee
Meiji Co Ltd
Meiji Dairies Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Meiji Co Ltd, Meiji Dairies Corp filed Critical Meiji Co Ltd
Priority to JP31212799A priority Critical patent/JP3195594B2/en
Publication of JP2001128642A publication Critical patent/JP2001128642A/en
Application granted granted Critical
Publication of JP3195594B2 publication Critical patent/JP3195594B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Coloring Foods And Improving Nutritive Qualities (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、ドコサヘキサエン
酸(以下、DHAということもある)を上昇させるため
の食品組成物に関するものである。更に詳細には、本発
明は、DHAを直接経口投与するのではなく、「乳由来
のリン脂質」を経口投与することにより、望ましくない
作用をひき起こすことなく、生体内のDHA含量を選択
的に上昇せしめることのできる新規な食品組成物に関す
るものである。
TECHNICAL FIELD The present invention relates to a food composition for increasing docosahexaenoic acid (hereinafter, also referred to as DHA). More specifically, the present invention provides a method for selectively administering DHA content in a living body without causing undesired effects by orally administering "lipid derived from milk" instead of directly administering DHA. The present invention relates to a novel food composition which can be raised to a higher temperature.

【0002】[0002]

【従来の技術】DHAは、脳や神経系の主要なリン脂質
に多く含まれ、乳児期における脳や網膜の発達において
重要な役割を果たしていることが分ってきた。そして、
日本人の母乳には、DHAが0.63±0.24%含ま
れていることが明らかにされている(米久保他、小児保
健研究、46、349(1987年))。
2. Description of the Related Art It has been found that DHA is contained abundantly in major phospholipids of the brain and nervous system and plays an important role in the development of the brain and retina in infancy. And
It has been revealed that DHA is contained in Japanese breast milk at 0.63 ± 0.24% (Yonekubo et al., Child Health Research, 46, 349 (1987)).

【0003】一方、乳幼児期においてDHAが重要であ
るだけでなく、生体内のDHA含量は、加齢とともに低
下する傾向にあり、DHA含量の低下は、成人や高齢者
の記憶低下、ボケ、痴呆等をひき起す原因のひとつとも
なっている。
On the other hand, not only is DHA important in infancy, but the DHA content in the living body tends to decrease with aging, and the decrease in DHA content is caused by memory loss, blurring and dementia in adults and the elderly. It is also one of the causes of such an event.

【0004】従来、DHAを製品中に強化しようと考え
た場合、精製魚油や海産物由来のDHAを使用せざるを
得なかった。しかし、これらの油脂は、においがきつか
ったり、油脂の安定性確保に努力しなければ、品質のよ
い製品ができにくい欠点があった。また、DHAは、血
清中のコレステロール値を低下せしめ、また、赤血球膜
のアラキドン酸のレベルを低下せしめることも知られて
おり、DHAの強化のために魚油等を含有する食品組成
物を経口的に投与すると、生体内で重要な役割を果たし
ているアラキドン酸(以下、AAということもある)の
レベルを低下せしめることとなり、DHAとAAの同時
強化はきわめて困難であった。
[0004] Conventionally, when it was considered to enhance DHA in a product, DHA derived from refined fish oil or marine products had to be used. However, these fats and oils have a drawback that it is difficult to produce high quality products unless the smell is smelled or efforts are made to ensure the stability of the fats and oils. It is also known that DHA lowers serum cholesterol levels and lowers the level of arachidonic acid in erythrocyte membranes. Therefore, a food composition containing fish oil or the like to enhance DHA is orally administered. , The level of arachidonic acid (hereinafter also referred to as AA), which plays an important role in the living body, was reduced, and it was extremely difficult to simultaneously enhance DHA and AA.

【0005】[0005]

【発明が解決しようとする課題】本発明は、上記した技
術の現状に鑑み、AAの生体内レベルの低下、魚油に由
来する臭いの問題等望ましくない各種作用をひき起すこ
となく、生体内DHAレベルを高めることのできる経口
用組成物を新たに開発する目的でなされたものである。
DISCLOSURE OF THE INVENTION In view of the above-mentioned state of the art, the present invention provides an in vivo DHA without causing various undesirable effects such as a decrease in the level of AA in the living body and the problem of odor derived from fish oil. The purpose of the present invention is to develop a new oral composition capable of raising the level.

【0006】換言すれば、本発明は、他の脂肪酸、例え
ばAAの生体内レベルを低下せしめることなくDHAの
生体内レベルのみを特異的に上昇せしめることのできる
食品組成物を、魚油等を用いることなく、新たに製造す
る目的でなされたものである。つまり本発明は、DHA
や魚油等を配合することなく、生体内でDHAのみを選
択的に多量に蓄積できる食品組成物を開発する目的でな
されたものである。
In other words, the present invention provides a food composition which can specifically increase only the level of DHA in the living body without lowering the level of other fatty acids such as AA in the living body using fish oil or the like. It was made for the purpose of new production without any. That is, the present invention provides a DHA
The purpose of the present invention is to develop a food composition capable of selectively accumulating only DHA in a large amount in a living body without blending fish oil or fish oil.

【0007】[0007]

【課題を解決するための手段】本発明は、上記目的を達
成するためになされたものであって、DHAを強化する
にもかかわらず、DHAを直接配合することなく、他の
成分を配合することにより、複雑な生化学反応系である
生体内でDHAを生合成せしめるという、きわめて解決
困難な技術課題を設定した。そして本発明者らは、各方
面から各種物質について広く検討した結果、牛乳由来の
リン脂質(以下、ミルクリン脂質ということもある)に
はじめて着目した。
DISCLOSURE OF THE INVENTION The present invention has been made to achieve the above-mentioned object, and despite the fact that DHA is strengthened, other components are blended without directly blending DHA. In this way, a very difficult technical problem of biosynthesizing DHA in a living body, which is a complex biochemical reaction system, has been set. As a result of extensively examining various substances from various fields, the present inventors focused on milk-derived phospholipids (hereinafter sometimes referred to as milk phospholipids) for the first time.

【0008】牛乳由来のリン脂質は、ファスファチジル
コリン(PC:レシチン)、フォスファチジルエタノー
ルアミン(PE)のほか、スフィンゴミエリン(SP
M)を多量に含有している点で特徴的である。このリン
脂質は乳由来レシチンとして使用可能であり、換言すれ
ば、この乳由来のレシチンは、通常、スフィンゴミエリ
ンを付随している点で特徴的であって、この点において
大豆レシチンや卵黄レシチンと大きく異なっている。
[0008] The phospholipids derived from milk include phosphatidylcholine (PC: lecithin), phosphatidylethanolamine (PE), and sphingomyelin (SP).
M) is characteristic in that it contains a large amount of M). This phospholipid can be used as milk-derived lecithin, in other words, this milk-derived lecithin is characteristic in that it is usually accompanied by sphingomyelin, and in this respect, soybean lecithin and egg yolk lecithin are used. It is very different.

【0009】本発明者らは、この乳レシチンの生理的効
果を検討する中で、この乳レシチンを食餌から摂取する
と、生体内の脳や肝臓などの組織中のDHA含量が、対
照として使用した大豆レシチンを摂取させたときに比べ
て、有意に高まることをはじめて見出すに至った。ま
た、この際、生体内で、ホルモン様の作用を示すプロス
タグランジンなどの前駆体となる脂肪酸であるAAの低
下をきたすことなく、DHAのみが高まるというきわめ
て有用な新知見も得た。
The present inventors have studied the physiological effects of this milk lecithin and found that when this milk lecithin was ingested from the diet, the DHA content in tissues such as brain and liver in vivo was used as a control. For the first time, it was found that the level was significantly increased as compared with when soy lecithin was taken. At this time, the present inventors have also obtained a very useful new finding that only DHA is increased without lowering AA which is a fatty acid which is a precursor of prostaglandin or the like having a hormone-like action in vivo.

【0010】そこで本発明者らは、AAのレベルは維持
しながらDHAを高めることができるというこれらの新
知見に基づき、食餌中にDHAを魚油の形で強化しなく
ても生体内のDHA含量を有意に高めることが可能であ
ることも確認するとともに、更に研究を進めた結果、食
餌中にDHAを魚油等の形で強化し、さらに乳由来のレ
シチンを添加することも可能であって、このときは、乳
由来のレシチン強化によって高まった、生体内での生合
成能力によって新たに生成したDHAと、食餌由来のD
HAとが合わさって、いっそうのDHA含量の上昇へ導
かれることも確認し、遂に本発明の完成に至ったもので
ある。
[0010] Accordingly, the present inventors have based on these new findings that DHA can be increased while maintaining the level of AA, and the DHA content in the living body can be increased without enriching DHA in the form of fish oil in the diet. It has been confirmed that the DHA can be significantly increased, and as a result of further research, it is also possible to fortify DHA in the form of fish oil or the like in the diet, and to further add milk-derived lecithin, At this time, DHA newly generated by in vivo biosynthesis ability, which was enhanced by enrichment of milk-derived lecithin, and dietary D-
It was also confirmed that the combination with HA led to a further increase in the DHA content, and the present invention was finally completed.

【0011】すなわち本発明は、これらの有用新知見に
基づいてなされたものであって、乳由来のリン脂質を使
用して生体内DHA含量を高める新規システムに関する
ものであり、この乳由来リン脂質を配合すれば、乳児か
ら成人、高齢者、妊産婦、授乳婦、女性全般の生体内脂
質バランスをバランス良く高めることが可能となる。そ
して、この効果は製品中にDHAを強化しておけば、生
体内で乳由来リン脂質の作用によって合成促進されて作
られたDHAと、DHAの形で直接体内に取り込まれた
分と合わさって生体内におけるDHA含量を効率よく高
めることが可能となる。以下、本発明について詳述す
る。
That is, the present invention has been made based on these useful new findings, and relates to a novel system for increasing the DHA content in a living body by using milk-derived phospholipids. By blending, it is possible to increase the in vivo lipid balance of infants, adults, elderly people, pregnant women, lactating women, and women in a well-balanced manner. This effect can be achieved by enriching DHA in the product if it is strengthened in the body by the action of phospholipids derived from milk in the living body, and combined with DHA that is directly taken into the body in the form of DHA. It is possible to efficiently increase the DHA content in a living body. Hereinafter, the present invention will be described in detail.

【0012】本発明で使用する乳由来リン脂質におい
て、乳としては、牛、山羊、羊、馬、水牛等各種家畜の
乳のほか母乳も使用可能であるが、以下、牛乳を代表例
として本発明を説明する。
In the milk-derived phospholipid used in the present invention, milk can be used not only milk of various livestock such as cows, goats, sheep, horses and buffaloes but also breast milk. The invention will be described.

【0013】乳由来リン脂質(ミルクリン脂質)は、牛
乳から抽出して製造するものであって、母乳と近似した
リン脂質組成を有し、フォスファチジルコリン(P
C)、つまりレシチンのほか、フォスファチジルエタノ
ールアミン(PE)、及び、スフィンゴ脂質であるスフ
ィンゴミエリン(SPM)を含有している点で特徴的で
ある。本発明においてミルクリン脂質とは、このように
して牛乳から抽出したものを広く指すものであるが、市
販品も有利に使用することができる。
[0013] Milk-derived phospholipids (milk phospholipids) are produced by extracting from cow's milk, have a phospholipid composition similar to that of breast milk, and contain phosphatidylcholine (P).
C), that is, it is characteristic in that it contains phosphatidylethanolamine (PE) and sphingomyelin (SPM), which is a sphingolipid, in addition to lecithin. In the present invention, the milk phospholipids broadly refer to those extracted from milk in this way, but commercially available products can also be advantageously used.

【0014】市販品としては、ニュージーランド・デイ
リー・イングレジュエンツ社製品(例えば、リン脂質含
量40.6%又は85.3%の牛乳複合脂質製品など)
や、ニュージーランド、ベイ・ミルク・プロダクツ社製
品等が使用可能であって、例えば後者の製品としてはア
ルファ リピッド(ALPHA LIPID:商品名)
があり、その組成は次のとおりであって、ヒトの皮膚に
おける主要リン脂質である天然スフィンゴミエリン含量
が高レベルにあるという特徴を有する。また、これらに
類似した牛乳から抽出したレシチン純度4%程度の粉末
化したものを欧州のメーカーから入手することができ
る。
Commercially available products include products of New Zealand Daily Ingredients (for example, milk complex lipid products having a phospholipid content of 40.6% or 85.3%).
And New Zealand, Bay Milk Products Co., Ltd. products can be used. For example, as the latter product, Alpha Lipid (ALPHA LIPID: trade name)
The composition is as follows and is characterized by a high content of natural sphingomyelin, a major phospholipid in human skin. Further, powdered lecithin having a purity of about 4% extracted from milk similar to these can be obtained from a European manufacturer.

【0015】本発明において、乳由来のリン脂質とは、
乳から抽出して製造したものであって、リン脂質の含有
量が高いものであり、次の組成のものであると定義する
ことができる。 このようなリン脂質は、例えばニュージーランド、ベイ
・ミルク・プロダクツ社から販売されているので、これ
を使用することができる。
In the present invention, the milk-derived phospholipid is
It is manufactured by extracting from milk and has a high phospholipid content and can be defined as having the following composition. Such phospholipids are available, for example, from Bay Milk Products, New Zealand and can be used.

【0016】また、上記からも明らかなように、乳由来
のリン脂質は、PC、すなわちレシチンを含有してお
り、乳レシチンとして使用することができる。したがっ
て、乳レシチンはSPMを含有する点で特徴的であり、
換言すれば、乳由来のレシチンを牛乳から単離精製する
ことにより、SPMを含むレシチンが得られるので、本
発明においては、乳レシチンは乳由来のリン脂質と同義
に用いられる。
As is clear from the above, the phospholipid derived from milk contains PC, that is, lecithin, and can be used as milk lecithin. Therefore, milk lecithin is characteristic in that it contains SPM,
In other words, by isolating and purifying milk-derived lecithin from cow's milk, lecithin containing SPM can be obtained. In the present invention, milk lecithin is used synonymously with milk-derived phospholipid.

【0017】更に本発明において、乳由来のリン脂質
(乳レシチン)としては、それを含有している含有物を
使用することができる。該含有物としては、乳成分から
抽出し、上記ほどには精製していないリン脂質画分が例
示される。具体的には、牛乳又はバターミルク、バター
ゼラムから分画調製した複合脂質画分濃縮物等が例示さ
れる。
Furthermore, in the present invention, as a phospholipid derived from milk (milk lecithin), a substance containing it can be used. Examples of the content include a phospholipid fraction extracted from a milk component and not purified as described above. Specific examples thereof include a complex lipid fraction concentrate prepared by fractionating cow's milk or buttermilk and butterram.

【0018】本発明に係る食品組成物は、乳由来のリン
脂質を有効成分として含有してなる食品又は飲料タイプ
の組成物であって、本有効成分をそのまま使用したり、
他の飲食品や飲食品成分と併用したりして、適宜常法に
したがって使用できる。本発明に係る食品組成物(本発
明においては飲料組成物も包含される)は、固体状(粉
末、顆粒状その他)、ペースト状、液状ないし懸濁液状
のいずれでもよいが、甘味料、酸味料、ビタミン剤、栄
養成分等の各種成分を用いて、飲料タイプ、ヨーグルト
タイプ、プリン等のデザート、粉乳やミルク製品とする
と、成人はもとより、高齢者、妊産婦、女性、乳幼児等
DHAを特に必要とする人々にとって好適である。
The food composition according to the present invention is a food or beverage type composition containing a milk-derived phospholipid as an active ingredient.
It can be used in combination with other foods and drinks and food and drink ingredients according to ordinary methods as appropriate. The food composition according to the present invention (including the beverage composition in the present invention) may be solid (powder, granule or the like), paste, liquid or suspension, but may be sweetener, sour taste, etc. Ingredients, vitamins, nutrients, and other ingredients are used to make beverages, yogurt types, puddings and other desserts, powdered milk and milk products, and DHA is particularly necessary for adults, elderly people, pregnant women, women, infants, etc. It is suitable for people.

【0019】例えば、乳由来のリン脂質に大豆リン脂
質、卵黄レシチンを配合し、更に脳機能の活性化に関与
することが分かってきたカルニチンを5mg%以上、好
ましくは10mg%以上含み、必要あれば更にβ−カロ
チン、ビタミンE、ポリフェノール等の栄養成分や食品
成分を配合し、脂質含量を0.5〜10%、好ましくは
1〜5%程度(育児用調製粉乳にあっては20〜30%
程度)含む各種タイプの飲食品製品を製造することがで
きる。
For example, soybean phospholipid and egg yolk lecithin are blended with milk-derived phospholipid, and carnitine, which has been found to be involved in activation of brain function, is contained in an amount of 5 mg% or more, preferably 10 mg% or more. Nutrient components and food components such as β-carotene, vitamin E, polyphenol and the like are further added, and the lipid content is 0.5 to 10%, preferably about 1 to 5% (in the case of infant formula, 20 to 30%). %
And various types of food and beverage products.

【0020】上記した本発明に係る食品組成物は、これ
を経口摂取した場合、生体内のDHAレベルを上昇する
という著効を奏するものであるが、所望するのであれ
ば、本食品組成物にDHAを配合強化することにより
(5〜500mg%、好ましくは20〜200mg
%)、更に生体内のDHAレベルを高めることができ
る。
The above-mentioned food composition of the present invention, when taken orally, has a remarkable effect of increasing the level of DHA in the living body, but if desired, it can be added to the present food composition. By strengthening the compounding of DHA (5 to 500 mg%, preferably 20 to 200 mg
%), And the DHA level in the living body can be further increased.

【0021】本発明に係る食品組成物における有効成分
(乳由来のリン脂質)含量は、適宜でよいが、通常の場
合、乳幼児用食品においては、製品中0.001%以
上、好ましくは0.003%以上とするが、乳幼児を対
象としない場合は、製品中0.5%以上、好ましくは1
%以上とするのがよい。以下、本発明の実施例について
述べる。
The content of the active ingredient (phospholipid derived from milk) in the food composition according to the present invention may be any suitable amount, but usually, in the case of infant food, 0.001% or more, preferably 0.1%, of the product. 003% or more, but when not intended for infants, 0.5% or more, preferably 1%
% Or more. Hereinafter, embodiments of the present invention will be described.

【0022】[0022]

【実施例1】乳由来のリン脂質の経口投与による生体内
DHA含量の上昇について、離乳前ラットを用い、次の
ようにして確認した。乳由来のリン脂質としては、AL
PHA LIPID 300(商品名:Bay Mil
k Products Ltd.,ニュージーランド)
を使用した。
Example 1 The increase in DHA content in a living body due to oral administration of phospholipids derived from milk was confirmed as follows using rats before weaning. As phospholipids derived from milk, AL
PHA LIPID 300 (Product Name: Bay Mil)
k Products Ltd. ,new Zealand)
It was used.

【0023】(目的/経緯/背景)牛乳由来のリン脂質
(以下、ミルクリン脂質)はフォスファチジルコリン
(PC)、フォスファチジルエタノールアミン(PE)
のほか、スフィンゴミエリン(SPM)を多く含んでい
る特徴がある。母乳リン脂質中にもSPMが最も多く存
在するにもかかわらず、乳児期におけるSPMの栄養学
的評価は十分なされていない。そこでミルクリン脂質を
離乳前ラットに投与したときの生体の脂質組成に及ぼす
影響を調べるため、人工哺育モデル系を用いて検討を行
った。
(Purpose / Background / Background) Phospholipids derived from milk (hereinafter, milk phospholipids) are phosphatidylcholine (PC), phosphatidylethanolamine (PE)
In addition, it has a feature that it contains a large amount of sphingomyelin (SPM). Despite the highest abundance of SPM in breast milk phospholipids, the nutritional evaluation of SPM in infancy has not been adequate. Therefore, in order to investigate the effect of administration of milk phospholipid to preweaning rats on the lipid composition of the living body, we examined using an artificial lactation model system.

【0024】(方法/検討内容)哺育実験は菅野らの方
法(J.of Pediatric Gastroen
terology and Nutrition,2
4,242−252(1997))に準じて行い、5日
齢のSD系ラットにカニュレーションを行い、試験用ミ
ルクを10日間投与した。試験に用いたリン脂質は、ミ
ルクリン脂質、および対照として大豆リン脂質を用い、
試験用ミルクに1%含有するように調製した。投与した
ミルクの脂質含量は12%(リン脂質(1%)+トリグ
リセリド(11%)とし、各群の脂質組成(脂肪酸組成
(表1)、コレステロール含量など)も、できるだけ同
じになるように合わせた。
(Method / Contents of Study) The nursing experiment was performed according to the method of Sugano et al. (J. of Pediatric Gastroen).
terology and Nutrition, 2
4,242-252 (1997)), cannulation was performed on 5-day-old SD rats, and test milk was administered for 10 days. The phospholipids used in the test were milk phospholipids and soybean phospholipids as a control.
The test milk was prepared so as to contain 1%. The lipid content of the administered milk was 12% (phospholipid (1%) + triglyceride (11%)), and the lipid composition (fatty acid composition (Table 1), cholesterol content, etc.) of each group was adjusted to be as similar as possible. Was.

【0025】 (表1)試験用ミルクの脂肪酸組成 FA 大豆リン脂質群 ミルクリン脂質群 C8:0 7.63 7.24 C12:0 14.52 11.74 C14:0 6.21 5.13 C16:0 25.8 25.61 C16:1 0.1 0.18 C18:0 3.9 4.43 C18:1 22.5 23.71 C18:2 14.0 13.07 C18:3 1.0 1.01 小 計 95.7 92.29 その他 4.3 7.71 合 計 100 100(Table 1) Fatty acid composition of test milk FA Soybean phospholipid group Milk phospholipid group C8: 0 7.63 7.24 C12: 0 14.52 11.74 C14: 0 6.21 5.13 C16: 0 25.8 25.61 C16: 1 0.1 0.18 C18: 0 3.9 4.43 C18: 1 22.5 23.71 C18: 2 14.0 13.07 C18: 3 1.01 .01 Subtotal 95.7 92.29 Others 4.3 7.71 Total 100 100

【0026】ラット実験用ミルクを10日間投与した後
の15日齢のときに解剖を行い、血漿、肝臓、大脳の脂
質組成を測定した。測定結果を図1に示した。
The rats were dissected at the age of 15 days after the administration of the experimental milk for 10 days, and the lipid compositions of plasma, liver and cerebrum were measured. The measurement results are shown in FIG.

【0027】(結果/考察)体重増加量、臓器重量に両
群間で差は認められなかった。血漿、肝臓および大脳の
コレステロール、リン脂質含量に両群間での差は認めら
れなかった。さらに、PC、PE、SPMなどの各リン
脂質含量も両群間での差は認められなかった。肝臓およ
び大脳のトリグリセリド含量については、ミルクリン脂
質群が大豆リン脂質群に比べて高かったが、血漿トリグ
リセリドに両群間での差は認められなかったことから、
病的な差ではないと判断した。これらのことより、リン
脂質組成の違いは、離乳前ラットの生体内脂質組成にあ
まり影響を与えないことを示唆した。
(Results / Discussion) No difference was observed between the two groups in weight gain and organ weight. There was no difference between the two groups in the cholesterol and phospholipid contents of plasma, liver and cerebrum. Furthermore, there was no difference in the content of each phospholipid such as PC, PE, and SPM between the two groups. The liver and cerebral triglyceride contents were higher in the milk phospholipid group than in the soybean phospholipid group, but there was no difference in plasma triglyceride between the two groups.
It was not a pathological difference. These results suggested that the difference in phospholipid composition did not significantly affect the lipid composition in vivo in rats before weaning.

【0028】肝臓および大脳のリン脂質脂肪酸組成につ
いては、アラキドン酸含量(AA)は両群間での差は認
められなかったが、ドコサヘキサエン酸含量(DHA)
は、ミルクリン脂質群が大豆リン脂質群に比べて高かっ
た(図1)。投与ミルクからアラキドン酸およびDHA
を摂取していないにもかかわらず、臓器中のDHA含量
が高かったことから、ミルクリン脂質を摂取すること
は、生体内DHAの取り込みに効果的に働くことが確認
された。
Regarding the phospholipid fatty acid composition of the liver and cerebrum, the arachidonic acid content (AA) did not differ between the two groups, but the docosahexaenoic acid content (DHA)
Was higher in the milk phospholipid group than in the soybean phospholipid group (FIG. 1). Arachidonic acid and DHA from administered milk
Although DHA was not ingested, the DHA content in the organs was high, and thus it was confirmed that ingestion of milk phospholipids effectively works for incorporation of DHA in the living body.

【0029】これらの結果より、スフィンゴミエリンを
含んだミルクリン脂質を離乳前に摂取することは、生体
内脂質組成よりもむしろ脂肪酸組成に影響を与え、生体
内DHA含量を高める効果があることが確認された。ま
た、リン脂質を2%及びトリグリセリドを10%使用し
た場合も、同様の効果が確認された。
From these results, it was confirmed that ingestion of milk phospholipid containing sphingomyelin before weaning has an effect on the fatty acid composition rather than the lipid composition in the living body and has an effect of increasing the DHA content in the living body. Was done. Similar effects were confirmed when 2% of phospholipid and 10% of triglyceride were used.

【0030】[0030]

【実施例2】育児用調製粉乳100kgを調製するに当
たり、次に示す原材料(基本配合)及び成分を用意し
た。
Example 2 In preparing 100 kg of infant formula, the following raw materials (basic composition) and components were prepared.

【0031】そしてこれらの原料を常法に従って溶解、
混合、清浄化した後、殺菌、濃縮、均質化し、噴霧乾燥
して、製品を得た。
Then, these materials are dissolved according to a conventional method.
After mixing and cleaning, sterilization, concentration, homogenization, and spray drying were performed to obtain a product.

【0032】 (基本配合) 調製粉乳基本配合 カゼイン 5.5kg ホエイタンパク質単離物 24.0kg 糖質(乳糖及びオリゴ糖) 43.4kg ミネラル類及びビタミン類 2.1kg 大豆油 25.0kg 合計 100.0kg(Basic Formula) Basic Formula of Powdered Milk Formula Casein 5.5 kg Whey protein isolate 24.0 kg Carbohydrate (lactose and oligosaccharides) 43.4 kg Minerals and vitamins 2.1 kg Soybean oil 25.0 kg Total 100. 0 kg

【0033】大豆油としては、大豆油、乳由来リン脂質
(ニュージーランド、ベイ・ミルク・プロダクツ社製、
リン脂質含量70%)、大豆リン脂質(ホーネンコーポ
レーション社製、リン脂質含量49.1%)、卵黄レシ
チン(太陽化学社製、リン脂質含量27.1%)を下記
に示した割合で配合した。
As the soybean oil, soybean oil, milk-derived phospholipid (manufactured by Bay Milk Products Co., New Zealand,
Phospholipid content 70%), soybean phospholipid (Honen Corporation, phospholipid content 49.1%), and egg yolk lecithin (Taiyo Kagaku, phospholipid content 27.1%) were blended in the ratios shown below. .

【0034】 (各種複合脂質による脂肪酸組成物及びリン脂質組成の調節) 大豆油 21.747kg 牛乳リン脂質 0.800kg 大豆複合脂質 1.000kg 鶏卵黄複合脂質 1.400kg DHA 0.053kg 合計 25.000kg(Control of Fatty Acid Composition and Phospholipid Composition by Various Complex Lipids) Soybean oil 21.747 kg Milk phospholipid 0.800 kg Soybean complex lipid 1.000 kg Chicken egg yolk complex lipid 1.400 kg DHA 0.053 kg Total 25,000 kg

【0035】ミネラル類及びビタミン類としては、カル
ニチン0.02kg、β−カロチン、ビタミンE各0.
01kgを用いた。
As minerals and vitamins, carnitine 0.02 kg, β-carotene, vitamin E 0.1% each.
01 kg was used.

【0036】このようにして、乳レシチンを0.003
重量%以上含み、大豆リン脂質、卵黄レシチンを適切量
配合し、さらに脳機能の活性化に関与することが分かっ
てきたカルニチンを10mg%以上含み、β−カロチ
ン、ビタミンEを配合し、脂肪含量25%程度を含む乳
児用に適し、DHAを20〜200mg重量%含む体内
DHA含量上昇用調製粉乳を製造した。
In this manner, milk lecithin was added in an amount of 0.003.
Containing at least 10% by weight of carnitine, which has been found to be involved in the activation of brain function, and containing β-carotene and vitamin E. A powdered milk for increasing DHA content in the body, which is suitable for infants containing about 25% and contains DHA at 20 to 200 mg% by weight, was produced.

【0037】また、同様にして、DHAを含有しない調
製粉乳を製造した。
In the same manner, a milk powder containing no DHA was produced.

【0038】[0038]

【0039】[0039]

【実施例3】上記と同様にして、成人、高齢者、妊産
婦、授乳婦、女性のための、生体内DHA含量上昇用食
品組成物を製造した。
Example 3 In the same manner as described above, a food composition for increasing the in vivo DHA content for adults, elderly people, pregnant women, lactating women, and women was produced.

【0040】(1)乳レシチンを製品中1重量%以上含
み、大豆リン脂質、卵黄レシチンを適切量配合し、さら
に脳機能の活性化に関与することが分かってきたカルニ
チンを10mg%以上含ませ、脂肪含量を、3.5%程
度含む飲料タイプ、ヨーグルトタイプ、プリン等のデザ
ート類の成人用食品および高齢者用食品を製造した。
(1) Milk lecithin is contained in the product in an amount of at least 1% by weight, soybean phospholipid and egg yolk lecithin are added in appropriate amounts, and carnitine, which has been found to be involved in activation of brain function, is contained in an amount of at least 10 mg%. In addition, desserts such as drink type, yogurt type, and pudding containing fat content of about 3.5% were manufactured for adult food and elderly food.

【0041】(2)乳レシチンを製品中1重量%以上含
み、DHAを20〜200mg重量%含み、大豆リン脂
質、卵黄レシチンを適切量配合し、さらに脳機能の活性
化に関与することが分かってきたカルニチンを10mg
%以上含み、β−カロチン、ビタミンE、ポリフェノー
ルを配合し、脂肪含量を3.5%程度含む飲料タイプ、
ヨーグルトタイプ、プリン等のデザート類の成人用食品
および高齢者用食品を製造した。
(2) Milk lecithin is contained in the product in an amount of 1% by weight or more, DHA is contained in an amount of 20 to 200 mg by weight, soybean phospholipid and egg yolk lecithin are added in appropriate amounts, and furthermore, it is found to be involved in activation of brain function. 10mg of carnitine
%, Containing β-carotene, vitamin E, polyphenol, and a fat content of about 3.5%,
Manufactured desserts such as yogurt type and pudding for adults and food for the elderly.

【0042】(3)乳レシチンを製品中1重量%以上含
み、大豆リン脂質、卵黄レシチンを適切量配合し、さら
に脳機能の活性化に関与することが分かってきたカルニ
チンを10mg%以上含み、β−カロチン、ビタミン
E、ポリフェノールを配合し、脂肪含量を3.5%程度
含む飲料タイプ、ヨーグルトタイプ、プリン等のデザー
ト類の妊産婦、授乳婦用食品を製造した。
(3) Milk lecithin is contained in the product in an amount of 1% by weight or more, soybean phospholipid and egg yolk lecithin are added in appropriate amounts, and carnitine which has been found to be involved in activation of brain function is contained in an amount of 10 mg% or more. β-carotene, vitamin E and polyphenol were blended, and desserts such as drink types, yogurt types and puddings containing fat contents of about 3.5% were manufactured for pregnant women and nursing women.

【0043】(4)乳レシチンを製品中1重量%以上含
み、DHAを20〜200mg重量%含み、大豆リン脂
質、卵黄レシチンを適切量配合し、さらに脳機能の活性
化に関与することが分かってきたカルニチンを10mg
%以上含む、β−カロチン、ビタミンE、ポリフェノー
ルを配合し、脂肪含量を3.5%程度含む飲料タイプ、
ヨーグルトタイプ、プリン等のデザート類の妊産婦、授
乳婦用食品を製造した。
(4) Milk lecithin is contained in the product in an amount of 1% by weight or more, DHA is contained in an amount of 20 to 200 mg% by weight, soybean phospholipid and egg yolk lecithin are added in appropriate amounts, and furthermore, it is found to be involved in activation of brain function. 10mg of carnitine
% Or more, containing β-carotene, vitamin E, polyphenol, and a fat type containing about 3.5% of fat content,
Manufacture of maternal and nursing foods for desserts such as yogurt type and pudding.

【0044】(5)乳レシチンを製品中1重量%以上含
み、大豆リン脂質、卵黄レシチンを適切量配合し、さら
に脳機能の活性化に関与することが分かってきたカルニ
チンを10mg%以上含み、β−カロチン、ビタミン
E、ポリフェノールを配合し、脂肪含量を3.5%程度
含む飲料タイプ、ヨーグルトタイプ、プリン等のデザー
ト類の女性用食品を製造した。
(5) Milk lecithin is contained in the product in an amount of 1% by weight or more, soybean phospholipid and egg yolk lecithin are added in appropriate amounts, and carnitine which has been found to be involved in activation of brain function is contained in an amount of 10 mg% or more. β-carotene, vitamin E, and polyphenol were blended, and dessert-type women's foods such as drink types, yogurt types, and puddings containing about 3.5% of fat content were produced.

【0045】(6)乳レシチンを製品中1重量%以上含
み、DHAを20〜200mg重量%含み、大豆リン脂
質、卵黄レシチンを適切量配合し、さらに脳機能の活性
化に関与することが分かってきたカルニチンを10mg
%以上含み、β−カロチン、ビタミンE、ポリフェノー
ルを配合し、脂肪含量を3.5%程度含む飲料タイプ、
ヨーグルトタイプ、プリン等のデザート類の女性用食品
を製造した。
(6) Milk lecithin is contained in the product in an amount of 1% by weight or more, DHA is contained in an amount of 20 to 200 mg% by weight, soybean phospholipid and egg yolk lecithin are added in appropriate amounts, and it is further found to be involved in activation of brain function. 10mg of carnitine
%, Containing β-carotene, vitamin E, polyphenol, and a fat content of about 3.5%,
Manufactured women's food products such as yogurt type and pudding for desserts.

【0046】[0046]

【発明の効果】本発明によれば、DHA強化食品を用い
てDHAのみを直接経口摂取することなく、体内DHA
レベルを高めるというきわめてユニークな効果が奏さ
れ、乳幼児の脳の発達を促進することができる。また、
加齢とともに生体内のDHA含量が低下する傾向にあ
り、この低下により、成人のボケ、記憶の低下を来しや
すくなるが、本発明に係る乳由来のレシチンを成人用な
いし高齢者用食品に配合することによって、これを摂取
した人の生体内におけるDHAレベルをアラキドン酸の
低下を来さずに高めることができ、さらには食事中にD
HAを強化しておけば体内合成されるDHAとを加えて
いっそうのDHA含量の蓄積を図ることができ、高齢者
の脳機能の活性化を図ることができる。
EFFECT OF THE INVENTION According to the present invention, DHA alone is not directly orally ingested using DHA enriched food, and DHA
It has a very unique effect of increasing the level and can promote the brain development of infants. Also,
The DHA content in the living body tends to decrease with aging, and this decrease tends to cause blurring and memory deterioration in adults, but the milk-derived lecithin according to the present invention is used in adult or elderly foods. The combination can increase the level of DHA in the living body of a person who has taken it without lowering arachidonic acid, and furthermore, the level of DHA during meals
If HA is strengthened, DHA content that is more likely to be added to DHA synthesized in the body can be increased, and brain function of the elderly can be activated.

【図面の簡単な説明】[Brief description of the drawings]

【図1】肝臓及び大脳のリン脂質脂肪酸組成を示す。両
群の上に示したアルファベットが同じときは有意差な
し、異なるときは有意差あり(p<0.05)を示す。
FIG. 1 shows the phospholipid fatty acid composition of liver and cerebrum. When the alphabet shown above both groups is the same, there is no significant difference, and when different, there is a significant difference (p <0.05).

───────────────────────────────────────────────────── フロントページの続き (72)発明者 大友 英生 東京都東村山市栄町1−21−3 明治乳 業株式会社栄養科学研究所内 (72)発明者 菅野 貴浩 東京都東村山市栄町1−21−3 明治乳 業株式会社栄養科学研究所内 (72)発明者 桑田 有 東京都東村山市栄町1−21−3 明治乳 業株式会社栄養科学研究所内 (56)参考文献 特開 平5−30903(JP,A) (58)調査した分野(Int.Cl.7,DB名) A23C 9/00 - 17/00 A23J 7/00 JICSTファイル(JOIS)──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Hideo Otomo 1-2-1-3 Sakaemachi, Higashimurayama-shi, Tokyo Meiji Dairy Products Co., Ltd. Nutrition Science Research Institute (72) Inventor Takahiro Sugano 1-21-3 Sakaemachi, Higashimurayama-shi, Tokyo Nutrition Science Laboratory, Meiji Dairies Co., Ltd. (72) Yu Kuwata Inventor 1-21-3, Sakaemachi, Higashimurayama-shi, Tokyo Meiji Dairies Co., Ltd. Nutrition Science Laboratory (56) References JP-A-5-30903 (JP, A (58) Field surveyed (Int. Cl. 7 , DB name) A23C 9/00-17/00 A23J 7/00 JICST file (JOIS)

Claims (7)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 乳由来のリン脂質を有効成分として含有
すること、を特徴とする体内ドコサヘキサエン酸(DH
A)含量上昇用食品組成物。
Claims 1. An in vivo docosahexaenoic acid (DH) comprising a phospholipid derived from milk as an active ingredient.
A) A food composition for increasing the content.
【請求項2】 乳由来のリン脂質が乳成分から抽出した
リン脂質画分であること、を特徴とする請求項1に記載
の食品組成物。
2. The food composition according to claim 1, wherein the phospholipid derived from milk is a phospholipid fraction extracted from a milk component.
【請求項3】 食品組成物が、成人用又は高齢者用食
品、妊産婦又は授乳婦用食品、女性用食品、乳幼児用食
品から選ばれる少なくともひとつであること、を特徴と
する請求項1又は2に記載の組成物。
3. The food composition according to claim 1 or 2, wherein the food composition is at least one selected from foods for adults or elderly people, foods for pregnant or lactating women, foods for women, and foods for infants. A composition according to claim 1.
【請求項4】 更にDHAを配合してなること、を特徴
とする請求項1〜3のいずれか1項に記載の組成物。
4. The composition according to claim 1, further comprising DHA.
【請求項5】 該組成物が、乳由来のリン脂質を1重量
%以上もしくは総脂質中で当該リン脂質を8重量%以上
含有してなる、成人用又は高齢者用食品、妊産婦又は授
乳婦用食品、女性用食品から選ばれる少なくともひとつ
であること、を特徴とする請求項3又は4に記載の組成
物。
5. The composition according to claim 1, wherein said composition contains 1% by weight or more of milk-derived phospholipids or 8% by weight or more of said phospholipids in total lipids. The composition according to claim 3, wherein the composition is at least one selected from foods for women and foods for women.
【請求項6】 該組成物が、乳由来のリン脂質を0.0
03重量%以上もしくは総脂質中で当該リン脂質を0.
024重量%以上含有してなる乳幼児用食品であるこ
と、を特徴とする請求項3又は4に記載の組成物。
6. The composition according to claim 1, wherein the milk-derived phospholipid is contained in an amount of 0.06.
0.3% by weight or more of the phospholipids in total lipids.
The composition according to claim 3 or 4, which is a food for infants containing 024% by weight or more.
【請求項7】 乳由来のリン脂質がレシチン、フォスフ
ァチジルエタノールアミン、スフィンゴミエリンを含有
すること、を特徴とする請求項1〜6のいずれか1項に
記載の組成物。
7. The composition according to claim 1, wherein the phospholipid derived from milk contains lecithin, phosphatidylethanolamine, and sphingomyelin.
JP31212799A 1999-11-02 1999-11-02 A food composition containing a milk-derived phospholipid. Expired - Fee Related JP3195594B2 (en)

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* Cited by examiner, † Cited by third party
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WO2007119588A1 (en) 2006-04-10 2007-10-25 Mitsubishi Gas Chemical Company, Inc. Brain function-improving agent, and functional food containing the improving agent

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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