JP2006087352A - Ldl oxidation inhibiting composition - Google Patents

Ldl oxidation inhibiting composition Download PDF

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JP2006087352A
JP2006087352A JP2004277149A JP2004277149A JP2006087352A JP 2006087352 A JP2006087352 A JP 2006087352A JP 2004277149 A JP2004277149 A JP 2004277149A JP 2004277149 A JP2004277149 A JP 2004277149A JP 2006087352 A JP2006087352 A JP 2006087352A
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vitamin
composition
cocoa
ldl
oxidation inhibiting
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Kazuko Saito
和子 齋藤
Fumika Kunikata
富実香 國方
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Meiji Seika Kaisha Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a composition capable of further increasing LDL (light density lipid) oxidation inhibiting power even if suppressing an amount of vitamin C added through supplementing LDL oxidation inhibiting power of vitamin C. <P>SOLUTION: This composition containing vitamin C and cacao extract components reinforces LDL oxidation inhibiting power. The composition is preferably attached with an indication that the composition has oxidation inhibiting action and helps health maintenance. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明はLDL酸化抑制力のある組成物に関し、より詳しくはビタミンCとカカオ抽出成分を含有した、LDL酸化抑制力の増強された組成物に関する。  The present invention relates to a composition having LDL oxidation inhibitory power, and more particularly to a composition having enhanced LDL oxidation inhibitory power, containing vitamin C and a cacao extract component.

生体内における活性酸素による低密度リポ蛋白質(以下LDLと記す)の酸化が、動脈硬化の発生に重要な役割を演じていることが知られている。そしてLDLの酸化が心筋梗塞、脳卒中等の循環器疾患の原因となっている。従ってLDLの酸化を抑制することが循環器疾患の予防に役立つ。   It is known that the oxidation of low-density lipoprotein (hereinafter referred to as LDL) by active oxygen in the living body plays an important role in the development of arteriosclerosis. Oxidation of LDL causes cardiovascular diseases such as myocardial infarction and stroke. Therefore, suppressing LDL oxidation is useful for preventing cardiovascular diseases.

ビタミンCにはLDL酸化抑制力があることが知られている(例えば、非特許文献1,2参照。)。   Vitamin C is known to have LDL oxidation inhibitory power (see, for example, Non-Patent Documents 1 and 2).

また非特許文献3には、ココアの摂取により、血漿中のLDL酸化抑制力が高められることが示されている。しかしながらビタミンCとの相乗効果についてはいずれの文献においても言及されていない。   Non-Patent Document 3 shows that the intake of cocoa increases the ability to inhibit LDL oxidation in plasma. However, the synergistic effect with vitamin C is not mentioned in any literature.

非特許文献4には、カカオ豆からのポリフェノールを含むカカオ成分の抽出方法及び、該抽出成分の組成が示されている。
Proc.Natl.Acad.Sci. Vol.93,p3704-3709 Proc.Natl.Acad.Sci. Vol.98(17),p9842-9846 Free Rad.Res, Vol.34,p93-99 Biosci.Biotechnol.Biochem. Vol.64(12),p2581-2587
Non-Patent Document 4 discloses a method for extracting a cocoa component containing polyphenols from cocoa beans and the composition of the extracted component.
Proc.Natl.Acad.Sci.Vol.93, p3704-3709 Proc.Natl.Acad.Sci.Vol.98 (17), p9842-9846 Free Rad.Res, Vol.34, p93-99 Biosci.Biotechnol.Biochem.Vol.64 (12), p2581-2587

上記の理由から、LDL酸化抑制効果を期待する商品には充分量のビタミンCを添加したいところであるが、ビタミンCには酸味があり、また物質の褐変を促進する場合もあるので、商品設計上添加できる量には制約が生じることがある。そこでビタミンCのLDL酸化抑制力を補うことによって、ビタミンCの添加量を抑えても、よりLDL酸化抑制力を高められる組成物を提供することを課題とした。   For the above reasons, we would like to add a sufficient amount of vitamin C to products that are expected to inhibit LDL oxidation, but vitamin C has a sour taste and may promote browning of the substance. There may be restrictions on the amount that can be added. Accordingly, an object of the present invention is to provide a composition that can enhance the LDL oxidation inhibitory power even if the amount of vitamin C added is suppressed by supplementing the LDL oxidation inhibitory power of vitamin C.

本発明者らは、ビタミンCとカカオ抽出成分が共存することにより、それぞれ単独でのLDL酸化抑制力の和を上回る相乗効果を有することを見いだし、この効果を飲食物に応用して本発明を完成した。すなわち本発明は、ビタミンCとカカオ抽出成分を含有した、LDL酸化抑制力の増強された組成物である。   The present inventors have found that the coexistence of vitamin C and cacao extract component has a synergistic effect exceeding the sum of LDL oxidation inhibitory power alone, and this effect is applied to foods and drinks. completed. That is, the present invention is a composition with enhanced LDL oxidation-suppressing power, containing vitamin C and a cacao extract component.

本発明の組成物により、ビタミンC含有量を増やさないでもLDL酸化抑制力を相乗的に高めることが可能となり、LDL酸化抑制効果を期待する商品の設計が容易となるので、酸化LDLに起因する疾病の予防に役立つことが期待される。   The composition of the present invention can synergistically increase the LDL oxidation inhibitory power without increasing the vitamin C content, and facilitates the design of a product that is expected to have an LDL oxidation inhibitory effect. Expected to help prevent disease.

本発明の組成物は、ビタミンC及びカカオ抽出成分を含有するものであり、その形態としてはビタミンC及びカカオ抽出成分が添加されていてもよく、あるいは、チョコレート、ココアといったカカオ抽出成分を含有する組成物にビタミンCを添加していてもよい。本発明においてカカオ抽出成分とは、カカオマスから油脂を圧搾や抽出により除去した部分、またはそれからさらに抽出された成分を指し、ポリフェノールを含んでいる。本発明においてカカオ抽出成分を用いるにあたっては、カカオ抽出成分を含むものであれば油脂等のカカオ抽出成分以外の成分が共存していてもよく、ココアパウダー、調製ココア、カカオマス、チョコレート等も使用できる。ビタミンCとしては、L−アスコルビン酸、L−アスコルビン酸ステアリン酸エステル、L−アスコルビン酸パルミチン酸エステル、L−アスコルビン酸ナトリウム、L−アスコルビン2−グルコシドがあげられる。また、アセロラ、ゴーヤ、レモンといったビタミンCを含む組成物とカカオ抽出成分を含む組成物を組み合わせても構わない。中でもココアパウダーとビタミンCを含むココアは摂取しやすいので好適である。ビタミンCの量はココア1杯(約115g)当たり12〜500mgが好ましい。栄養機能食品の規格基準によればビタミンCは、1日当たり35〜1000mgの摂取が好ましいとされている。なお表2で後述するようにココアの場合には一杯(約115g)あたりのビタミンC含有量が500mgを越えると嗜好面で好ましくない。
試験例1
The composition of the present invention contains vitamin C and a cacao extract component, and as a form thereof, the vitamin C and the cacao extract component may be added, or contains a cacao extract component such as chocolate and cocoa. Vitamin C may be added to the composition. In the present invention, the cacao extract component refers to a portion obtained by removing oil or fat from cacao mass by pressing or extraction, or a component further extracted therefrom, and includes polyphenol. In using the cocoa extract component in the present invention, components other than the cocoa extract component such as fats and oils may coexist as long as the cocoa extract component is contained, and cocoa powder, prepared cocoa, cocoa mass, chocolate, etc. can also be used. . Examples of vitamin C include L-ascorbic acid, L-ascorbic acid stearate, L-ascorbic acid palmitate, sodium L-ascorbate, and L-ascorbine 2-glucoside. Moreover, you may combine the composition containing vitamin C, such as acerola, bitter gourd, and lemon, and the composition containing a cacao extract component. Among them, cocoa powder and cocoa containing vitamin C are preferable because they are easy to take. The amount of vitamin C is preferably 12 to 500 mg per cup of cocoa (about 115 g). According to the standard of nutritional functional food, vitamin C is preferably consumed at 35 to 1000 mg per day. As will be described later in Table 2, in the case of cocoa, if the vitamin C content per cup (about 115 g) exceeds 500 mg, it is not preferable in terms of preference.
Test example 1

カカオ抽出成分を、次の方法により調製した。すなわち、エクアドル産カカオ豆由来のカカオマスを5倍容量のn―ヘキサンに30分間室温下で分散させ、ほとんどの油脂を除去した。次に、この脱脂されたカカオマスを70%(V/V)アセトン水で抽出し、続いてアセトンを減圧下で蒸留により除去した。得られた水性溶液を9倍容量のn−ブタノールで抽出した。減圧濃縮したn−ブタノール層をダイアイオン(Diaion)HP−2MGカラム(三菱化学製、15cm×10cmI.D.)にかけ、カラムを0.1%のトリフルオロ酢酸を含む15%(V/V)エタノール水溶液で洗浄した。続いてカラムから80%(V/V)メタノール水溶液でプロシアニジンを多く含んだ画分を溶出した。これを乾燥、粉末化したものをカカオ抽出成分とした。該カカオ抽出成分は72重量%のポリフェノールを含んでいた。   The cocoa extract component was prepared by the following method. That is, cacao mass derived from Ecuadorian cacao beans was dispersed in 5 times volume of n-hexane for 30 minutes at room temperature to remove most of the fats and oils. The defatted cocoa mass was then extracted with 70% (V / V) acetone water, followed by removal of the acetone by distillation under reduced pressure. The resulting aqueous solution was extracted with 9 volumes of n-butanol. The n-butanol layer concentrated under reduced pressure was applied to a Diaion HP-2MG column (Mitsubishi Chemical, 15 cm × 10 cm ID), and the column was 15% (V / V) containing 0.1% trifluoroacetic acid. Washed with aqueous ethanol. Subsequently, a fraction containing a large amount of procyanidins was eluted from the column with an 80% (V / V) aqueous methanol solution. The dried and powdered product was used as a cacao extract component. The cocoa extract component contained 72% by weight of polyphenols.

LDL画分の調製及びLDL酸化抑制力の測定は、次の方法で行った。すなわち、健常な成人男女29名(平均年齢39才)の血漿を得た後、血漿からのLDLの分離をシングルスピン密度勾配遠心分離(417,000×g,40分,4℃)にて行った。得られた画分を2000倍容量の10mmol/Lリン酸塩緩衝液に対して4℃で一夜透析した。蛋白質濃度はシンコニン酸法によって決定した。
LDL酸化抑制力の測定は、蛋白質濃度100μg/mlのLDL画分にビタミンC(L−アスコルビン酸)またはカカオ抽出成分を添加した後、酸化開始剤として200μMのV−70(2−2´−アゾビス(4−メトキシ―2,4−ジメチルバレロニトリル);2−2´−azobis(4−methoxy―2,4−dimethylvaleronitrile))を混合して37℃で反応を行った。V−70添加時から波長234nmにおける吸光度が上昇を開始するまでの時間(ラグタイム)を測定し、LDL画分のみのサンプルのラグタイムを1とした時の各サンプルのラグタイムから1を減じた値を酸化遅延率としてLDL酸化抑制力の指標とした。結果を表1に示す。
Preparation of the LDL fraction and measurement of LDL oxidation inhibitory power were performed by the following methods. That is, after obtaining plasma of 29 healthy adult men and women (average age 39 years), LDL was separated from the plasma by single spin density gradient centrifugation (417,000 × g, 40 minutes, 4 ° C.). It was. The obtained fraction was dialyzed overnight at 4 ° C. against 2000 volumes of 10 mmol / L phosphate buffer. Protein concentration was determined by the cinchoninic acid method.
The LDL oxidation inhibitory power was measured by adding vitamin C (L-ascorbic acid) or a cacao extract component to the LDL fraction with a protein concentration of 100 μg / ml, and then adding 200 μM V-70 (2-2′-) as an oxidation initiator. Azobis (4-methoxy-2,4-dimethylvaleronitrile); 2-2'-azobis (4-methoxy-2,4-dimethylvaleronitrile)) was mixed and reacted at 37 ° C. Measure the time (lag time) from when V-70 is added to when the absorbance at wavelength 234 nm starts to rise, subtract 1 from the lag time of each sample when the lag time of the sample of only the LDL fraction is 1. The obtained value was used as an index of LDL oxidation inhibitory power as an oxidation delay rate. The results are shown in Table 1.

Figure 2006087352
上記試験例1の試験区7〜11では、同濃度のビタミンC又はカカオ抽出成分単独よりも酸化遅延率が増加し、しかも同濃度のビタミンCおよびカカオ抽出成分それぞれ単独での酸化遅延率の和よりも酸化遅延率が増しており、ビタミンCとカカオ抽出成分のLDL酸化抑制に対する相乗効果が認められた。
実施例および比較例
Figure 2006087352
In Test Groups 7 to 11 of Test Example 1, the oxidation delay rate increased as compared with the same concentration of vitamin C or the cacao extract component alone, and the sum of the oxidation delay rates of the same concentration of vitamin C and the cacao extract component alone. More than that, the synergistic effect of vitamin C and cacao extract component on the inhibition of LDL oxidation was recognized.
Examples and comparative examples

ココアパウダー(油分22重量%)5g、砂糖10gを温めた牛乳100mlによく溶かしてココアを作成した。これにビタミンC(L−アスコルビン酸)を添加して、10名の専門評価者によって味の評価を行った。結果を表2に示す。   Cocoa was prepared by dissolving 5 g of cocoa powder (22% by weight of oil) and 10 g of sugar in 100 ml of warm milk. Vitamin C (L-ascorbic acid) was added thereto, and the taste was evaluated by 10 professional evaluators. The results are shown in Table 2.

Figure 2006087352
この結果から、1杯(115g)当たりのビタミンC含有量が500mg以下であれば、風味上ココアとして許容できるものといえる。
Figure 2006087352
From this result, it can be said that if the vitamin C content per serving (115 g) is 500 mg or less, it is acceptable as cocoa for flavor.

本発明は経口摂取する組成物全般に利用できるが、なかでも飲食物としてのカカオ豆加工品への利用に適し、特に摂取のし易さからココアが好ましい。   Although the present invention can be used for all compositions to be taken orally, it is particularly suitable for use as a processed product of cocoa beans as food and drink, and cocoa is particularly preferred from the viewpoint of ease of consumption.

Claims (4)

ビタミンCとカカオ抽出成分を含有した、LDL酸化抑制力の増強された組成物。 A composition having enhanced LDL oxidation-suppressing power, comprising vitamin C and a cacao extract component. 酸化抑制作用を有するものであることを特徴とし、健康維持を助けるものである旨の表示を付した請求項1に記載の組成物。 The composition according to claim 1, wherein the composition has an oxidation-inhibiting action, and is labeled as an aid for maintaining health. 組成物がココアである請求項1または2の何れか一項に記載の組成物。 The composition according to any one of claims 1 and 2, wherein the composition is cocoa. ココア115g当たり12〜500mgのビタミンCを含む請求項3に記載のココア。 4. Cocoa according to claim 3, comprising 12 to 500 mg of vitamin C per 115 g of cocoa.
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03195456A (en) * 1989-11-07 1991-08-27 Procter & Gamble Co:The Beverage with dried stable chocolate containing iron and vitamin c therein
JPH09206026A (en) * 1996-02-08 1997-08-12 Meiji Seika Kaisha Ltd Beverage or food for stimulating prevention of stress and formation of adaptability
JPH09205991A (en) * 1996-01-29 1997-08-12 Hideaki Katsura Cocoa beverage powder, cocoa beverage and production of cocoa beverage
JP2000501622A (en) * 1996-08-29 2000-02-15 ザ プロクター アンド ギャンブル カンパニー Use of a bilayer-forming emulsifier in a nutritional composition comprising a divalent metal salt
JP2000139409A (en) * 1998-11-16 2000-05-23 Taiyo Kagaku Co Ltd Water-soluble vitamin-enhanced food
JP2003530410A (en) * 2000-04-14 2003-10-14 マーズ インコーポレイテッド Compositions and methods for improving vascular health
JP3568201B1 (en) * 2002-07-29 2004-09-22 株式会社東洋新薬 Health foods and beverages

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03195456A (en) * 1989-11-07 1991-08-27 Procter & Gamble Co:The Beverage with dried stable chocolate containing iron and vitamin c therein
JPH09205991A (en) * 1996-01-29 1997-08-12 Hideaki Katsura Cocoa beverage powder, cocoa beverage and production of cocoa beverage
JPH09206026A (en) * 1996-02-08 1997-08-12 Meiji Seika Kaisha Ltd Beverage or food for stimulating prevention of stress and formation of adaptability
JP2000501622A (en) * 1996-08-29 2000-02-15 ザ プロクター アンド ギャンブル カンパニー Use of a bilayer-forming emulsifier in a nutritional composition comprising a divalent metal salt
JP2000139409A (en) * 1998-11-16 2000-05-23 Taiyo Kagaku Co Ltd Water-soluble vitamin-enhanced food
JP2003530410A (en) * 2000-04-14 2003-10-14 マーズ インコーポレイテッド Compositions and methods for improving vascular health
JP3568201B1 (en) * 2002-07-29 2004-09-22 株式会社東洋新薬 Health foods and beverages
JP2005013208A (en) * 2002-07-29 2005-01-20 Toyo Shinyaku:Kk Healthy food and healthy drink

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