JP2015140325A - Collagenase inhibitor, and cosmetic composition and functional food which contain collagenase inhibitor - Google Patents

Collagenase inhibitor, and cosmetic composition and functional food which contain collagenase inhibitor Download PDF

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JP2015140325A
JP2015140325A JP2014015087A JP2014015087A JP2015140325A JP 2015140325 A JP2015140325 A JP 2015140325A JP 2014015087 A JP2014015087 A JP 2014015087A JP 2014015087 A JP2014015087 A JP 2014015087A JP 2015140325 A JP2015140325 A JP 2015140325A
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extract
collagenase
rice bran
collagenase inhibitor
solvent
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JP6544503B2 (en
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友彰 川口
Tomoaki Kawaguchi
友彰 川口
征次 阿部
Seiji Abe
征次 阿部
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NLA KK
Fukuoka Prefecture
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Fukuoka Prefecture
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Abstract

PROBLEM TO BE SOLVED: To provide a novel collagenase inhibitor which is not known conventionally and to provide an application article thereof.SOLUTION: The invention provides a collagenase inhibitor containing a solvent extract of a rice koji in which at least one kind selected from Aspergillus kawachii and Aspergillus awamori is bred. The collagenase inhibitor concerned has an excellent collagenase inhibition activity, and has little toxicity and irritation to a human body. Therefore, it can be used for the application of cosmetic composition, functional food, and the like.

Description

本発明は、コラゲナーゼの活性阻害作用を有する新規なコラゲナーゼ阻害剤及びその応用品に関する。   The present invention relates to a novel collagenase inhibitor having an activity of inhibiting collagenase activity and an application product thereof.

皮膚の水分保持性、柔軟性又は弾力性は、真皮に含まれるコラーゲン等の細胞外マトリックス成分に起因しており、コラーゲンの減少又は分解は、皮膚老化の原因である。
真皮線維芽細胞より産生されるコラゲナーゼはコラーゲンの分解する酵素であり、コラゲナーゼの活性を抑制し、皮膚の弾力や張りを維持するコラーゲンの変性を防止することが皮膚老化の防止に効果的である。
また、皮膚組織など美容系のみならず,癌転移においてもコラゲナーゼが活性化することが知られており、コラゲナーゼ阻害による癌転移抑制効果が期待されている。
Skin moisture retention, flexibility, or elasticity is attributed to extracellular matrix components such as collagen contained in the dermis, and collagen reduction or degradation is a cause of skin aging.
Collagenase produced from dermal fibroblasts is an enzyme that degrades collagen. It is effective in preventing skin aging by inhibiting collagenase activity and preventing collagen degeneration that maintains skin elasticity and tension. .
Moreover, it is known that collagenase is activated not only in cosmetic systems such as skin tissues but also in cancer metastasis, and an effect of suppressing cancer metastasis by inhibiting collagenase is expected.

これまでにコラゲナーゼの活性阻害作用を有する成分として、様々な報告がなされており、例えば、アセロラ種子抽出物(特許文献1)、特許文献2ではハマメリス抽出物(特許文献2)、ジャガイモ抽出物(特許文献3)、ウェルウィッチア科植物の抽出物(特許文献4)、レッドクローバー(特許文献5)などが挙げられる。   So far, various reports have been made as components having an activity of inhibiting collagenase activity. For example, an acerola seed extract (Patent Document 1), Patent Document 2 includes a Hamamelis extract (Patent Document 2), a potato extract ( Patent Document 3), wellwitchia family plant extract (Patent Document 4), red clover (Patent Document 5), and the like.

特開2007−314552号公報JP 2007-314552 A 特開平8−283133号公報JP-A-8-283133 特開2010−208952号公報JP 2010-208952 A 特開2007−246490号公報JP 2007-246490 A 特開2003−48846号公報JP 2003-48846 A

しかしながら、麹菌発酵物を利用したコラゲナーゼ阻害剤についての研究はほとんど進んでいなかった。
かかる状況下、本発明の目的は、従来知られていなかった、新規のコラゲナーゼ阻害剤、及びその応用品を提供することである。
However, little research has been done on collagenase inhibitors using gonococcal fermented products.
Under such circumstances, an object of the present invention is to provide a novel collagenase inhibitor that has not been known so far, and an application product thereof.

本発明者は、上記課題を解決すべく、皮膚外用剤、化粧料、飲食品などの分野に幅広く応用が可能なコラゲナーゼ阻害作用を有する物質を得るために、天然由来の種々の物質について検討を行った。その結果、焼酎の製造に使用される白麹菌(Aspergillus kawachii)や黒麹菌(Aspergillus awamori)を繁殖させた米麹の溶媒抽出物が、優れたコラゲナーゼ阻害作用を有することを見出し、本発明に至った。   In order to solve the above problems, the present inventor has studied various naturally-derived substances in order to obtain substances having a collagenase inhibitory action that can be widely applied in the fields of external preparations for skin, cosmetics, foods and drinks, and the like. went. As a result, it was found that a solvent extract of rice bran bred with Aspergillus kawachii and Aspergillus awamori used in the production of shochu has an excellent collagenase inhibitory action, leading to the present invention. It was.

すなわち、本発明は、以下の発明に係るものである。
<1> 白麹菌(Aspergillus kawachii)及び黒麹菌(Aspergillus awamori)から選択される少なくとも1種を繁殖させた米麹の溶媒抽出物を含有するコラゲナーゼ阻害剤。
<2> 前記米麹が、白麹菌(Aspergillus kawachii)を繁殖させた米麹である前記<1>に記載のコラゲナーゼ活性阻害剤。
<3> 前記溶媒抽出物が、前記米麹と、水、エタノール及び1,3−ブチレングリコールから選択される1種以上を主溶媒として含有する抽出溶媒とを接触させ、前記米麹に含有される成分を抽出して得られる抽出物である前記<1>または<2>に記載のコラゲナーゼ阻害剤。
<4> 前記抽出溶媒が、水及び1,3−ブチレングリコールから選択される1種以上である前記<3>に記載のコラゲナーゼ阻害剤。
<5> 前記<1>から<4>のいずれかに記載のコラゲナーゼ阻害剤を配合してなることを特徴とする化粧料組成物。
<6> 前記<1>から<4>のいずれかに記載のコラゲナーゼ阻害剤を配合してなることを特徴とする機能性食品。
That is, the present invention relates to the following inventions.
<1> A collagenase inhibitor comprising a solvent extract of rice bran which has been bred with at least one selected from Aspergillus kawachii and Aspergillus awamori.
<2> The collagenase activity inhibitor according to <1>, wherein the rice bran is a rice bran obtained by breeding Aspergillus kawachii.
<3> The solvent extract is contained in the rice bran by bringing the rice bran into contact with an extraction solvent containing one or more selected from water, ethanol and 1,3-butylene glycol as a main solvent. The collagenase inhibitor according to <1> or <2>, wherein the collagenase inhibitor is an extract obtained by extracting a component.
<4> The collagenase inhibitor according to <3>, wherein the extraction solvent is at least one selected from water and 1,3-butylene glycol.
<5> A cosmetic composition comprising the collagenase inhibitor according to any one of <1> to <4>.
<6> A functional food comprising the collagenase inhibitor according to any one of <1> to <4>.

本発明によれば、優れたコラゲナーゼ阻害作用を有するコラゲナーゼ阻害剤、及び化粧料組成物及び機能性食品が提供される。   According to the present invention, a collagenase inhibitor having an excellent collagenase inhibitory action, a cosmetic composition and a functional food are provided.

実験例1、2の抽出物(白麹、抽出溶媒:水)のコラゲナーゼ阻害率を示す図である。It is a figure which shows the collagenase inhibition rate of the extract (white birch, extraction solvent: water) of Experimental example 1,2. 実験例3,4の抽出物(白麹、抽出溶媒:水-1,3−ブチレングリコール)のコラゲナーゼ阻害率を示す図である。It is a figure which shows the collagenase inhibition rate of the extract (Experimental Example 3 and 4) (white birch, extraction solvent: water-1, 3- butylene glycol). 実験例5〜7の抽出物(黒麹、抽出溶媒:水(実験例5)水-1,3−ブチレングリコール(実験例6,7))のコラゲナーゼ阻害率を示す図である。It is a figure which shows the collagenase inhibition rate of the extract of Experiment Examples 5-7 (black sea bream, extraction solvent: water (Experimental Example 5) water-1,3-butylene glycol (Experimental Examples 6, 7)). 加熱処理による実験例1,2の抽出物(白麹、抽出溶媒:水)のコラゲナーゼ阻害率の変化を示す図である。It is a figure which shows the change of the collagenase inhibition rate of the extract (white birch, extraction solvent: water) of Experimental example 1, 2 by heat processing.

以下、本発明について例示物等を示して詳細に説明するが、本発明は以下の例示物等に限定されるものではなく、本発明の要旨を逸脱しない範囲において任意に変更して実施できる。なお、本明細書において、「〜」という表現を用いた場合、その前後の数値または物理値を含む意味で用いることとする。   Hereinafter, the present invention will be described in detail with reference to examples and the like, but the present invention is not limited to the following examples and the like, and can be arbitrarily modified and implemented without departing from the gist of the present invention. In addition, in this specification, when the expression “to” is used, it is used in a sense including numerical values or physical values before and after that.

<コラゲナーゼ阻害剤>
本発明は、白麹菌(Aspergillus kawachii) 及び黒麹菌(Aspergillus awamori)から選択される少なくとも1種を繁殖させた米麹の溶媒抽出物を含有するコラゲナーゼ阻害剤(以下、「本発明の阻害剤」と記載する場合がある。)である。
<Collagenase inhibitor>
The present invention relates to a collagenase inhibitor (hereinafter referred to as “inhibitor of the present invention”) containing a solvent extract of rice bran breeding at least one selected from Aspergillus kawachii and Aspergillus awamori. May be described.).

本発明の阻害剤は、米に麹菌を繁殖させた米麹のうち、麹菌として白麹菌(Aspergillus kawachii)及び黒麹菌(Aspergillus awamori)から選択される少なくとも1種を繁殖させた米麹を使用していることに特徴があり、優れたコラゲナーゼ阻害作用を発現する。
以下、本発明の阻害剤について詳細に説明する。
The inhibitor of the present invention uses a rice bran obtained by breeding at least one selected from Aspergillus kawachii and Aspergillus awamori as a koji mold among rice koji produced by breeding koji mold on rice. And has an excellent collagenase inhibitory action.
Hereinafter, the inhibitor of the present invention will be described in detail.

(米麹)
本発明の阻害剤に含有される米麹は、麹菌として白麹菌(Aspergillus kawachii)を繁殖させた米麹(以下、「米麹(白麹菌)」と記載する場合がある。)または、黒麹菌(Aspergillus awamori)を繁殖させた米麹(以下、「米麹(黒麹菌)」と記載する場合がある。)、また、白麹菌と黒麹菌の両方を繁殖させた米麹である。なお、以下、これらを総称して「本発明の米麹」と記載する場合がある。本発明の米麹のうち、色素の観点からより好ましくは米麹(白麹菌)である。
(Malted rice)
The rice bran contained in the inhibitor of the present invention is a rice bran obtained by breeding aspergillus aspergillus (Aspergillus kawachii) (hereinafter may be referred to as “rice bran (bacilli))” or black koji mold. Rice bran (Aspergillus awamori) was bred (hereinafter sometimes referred to as “rice bran (black koji mold)”), and rice bran was used to breed both white koji mold and black koji mold. Hereinafter, these may be collectively referred to as “rice koji of the present invention”. Of the rice bran of the present invention, rice bran (birch) is more preferable from the viewpoint of pigment.

白麹菌(Aspergillus kawachii)は、黒麹菌(Aspergillus awamori)の突然変異株であり、焼酎の製造に使用されている麹菌である。
米麹(白麹菌)や米麹(黒麹菌)の溶媒抽出物が優れたコラゲナーゼ阻害作用を発現することについての作用機序の詳細は現段階では詳細は完全に明らかではないが、米麹(白麹菌)や米麹(黒麹菌)の抽出物を加熱して、含まれる酵素を失活させても、あるいはろ過によって抽出物から白麹菌を除去してもコラゲナーゼ阻害活性が認められるため、麹の白麹菌や黒麹菌による低分子産生物が実質的な有効成分である可能性がある。
Aspergillus kawachii is a mutant strain of Aspergillus awamori and is a koji mold used for the production of shochu.
Although the details of the mechanism of action of the solvent extract of rice bran (white koji mold) and rice koji (black koji mold) exhibiting an excellent collagenase inhibitory effect are not completely clear at this stage, Even if the extract of Bacillus subtilis) or rice bran (Kuro-Koji) is heated to inactivate the contained enzyme, or even if it is removed from the extract by filtration, collagenase inhibitory activity is observed. There is a possibility that low molecular weight products of Shirakaba and Kuro-Koji are substantial active ingredients.

一方、白麹菌および黒麹菌以外の麹菌を繁殖させた米麹の抽出物、例えば、清酒製造に使用される黄麹菌(Aspergillus oryzae)を繁殖させた米麹の水抽出物では、コラゲナーゼ阻害作用が認められない、あるいはコラゲナーゼ阻害作用が米麹(白麹菌)の抽出物や米麹(黒麹菌)の場合と比較して極めて小さい。   On the other hand, an extract of rice bran that has been propagated with koji molds other than birch and black koji molds, for example, an aqueous extract of rice bran that has been propagated with Aspergillus oryzae used in sake production, has a collagenase inhibitory effect. It is not recognized, or the collagenase inhibitory action is extremely small as compared with the extract of rice bran (white koji mold) or rice koji (black koji mold).

米麹の原料である米類としては、玄米、ウルチ米、精白米等が挙げられる。これらは必要に応じて、適当な大きさに粉砕して使用してもよい。
米類は、固めに炊く、あるいは蒸したのちに、白麹菌や黒麹菌を繁殖させて本発明に係る米麹とする。
好適な一例を挙げると、精白米を水で精米した後、冷水に浸漬する。その後、余計な水切りを行い、精白米を蒸しあげる。蒸しあがった精白米の水分を飛ばし、麹菌(白麹菌、黒麹菌)を混ぜ込んでいく。次に麹菌を混ぜた精白米を35〜40℃で18時間保温し、その後、麹菌が付着した精白米を均一に広げ34℃で6時間保温する。これを2回繰り返し、麹を製造する。
Examples of rice that is a raw material for rice bran include brown rice, uruchi rice, and polished rice. These may be used after being pulverized to an appropriate size as required.
After rice is cooked or steamed, white rice and black koji are propagated to obtain rice koji according to the present invention.
As a preferred example, polished rice is polished with water and then immersed in cold water. After that, drain extra water and steam the polished rice. Drain the water from the steamed polished rice and mix the koji mold (white koji mold, black koji mold). Next, the polished rice mixed with koji mold is kept warm at 35 to 40 ° C. for 18 hours, and then the polished rice to which the koji mold is adhered is spread uniformly and kept at 34 ° C. for 6 hours. This is repeated twice to produce cocoons.

本発明の阻害剤において、本発明の米麹の溶媒抽出物(以下、単に「抽出物」と記載する場合がある。)とは、抽出対象となる本発明の米麹を、溶媒に接触させることで、米麹中の酵素による米麹成分の分解ならびに抽出などして、有効成分の含有量を高めた形態のものを総括した概念である。本発明の阻害剤における抽出物は、具体的には、本発明の米麹を抽出原料として得られる抽出液、該抽出液の希釈液若しくは濃縮液、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。また、液状の抽出物を乾燥して得られる乾燥物も、本発明における抽出物に該当するものとする。   In the inhibitor of the present invention, the rice bran solvent extract of the present invention (hereinafter sometimes simply referred to as “extract”) refers to bringing the rice bran of the present invention to be extracted into contact with a solvent. Thus, it is a concept that summarizes the forms in which the content of the active ingredient is increased by decomposing and extracting the rice bran ingredients by enzymes in the rice bran. Specifically, the extract in the inhibitor of the present invention is any of an extract obtained by using the rice bran of the present invention as an extraction raw material, a diluted solution or a concentrated solution of the extract, or a crudely purified product or a purified product thereof. Is also included. A dried product obtained by drying a liquid extract also corresponds to the extract in the present invention.

抽出物は、乾燥物を除くいずれの場合においても、必要に応じて、不溶分を除去するために、透析、限外ろ過、ろ過、カラムクロマトグラフィー等による前処理を行ってもよい。ろ過による除去の場合には、必要に応じて、不純物を除去するために活性炭、ベントナイト、セライト等の吸着剤やろ過助剤を添加してもよい。特に抽出液の状態で用いる場合には、メンブレンフィルター等による除菌ろ過を併せて行うことが好ましい。   In any case except the dried product, the extract may be pretreated by dialysis, ultrafiltration, filtration, column chromatography or the like, as necessary, in order to remove insoluble matter. In the case of removal by filtration, an adsorbent such as activated carbon, bentonite, or celite or a filter aid may be added as necessary to remove impurities. In particular, when used in the state of an extract, it is preferable to perform sterilization filtration using a membrane filter or the like.

抽出物は、必要に応じて任意の公知の方法で精製してもよく、必要に応じて、医薬および食品分野において許容される塩、誘導体または溶媒和物等に変換してもよい。   The extract may be purified by any known method as necessary, and may be converted into a salt, derivative, solvate or the like that is acceptable in the pharmaceutical and food fields, if necessary.

抽出物を溶媒抽出で得る場合、抽出溶媒としては、本発明の米麹に含有されるコラゲナーゼ阻害作用を発現する有効成分を抽出できるものであればよい。具体例としては、水、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の多価アルコールなどが挙げられる。なお、抽出溶媒として使用し得る水には、精製水、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。
これらの抽出溶媒は単独又はこれら2種以上の混合物として使用することができ、2種以上の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。
When the extract is obtained by solvent extraction, the extraction solvent may be any one that can extract an active ingredient that expresses a collagenase inhibitory action contained in the rice bran of the present invention. Specific examples include lower alcohols having 1 to 5 carbon atoms such as water, methanol, ethanol, propyl alcohol, and isopropyl alcohol; lower aliphatic ketones such as acetone and methyl ethyl ketone; 1,3-butylene glycol, propylene glycol, glycerin, and the like. Examples thereof include polyhydric alcohols having 2 to 5 carbon atoms. The water that can be used as the extraction solvent includes purified water, ion exchange water, physiological saline, phosphate buffer, phosphate buffered saline, and the like.
These extraction solvents can be used alone or as a mixture of two or more thereof. When a mixture of two or more solvents is used as the extraction solvent, the mixing ratio can be appropriately adjusted.

なお、抽出溶媒には、本発明の効果を損なわない範囲で添加剤を含んでいてもよい。例えば、pH調整剤、粘度調整剤などが挙げられる。   The extraction solvent may contain an additive as long as the effects of the present invention are not impaired. For example, a pH adjuster, a viscosity adjuster, etc. are mentioned.

本発明に係る抽出物において、本発明の米麹と、抽出溶媒とを接触させ、前記米麹に含有される成分を抽出して得られる抽出物であることが好ましい。
抽出溶媒としては、水、エタノール及び1,3−ブチレングリコールから選択される1種以上を主溶媒として含有する抽出溶媒であることが好ましい。ここで、「主溶媒」とは溶媒全量の50体積%以上(100体積%含む)を占める溶媒を意味する。
The extract according to the present invention is preferably an extract obtained by bringing the rice bran of the present invention into contact with an extraction solvent and extracting the components contained in the rice bran.
The extraction solvent is preferably an extraction solvent containing, as a main solvent, one or more selected from water, ethanol, and 1,3-butylene glycol. Here, the “main solvent” means a solvent occupying 50% by volume (including 100% by volume) of the total amount of the solvent.

抽出溶媒としては、特に水及び1,3−ブチレングリコールから選択される1種以上であることが好ましい。水と1,3−ブチレングリコールとの割合は任意であるが、好適には、1,3−ブチレングリコール基準濃度で、0重量%〜50重量%である。
このような抽出溶媒であれば、得られる抽出物は、他の溶媒で抽出した場合と比較して、より優れたコラゲナーゼに対する活性阻害作用を有する。
The extraction solvent is particularly preferably at least one selected from water and 1,3-butylene glycol. Although the ratio of water and 1,3-butylene glycol is arbitrary, it is preferably 0% by weight to 50% by weight based on the 1,3-butylene glycol reference concentration.
If it is such an extraction solvent, the obtained extract has the activity inhibitory action with respect to collagenase more excellent compared with the case where it extracts with another solvent.

本発明の米麹に対する抽出溶媒の量は特に制限はないが、通常、米麹(白麹菌)に対して重量比で3〜100倍量程度である。抽出溶媒が水の場合には、米麹(白麹菌)に対して重量比で5〜20倍量であることが好ましく、1,3−ブチレングリコールである場合には5〜20倍量であることが好ましい。米麹(黒麹菌)の場合も米麹(白麹菌)の場合と同様である。   Although the quantity of the extraction solvent with respect to the rice bran of this invention does not have a restriction | limiting in particular, Usually, it is about 3-100 times amount by weight ratio with respect to a rice bran (white koji mold). When the extraction solvent is water, it is preferably 5 to 20 times the weight of rice bran (white mold), and when it is 1,3-butylene glycol, it is 5 to 20 times the amount. It is preferable. The case of rice bran (black gonococcus) is the same as that of rice bran (white gonococcus).

本発明の米麹から溶媒抽出物を抽出する方法は特に限定されず、常法に従って行なれる。例えば、米麹(白麹菌)と、抽出溶媒とを互いに充分に攪拌し混合後、米麹(白麹菌)から溶媒中に、有効成分が十分に抽出されるまで一定期間静置する。抽出時間は、抽出溶媒の種類や、米麹(白麹菌)と抽出溶媒との割合を考慮し適宜選択されるが、抽出溶媒が水の場合は1〜3時間であり、1,3−ブチレングリコールの場合は1〜3時間である。米麹(黒麹菌)の場合も米麹(白麹菌)の場合と同様である。
また、抽出物に含まれる残渣を取り除くため、濾過や遠心分離を行ってもよい。また、得られた抽出液はそのまま利用してもよいが、常法に従って希釈、濃縮、乾燥、精製等の処理を施してもよい。
なお、この抽出操作は品質劣化を避けるために常温で行うのが好ましいが、抽出効率を上げるために加温状態にして行うことも可能である。加温により米麹のデンプンやタンパク質などが分解され豊富な栄養成分(アミノ酸・糖など)を抽出液中に含有させることができる。また、必要に応じて抽出物の割合を高めるため、減圧濃縮や凍結乾燥により溶媒除去してもよい。
The method for extracting the solvent extract from the rice bran of the present invention is not particularly limited, and can be performed according to a conventional method. For example, rice bran (birch) and the extraction solvent are sufficiently stirred and mixed with each other, and then allowed to stand for a certain period until the active ingredient is sufficiently extracted from the rice bran (birch) into the solvent. The extraction time is appropriately selected in consideration of the type of the extraction solvent and the ratio of rice bran (white mold) to the extraction solvent. When the extraction solvent is water, it is 1 to 3 hours, and 1,3-butylene. In the case of glycol, it is 1 to 3 hours. The case of rice bran (black gonococcus) is the same as that of rice bran (white gonococcus).
Moreover, in order to remove the residue contained in the extract, filtration or centrifugation may be performed. Moreover, although the obtained extract may be used as it is, it may be subjected to treatments such as dilution, concentration, drying and purification according to a conventional method.
This extraction operation is preferably performed at room temperature in order to avoid quality deterioration, but can also be performed in a warmed state in order to increase extraction efficiency. By heating, starch, protein, etc. of rice bran are decomposed and abundant nutritional components (amino acids, sugars, etc.) can be contained in the extract. Moreover, in order to raise the ratio of an extract as needed, you may remove a solvent by vacuum concentration or freeze-drying.

本発明に係る抽出物として、米麹(白麹菌)や米麹(黒麹菌)を水の混合物をろ過したもの、米麹(白麹菌)や米麹(黒麹菌)と水の混合物を加温後濾過したものが好適な一例として挙げられる。   As an extract according to the present invention, rice bran (white koji mold) or rice koji (black koji mold) obtained by filtering a mixture of water, rice koji (white koji mold) or rice bran (black koji mold) and water mixture are heated. What was post-filtered is mentioned as a suitable example.

本発明に係る抽出物は、コラゲナーゼ阻害作用を有すると共に、人体に対する毒性や刺激性が少ない。そのため、各種外用剤、服用剤、化粧料組成物、機能性食品等の用途に使用することができる。   The extract according to the present invention has a collagenase inhibitory action and is less toxic and irritating to the human body. Therefore, it can be used for various external preparations, medications, cosmetic compositions, functional foods and the like.

本発明の阻害剤として、米麹(白麹菌)や米麹(黒麹菌)の抽出物を、原液をそのまま用いても、濃縮して濃縮液として用いてもよく、原液あるいは濃縮液を希釈溶媒に溶解して使用してもよい。この希釈溶媒としては、コラゲナーゼ阻害作用を損なわないものが選択され、水、エチルアルコール、イソプロピルアルコール、グリセリン、プロピレングリコール、1,3−ブチレングリコール等を例示することができる。   As an inhibitor of the present invention, an extract of rice bran (white koji mold) or rice koji (black koji mold) may be used as it is, or may be concentrated and used as a concentrate. It may be used after being dissolved in. As the diluting solvent, those that do not impair the collagenase inhibitory action are selected, and water, ethyl alcohol, isopropyl alcohol, glycerin, propylene glycol, 1,3-butylene glycol and the like can be exemplified.

本発明の阻害剤によるコラゲナーゼ阻害作用は、当該阻害剤が含有する米麹(白麹菌)や米麹(黒麹菌)の抽出物の量に依存し、コラゲナーゼ阻害率が30%以上(好適には40%以上)となる範囲で決定される。
本発明の阻害剤は、特にコラゲナーゼ阻害作用が高いため、比較的低濃度(例えば、2〜10重量%)でもコラーゲンの分解抑制効果が期待できる。
Collagenase inhibitory action by the inhibitor of the present invention depends on the amount of rice bran (birch) or rice bran (black koji) extract contained in the inhibitor, and the collagenase inhibition rate is preferably 30% or more (preferably 40% or more).
Since the inhibitor of the present invention has a particularly high collagenase inhibitory action, it can be expected to have an effect of suppressing the degradation of collagen even at a relatively low concentration (for example, 2 to 10% by weight).

本発明のコラゲナーゼ阻害剤は、皮膚の老化の一因であるコラゲナーゼによるコラーゲンの分解を抑制することができるので、抗老化剤として使用できる可能性がある。ここで、「抗老化作用」とは、皮膚のしわ、たるみなどを有効に防止・改善などを含む概念である。   Since the collagenase inhibitor of the present invention can suppress the degradation of collagen by collagenase, which contributes to skin aging, it may be used as an anti-aging agent. Here, the “anti-aging effect” is a concept including effectively preventing and improving skin wrinkles and sagging.

本発明のコラゲナーゼ阻害剤の形態としては特に限定はないが、一般に皮膚に塗布する形の皮膚外用剤として用いられる場合には、液状やクリーム状である。この場合、コラゲナーゼ阻害剤は、必要に応じて、通常医薬品、医薬部外品に配合される、油性成分、可溶化剤、保湿剤、色素、乳化剤、増粘剤、香料等の任意の成分を含有することができる。また、本発明の効果を損なわない範囲で、他の薬効植物抽出物を添加してもよい。   The form of the collagenase inhibitor of the present invention is not particularly limited, but when used as a skin external preparation generally applied to the skin, it is liquid or creamy. In this case, the collagenase inhibitor is an optional component such as an oily component, a solubilizer, a moisturizer, a pigment, an emulsifier, a thickener, and a fragrance, which are usually blended in pharmaceuticals and quasi drugs. Can be contained. Moreover, you may add another medicinal plant extract in the range which does not impair the effect of this invention.

また、本発明のコラゲナーゼ阻害剤は、入浴剤、ボディーソープ、シャンプー等の入浴用組成物に配合して用いてもよい。剤型としては、一般に用いられる、水溶液、W/O型又はO/W型エマルション、適当な賦形剤等を用いて顆粒剤その他の粉末、錠剤等としてもよい。また、本発明の効果を損なわない範囲で、他の薬効植物抽出物を添加してもよい。   In addition, the collagenase inhibitor of the present invention may be used in a bath composition such as a bath agent, body soap, shampoo and the like. The dosage form may be a granule or other powder, tablet or the like using a commonly used aqueous solution, W / O type or O / W type emulsion, an appropriate excipient and the like. Moreover, you may add another medicinal plant extract in the range which does not impair the effect of this invention.

また、本発明のコラゲナーゼ阻害剤は経口用組成物とすることもできる。この場合、経口投与に利用される剤形としては、具体的には、固形製剤として、粉末剤、顆粒剤、錠剤、カプセル剤、トローチ等が挙げられる。また、液状製剤として内用液剤、外用液剤、懸濁剤、乳剤、シロップ剤等が例示され、これら剤形やその他の剤形が目的に応じて適宜選択される。また、必要に応じて、医薬品・医薬部外品・食品などに配合される任意の成分を含有することができる。また、本発明の効果を損なわない範囲で、他の薬効植物抽出物を添加してもよい。   Moreover, the collagenase inhibitor of this invention can also be used as an oral composition. In this case, specific examples of dosage forms used for oral administration include solid preparations, powders, granules, tablets, capsules, troches and the like. Examples of liquid preparations include internal liquids, external liquids, suspensions, emulsions, syrups and the like, and these and other dosage forms are appropriately selected according to the purpose. In addition, it can contain any component that is blended in pharmaceuticals, quasi-drugs, foods, and the like as necessary. Moreover, you may add another medicinal plant extract in the range which does not impair the effect of this invention.

<化粧料組成物>
本発明の化粧料組成物は、上記本発明のコラゲナーゼ阻害剤を配合してなることを特徴とする。上述の通り、本発明のコラゲナーゼ阻害剤に含まれる米麹(白麹菌)や米麹(黒麹菌)の抽出物は、コラゲナーゼ阻害作用を有し、かつ、各種化粧料基材及び化粧料添加物に対する安定性も高いため、化粧料組成物に好適に使用することができる。
<Cosmetic composition>
The cosmetic composition of the present invention is characterized in that it contains the collagenase inhibitor of the present invention. As described above, the rice bran (white koji) or rice koji (black koji) extract contained in the collagenase inhibitor of the present invention has a collagenase inhibitory action, and various cosmetic base materials and cosmetic additives. Therefore, it can be suitably used for a cosmetic composition.

化粧料組成物への本発明の阻害剤の配合割合は任意であるが、米麹(白麹菌)や米麹(黒麹菌)の抽出物の含有量として、化粧料組成物が抗老化作用を十分に発揮する範囲で適宜選択される。米麹(白麹菌)や米麹(黒麹菌)の抽出物の化粧料組成物に対する割合は、抽出物における溶媒の割合や溶媒の種類等にもよるが、例えば、化粧料組成物の形態がジェルの場合は2〜50重量%程度、形態が乳液の場合は2〜50重量%程度、形態がクリームの場合は2〜50重量%程度である。   The blending ratio of the inhibitor of the present invention to the cosmetic composition is arbitrary, but the cosmetic composition has an anti-aging action as the content of the extract of rice bran (white koji mold) or rice koji (black koji mold). It is appropriately selected within a range where it can be sufficiently exhibited. The ratio of the rice bran (white koji mold) or rice koji (black koji mold) extract to the cosmetic composition depends on the ratio of the solvent in the extract, the type of solvent, and the like. For example, the form of the cosmetic composition is In the case of a gel, it is about 2 to 50% by weight, in the case where the form is an emulsion, it is about 2 to 50% by weight, and in the case where the form is a cream, it is about 2 to 50% by weight.

本発明の化粧料組成物は、慣用の化粧料基材を適宜配合し、所望の剤型とすることができる。その形態は特に制限はないが、ジェル、乳液、クリーム等の形態が挙げられる。   The cosmetic composition of the present invention can be made into a desired dosage form by appropriately blending a conventional cosmetic base material. The form is not particularly limited, and examples thereof include gels, emulsions, and creams.

化粧料基材としては、目的とする剤型に合わせて、水、水溶性有機溶媒、油脂、ロウ、高級脂肪酸、高級アルコール、エステル類等の従来公知の化粧料基材が適宜選択される。
また、本発明の化粧料組成物には、本発明の効果を損なわない範囲で通常化粧料や皮膚外用医薬で使用される任意の成分を添加することができる。かかる任意成分の具体例としては、増粘・ゲル化剤、酸化防止剤、紫外線吸収剤、色素剤、金属封鎖剤、防腐剤、pH調整剤、香料、ミツロウ等が挙げられる。これら任意成分の配合割合は、その目的に応じて適宜選択して決定することができる。また、本発明の効果を損なわない範囲で、他の薬効植物抽出物を添加してもよい。
As the cosmetic base material, conventionally known cosmetic base materials such as water, water-soluble organic solvents, fats and oils, waxes, higher fatty acids, higher alcohols, and esters are appropriately selected according to the intended dosage form.
Moreover, in the cosmetic composition of this invention, the arbitrary components normally used by cosmetics and a skin external medicine can be added in the range which does not impair the effect of this invention. Specific examples of such optional components include thickening / gelling agents, antioxidants, ultraviolet absorbers, pigments, metal sequestering agents, preservatives, pH adjusters, fragrances, beeswax and the like. The blending ratio of these optional components can be selected and determined as appropriate according to the purpose. Moreover, you may add another medicinal plant extract in the range which does not impair the effect of this invention.

<機能性食品>
一方、日常的に飲食することで、本発明のコラゲナーゼ阻害剤を摂取したい場合には、該食品、飲料に含有させて機能性食品としてもよい。
ここでいう「機能性食品」とは、一般食品に加えて、健康食品、栄養補助食品、栄養機能食品等、健康の維持の目的で摂取する食品および/又は飲料を意味している。なお、機能性食品として製品化する場合には、食品に用いられる様々な添加剤、具体的には、着色料、保存料、増粘安定剤、酸化防止剤漂白剤、防菌防黴剤、酸味料、調味料、乳化剤、強化剤、製造用剤、香料等を添加していてもよい。
<Functional food>
On the other hand, when it is desired to ingest the collagenase inhibitor of the present invention by eating and drinking on a daily basis, it may be contained in the food or beverage as a functional food.
The “functional food” as used herein means foods and / or beverages ingested for the purpose of maintaining health, such as health foods, nutritional supplements, and nutritional functional foods, in addition to general foods. In addition, when commercializing as a functional food, various additives used in food, specifically, coloring agents, preservatives, thickening stabilizers, antioxidant bleaching agents, antibacterial and antifungal agents, A sour agent, a seasoning, an emulsifier, a reinforcing agent, a manufacturing agent, a fragrance and the like may be added.

本発明の機能性食品の対象となる、食品、飲料は特に限定されるものではない。例えば、食品として、ソーセージ、ハム、魚介加工品、ゼリー、キャンディー、チューインガムなどの食品類が挙げられる。また、飲料としては、各種の茶類、清涼飲料水、酒類、栄養ドリンクなどが挙げられる。この中でも、茶、ゼリーであることが特に好ましい。
本発明のコラゲナーゼ阻害剤は、このような食品、飲料に添加することにより、簡易に経口摂取することができる。
The foods and beverages that are the targets of the functional food of the present invention are not particularly limited. Examples of food include foods such as sausage, ham, processed seafood, jelly, candy, and chewing gum. Examples of the beverage include various teas, soft drinks, alcoholic beverages, and energy drinks. Among these, tea and jelly are particularly preferable.
The collagenase inhibitor of the present invention can be easily taken orally by adding to such foods and beverages.

以下、実施例により本発明を更に詳細に説明するが、本発明は、その要旨を変更しない限り以下の実施例に限定されるものではない。なお、以下において、「1,3−ブチレングリコール」を「BG」と記載する場合がある。   EXAMPLES Hereinafter, although an Example demonstrates this invention further in detail, this invention is not limited to a following example, unless the summary is changed. In the following, “1,3-butylene glycol” may be referred to as “BG”.

<米麹(白麹菌)>
白麹菌(Aspergillus kawachii)を繁殖させた米麹は、株式会社ビオックから入手した白麹K型菌を用いて製造した。
<米麹(黒麹菌)>
黒麹菌(Aspergillus awamori)を繁殖させた米麹は、株式会社ビオックから入手した泡盛用黒麹種菌を用いて製造した。
<Rice bran (white mold)>
A rice bran with which white birch (Aspergillus kawachii) was propagated was produced using white birch K-type fungus obtained from Bioc Co., Ltd.
<Rice bran (Koji mold)>
The rice bran with which Aspergillus awamori was propagated was produced using the black potato inoculum for awamori obtained from Bioc Co., Ltd.

<コラゲナーゼ阻害率の評価方法>
〔試薬の調製〕
基質溶液:
Pzペプチド(BACHEM社製)3.9mgを、0.1Mトリス塩酸緩衝液(pH7.1、含20mM塩化カルシウム)10mLに溶解して使用した(0.5mMに相当)。
酵素溶液:コラゲナーゼ(TYPE IV、SIGMA-ALDRICH社製)5mgを緩衝液1mLに溶解させ20μLずつ分注し、−80℃で保管する。使用時に緩衝液で50倍に希釈して反応に用いた。
<Method for evaluating collagenase inhibition rate>
(Preparation of reagents)
Substrate solution:
3.9 mg of Pz peptide (manufactured by BACHEM) was dissolved in 10 mL of 0.1 M Tris-HCl buffer (pH 7.1, containing 20 mM calcium chloride) and used (corresponding to 0.5 mM).
Enzyme solution: 5 mg collagenase (TYPE IV, manufactured by SIGMA-ALDRICH) is dissolved in 1 mL of buffer solution, dispensed in 20 μL aliquots, and stored at −80 ° C. At the time of use, it was diluted 50 times with a buffer and used for the reaction.

〔コラゲナーゼ阻害作用の測定法〕
これらの試料溶液50μL、コラゲナーゼ溶液50μL及び基質溶液400μLを混合し、37℃で30分間反応させた。次いで、25mMクエン酸溶液1mLで反応を停止し、酢酸エチル5mLで抽出した。遠心分離(1600g、10分間)後、酢酸エチルを対照として、酢酸エチル層の波長320nmにおける吸光度を測定した。対照には、試料溶液の代わりに各抽出溶媒を用い、また、それぞれのブランクとして、酵素溶液の代わりに超純水を加えて同様の操作を行った。これらの値からコラゲナーゼ阻害率を次式により算出した。

コラゲナーゼ阻害率(%)=〔1−(A−B)/(C−D)〕×100
但し、A:試料溶液の320nmにおける吸光度、
B:試料溶液ブランクの320nmにおける吸光度、
C:対照溶液の320nmにおける吸光度、
D:対照溶液ブランクの320nmにおける吸光度である。
[Method for measuring collagenase inhibitory action]
These sample solutions 50 μL, collagenase solution 50 μL, and substrate solution 400 μL were mixed and reacted at 37 ° C. for 30 minutes. The reaction was then stopped with 1 mL of 25 mM citric acid solution and extracted with 5 mL of ethyl acetate. After centrifugation (1600 g, 10 minutes), the absorbance of the ethyl acetate layer at a wavelength of 320 nm was measured using ethyl acetate as a control. For the control, each extraction solvent was used in place of the sample solution, and as a blank, ultrapure water was added instead of the enzyme solution, and the same operation was performed. From these values, the collagenase inhibition rate was calculated by the following equation.

Collagenase inhibition rate (%) = [1- (AB) / (CD)] × 100
Where A: absorbance at 320 nm of the sample solution,
B: Absorbance at 320 nm of the sample solution blank,
C: absorbance of the control solution at 320 nm,
D: Absorbance at 320 nm of the control solution blank.

<1.米麹(白麹菌)(抽出溶媒:水)のコラゲナーゼ阻害作用の評価>
(実験例1)
抽出溶媒としての水(50mL)に、米麹(白麹菌)(5g)を浸漬し、室温で3時間静置した。遠心分離後、上澄みを濾過して、実験例1の抽出物を得た。
<1. Evaluation of Collagenase Inhibitory Action of Rice Bran (White Bacteria) (Extract Solvent: Water)>
(Experimental example 1)
Rice bran (white mold) (5 g) was immersed in water (50 mL) as an extraction solvent, and allowed to stand at room temperature for 3 hours. After centrifugation, the supernatant was filtered to obtain the extract of Experimental Example 1.

(実験例2)
抽出溶媒としての水(30mL)に、麹(白麹菌)(10g)を浸漬し、55℃で5時間静置した。遠心分離後、上澄みを濾過して、実験例2の抽出物を得た。
(Experimental example 2)
In water (30 mL) as an extraction solvent, koji (white bacterium) (10 g) was immersed and allowed to stand at 55 ° C. for 5 hours. After centrifugation, the supernatant was filtered to obtain the extract of Experimental Example 2.

(評価)
実験例1,2の抽出物について、上述の方法でコラゲナーゼの阻害率を評価した。結果を図1に示す。
(Evaluation)
About the extract of Experimental example 1 and 2, the inhibition rate of collagenase was evaluated by the above-mentioned method. The results are shown in FIG.

<2.米麹(白麹菌)(抽出溶媒:水-BG混合溶媒)のコラゲナーゼ阻害作用の評価>
(実験例3)
米麹(白麹菌)5gを、50重量%BG/水50mLに浸漬し、3時間攪拌した。遠心分離後、上澄みをろ過して得られた抽出液を実験例3の抽出物とした。
<2. Evaluation of Collagenase Inhibitory Action of Rice Bran (White Bacteria) (Extraction Solvent: Water-BG Mixed Solvent)>
(Experimental example 3)
5 g of rice bran (white koji) was immersed in 50 mL of 50% by weight BG / water and stirred for 3 hours. The extract obtained by filtering the supernatant after centrifugation was used as the extract of Experimental Example 3.

(実験例4)
抽出溶媒としての50重量%BG/水(30mL)に、麹(白麹菌)(10g)を浸漬し、55℃で5時間静置した。遠心分離後、上澄みを濾過して、実験例4の抽出物を得た。
(Experimental example 4)
In a 50 wt% BG / water (30 mL) as an extraction solvent, koji (white bacterium) (10 g) was immersed and allowed to stand at 55 ° C. for 5 hours. After centrifugation, the supernatant was filtered to obtain the extract of Experimental Example 4.

(評価)
実験例3,4の抽出物について、上述の方法でコラゲナーゼの阻害率を評価した。結果を図2に示す。
(Evaluation)
About the extract of Experimental example 3 and 4, the inhibition rate of collagenase was evaluated by the above-mentioned method. The results are shown in FIG.

<3.米麹(黒麹菌)のコラゲナーゼ阻害作用の評価>
(実験例5)
抽出溶媒としての水(50mL)に、米麹(黒麹菌)(5g)を浸漬し、室温で3時間静置した。遠心分離後、上澄みを濾過して、実験例5の抽出物を得た。
<3. Evaluation of Collagenase Inhibitory Action of Rice Bran (Koji Koji)>
(Experimental example 5)
Rice bran (black koji mold) (5 g) was immersed in water (50 mL) as an extraction solvent and allowed to stand at room temperature for 3 hours. After centrifugation, the supernatant was filtered to obtain the extract of Experimental Example 5.

(実験例6)
米麹(黒麹菌)5gを、50重量%BG/水50mLに浸漬し、3時間攪拌した。遠心分離後、上澄みをろ過して得られた抽出液を実験例6の抽出物とした。
(Experimental example 6)
5 g of rice bran (black koji mold) was immersed in 50 mL of 50% by weight BG / water and stirred for 3 hours. The extract obtained by filtering the supernatant after centrifugation was used as the extract of Experimental Example 6.

(実験例7)
抽出溶媒としての50重量%BG/水(30mL)に、麹(黒麹菌)(10g)を浸漬し、55℃で5時間静置した。遠心分離後、上澄みを濾過して、実験例7の抽出物を得た。
(Experimental example 7)
Koji (Kuro-Koji) (10 g) was immersed in 50 wt% BG / water (30 mL) as an extraction solvent and allowed to stand at 55 ° C. for 5 hours. After centrifugation, the supernatant was filtered to obtain the extract of Experimental Example 7.

(評価)
実験例5〜7の抽出物について、上述の方法でコラゲナーゼの阻害率を評価した。結果を図3に示す。
(Evaluation)
About the extract of Experimental Examples 5-7, the inhibition rate of collagenase was evaluated by the above-mentioned method. The results are shown in FIG.

<4.加熱処理によるコラゲナーゼ阻害作用への影響>
上記実験例1,2の抽出物を、沸騰水中で、1分加熱して、加熱前後の実験例1,2の抽出物によるコラゲナーゼ阻害率を比較した。結果を図4に示す。
本実験は、米麹(白麹菌)の抽出物にみられるコラゲナーゼ阻害活性に、米麹抽出物中に存在する菌体あるいは白麹菌が生産した酵素群が関与するかを調べるために行ったものである。加熱により菌体および酵素を失活させた抽出物においてもコラゲナーゼ阻害活性が認められたため、菌体および酵素は関与しないことが分かった。
<4. Effect of heat treatment on collagenase inhibitory action>
The extracts of Experimental Examples 1 and 2 were heated in boiling water for 1 minute, and the collagenase inhibition rates by the extracts of Experimental Examples 1 and 2 before and after heating were compared. The results are shown in FIG.
This experiment was conducted to investigate whether the collagenase inhibitory activity found in the rice bran (birch) extract is related to the cells present in the rice bran extract or the enzyme group produced by the white koji mold. It is. Collagenase inhibitory activity was also observed in the extract in which the cells and enzyme were inactivated by heating, and it was found that the cells and enzyme were not involved.

<5.米麹(白麹菌)抽出物のエラスターゼ阻害作用の評価>
参考例として、上記実験例4の米麹(白麹菌)抽出物を使用して、エラスターゼ阻害作用の評価を行った。
<5. Evaluation of Elastase Inhibitory Action of Rice Bran (White Bacteria) Extract>
As a reference example, the elastase inhibitory action was evaluated using the rice bran (white koji) extract of Experimental Example 4 above.

〔エラスターゼ活性阻害率の評価方法〕
エラスターゼ活性阻害作用は、ブタ膵臓由来エラスターゼ(SIGMA-ALDRICH社製)および合成基質スクシニル-L-アラニル-L-アラニル-L-アラニン-p-ニトロアニリド)(SIGMA-ALDRICH社製)を用いて評価した。基質をジメチルスルホキシドで0.05Mに調整し、使用時に、0.2M Tris-HCl緩衝液(pH8.0)で10倍希釈した5mM溶液を使用した。酵素は0.2M Tris-HCl緩衝液(pH8.0)で10μg/mLに調製した。基質50μLを酵素100μLおよび試料50μLとともに37℃で8分間反応させ、その後、吸光度405nmで測定した(A)。さらに酵素を添加せずに緩衝液を加えて同様の操作と測定を行った(B)。同様の測定を、試料を添加せずに抽出溶媒を加えて実施した(C、D)。上記方法で吸光度を求め、次式により、阻害率を算出した。

エラスターゼ活性阻害率(%)=[1−(A−B)/(C−D)] × 100

但し、A:試料溶液の405nmにおける吸光度、
B:試料溶液ブランクの405nmにおける吸光度、
C:対照溶液の405nmにおける吸光度、
D:対照溶液ブランクの405nmにおける吸光度である。
[Evaluation method of elastase activity inhibition rate]
Elastase activity inhibitory action was evaluated using porcine pancreatic elastase (SIGMA-ALDRICH) and synthetic substrate succinyl-L-alanyl-L-alanyl-L-alanine-p-nitroanilide (SIGMA-ALDRICH). did. The substrate was adjusted to 0.05 M with dimethyl sulfoxide, and a 5 mM solution diluted 10-fold with 0.2 M Tris-HCl buffer (pH 8.0) was used at the time of use. The enzyme was adjusted to 10 μg / mL with 0.2 M Tris-HCl buffer (pH 8.0). 50 μL of the substrate was reacted with 100 μL of the enzyme and 50 μL of the sample at 37 ° C. for 8 minutes, and then the absorbance was measured at 405 nm (A). Further, a buffer solution was added without adding the enzyme, and the same operation and measurement were performed (B). The same measurement was performed by adding an extraction solvent without adding a sample (C, D). Absorbance was calculated | required with the said method, and the inhibition rate was computed by following Formula.

Elastase activity inhibition rate (%) = [1− (A−B) / (C−D)] × 100

Where A: absorbance of the sample solution at 405 nm,
B: Absorbance at 405 nm of the sample solution blank,
C: Absorbance at 405 nm of the control solution,
D: Absorbance at 405 nm of the control solution blank.

(評価)
実験例4の抽出物について、上述の方法でエラスターゼ阻害率を評価したところ、エラスターゼ阻害率は14.5%であった。
(Evaluation)
About the extract of Experimental example 4, when the elastase inhibition rate was evaluated by the above-mentioned method, the elastase inhibition rate was 14.5%.

本発明のコラゲナーゼ阻害剤は、優れたコラゲナーゼ活性阻害作用を示すため、各種外用剤、服用剤、化粧料組成物、機能性食品等の用途に使用することができる。   Since the collagenase inhibitor of the present invention exhibits an excellent collagenase activity inhibitory action, it can be used for various external preparations, medications, cosmetic compositions, functional foods and the like.

Claims (6)

白麹菌(Aspergillus kawachii)及び黒麹菌(Aspergillus awamori)から選択される少なくとも1種を繁殖させた米麹の溶媒抽出物を含有することを特徴とするコラゲナーゼ阻害剤。   A collagenase inhibitor comprising a solvent extract of rice bran that has been propagated with at least one selected from Aspergillus kawachii and Aspergillus awamori. 前記米麹が、白麹菌(Aspergillus kawachii)を繁殖させた米麹である請求項1に記載のコラゲナーゼ阻害剤。   The collagenase inhibitor according to claim 1, wherein the rice bran is a rice bran obtained by breeding Aspergillus kawachii. 前記溶媒抽出物が、前記米麹と、水、エタノール及び1,3−ブチレングリコールから選択される1種以上を主溶媒として含有する抽出溶媒とを接触させ、前記米麹に含有される成分を抽出して得られる抽出物である請求項1または2に記載のコラゲナーゼ阻害剤。   The solvent extract is obtained by bringing the rice bran into contact with an extraction solvent containing at least one selected from water, ethanol and 1,3-butylene glycol as a main solvent, and containing the components contained in the rice bran. The collagenase inhibitor according to claim 1 or 2, which is an extract obtained by extraction. 前記抽出溶媒が、水及び1,3−ブチレングリコールから選択される1種以上である請求項3に記載のコラゲナーゼ阻害剤。   The collagenase inhibitor according to claim 3, wherein the extraction solvent is at least one selected from water and 1,3-butylene glycol. 請求項1から4のいずれかに記載のコラゲナーゼ阻害剤を配合してなることを特徴とする化粧料組成物。   A cosmetic composition comprising the collagenase inhibitor according to any one of claims 1 to 4. 請求項1から4のいずれかに記載のコラゲナーゼ阻害剤を配合してなることを特徴とする機能性食品。   A functional food comprising the collagenase inhibitor according to any one of claims 1 to 4.
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