Poly-gamma-glutamic acid-vitamin complex and use thereof

Details Poly-gamma-glutamic acid-vitamin complex and use thereof Poly-gamma-glutamic acid-vitamin complex and use thereof

A - Human Necessities

61

K

A61K 8/88 (2006.01) A23L 1/302 (2006.01) A23L 2/52 (2006.01) A61K 8/67 (2006.01) A61Q 19/00 (2006.01)

Patent

CA 2570665

The present invention relates to PGA-vitamin complex containing poly- .gamma.- glutamic acid(PGA), vitamin preparations containing said PGA-vitamin complex or cosmetic compositions. The inventive PGA-vitamin complex having excellent hygroscopicity, moisturizing property and skin compatibility, which is a complex of poly- .gamma.-glutamic acid and vitamin, has the effect of sustained-release as well as improves stability of vitamin having the functions, such as promotion of metabolism, anti-oxidation effect, protection of cell wall, increasing immunity, prevention of dry skin and keratinization, anti-wrinkles and moisturizing skin, thereby being useful as cosmetic compositions and sustained-release vitamin preparations for various applications.

Cette invention concerne un complexe de vitamines et de PGA contenant de l'acide poly-.gamma.-glutamique (PGA), des préparations de vitamines contenant ce complexe de vitamines et de PGA ou des compositions cosmétiques. Ce complexe de vitamines et de PGA, qui est un complexe de vitamines et d'acide poly-.gamma.-glutamique, possède d'excellentes propriétés hygroscopiques, d'humidification et de compatibilité avec la peau, avec effet de libération prolongée, et il améliore la stabilité des vitamines avec des fonctions telles que la stimulation du métabolisme, l'effet antioxydant, la protection des parois cellulaires, l'amélioration de l'immunité, la prévention de la sécheresse et de la kératinisation de la peau, l'effet antirides et d'humidification de la peau, ce qui le rend utile comme compositions cosmétiques et comme préparations de vitamines à libération soutenue pour diverses des applications.

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