申请人:PLANT ADVANCED TECHNOLOGIES PAT
公开号:US10426717B2
公开(公告)日:2019-10-01
Disclosed are glycol esters of dicaffeoylquinic acids, in particular dipropylene glycol esters of dicaffeoylquinic acids (DPG esters of DCQ) and propane-1.3-diol esters of dicaffeoylquinic acids of general formula:
wherein R1 is a dipropylene glycol radical or a propane 1,3 diol radical, and any two of the radicals R2, R3, R4 and R5 are a caffeoyl group, the other two being a hydrogen atom. Also disclosed is a plant extract including same, the method for preparing same and a cosmetic composition including the compounds or extracts, intended for preventing or delaying the appearance of skin ageing effects.
所公开的是二咖啡酰奎宁酸的乙二醇酯,特别是通式为二咖啡酰奎宁酸的二丙二醇酯(DCQ 的 DPG 酯)和二咖啡酰奎宁酸的丙烷-1.3-二醇酯:
其中 R1 是二丙二醇基或丙烷-1,3-二醇基,R2、R3、R4 和 R5 中的任意两个是咖啡酰基,另外两个是氢原子。还公开了包括上述化合物或提取物的植物提取物、其制备方法和化妆品组合物,旨在防止或延缓皮肤老化效应的出现。