申请人:Takasago International Corporation
公开号:EP0970693A1
公开(公告)日:2000-01-12
The present invention provides a biologically active composition which has particularly an inhibitory activity on production of melanin, a cell activating activity and an anti-bacterial activity, are derived from natural sources, and are safe and not harmful; one or several compounds represented by the following general formula (1) are contained in said composition:
wherein R1 represents CH2OH, -COOR6 or -COOX, in which X is a group capable of forming a salt and R6 represents hydrogen or a C1 to C3 lower alkyl group; R2 to R5 each represent hydrogen or a methyl group; and ---A--- represents =C(CH3)-, -C(CH3)=, -C(=CH2)-, -CH(CH3)- or -C(OH) (CH3)-.
本发明提供了一种生物活性组合物,它特别具有抑制黑色素生成的活性、细胞活化活性和抗菌活性,来自天然来源,安全无害;所述组合物中含有一种或几种由下式通式(1)代表的化合物:
其中 R1 代表 CH2OH、-COOR6 或 -COOX,其中 X 是能形成盐的基团,R6 代表氢或 C1 至 C3 低级烷基;R2 至 R5 各代表氢或甲基;--A----- 代表 =C(CH3)-、-C(CH3)=、-C(=CH2)-、-CH(CH3)- 或 -C(OH) (CH3)-。