申请人:Takasago International Corporation
公开号:US06384074B1
公开(公告)日:2002-05-07
The present invention provides compounds which have, 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 more compounds represented by the following general formula are contained:
wherein R1 represents —CH2OH, —COOR6 or —COOX, whereupon X is a group capable 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)—.
本发明提供了一些化合物,特别是具有抑制黑色素生产、细胞活化和抗菌活性的化合物,这些化合物来自自然来源,安全无害。其中包含一个或多个由以下通用式表示的化合物:其中R1表示—CH2OH、—COOR6或—COOX,其中X是能形成盐的基团,R6表示氢或C1至C3的低碳基;R2至R5各自表示氢或甲基基团;而...A...表示═C(CH3)—、—C(CH3)═、—C(═CH2)—、—CH(CH3)—或—C(OH)(CH3)—。