| abstract |
Disclosed is a novel methylated catechin having higher antiallergic activity than conventionally known methylated catechins such as epigallocatechin-3-O-(3-O-methyl) gallate and epigallocatechin-3-O-(4-O-methyl) gallate. Specifically disclosed is an epigallocatechin-3-O-gallate derivative represented by the chemical formula I below or an isomer thereof. (In the formula, R1-R6 respectively represent a hydrogen atom or a methyl group, and at least three of R1-R6 represent methyl groups.) |