Fecha de publicación: 07/04/2022 Fuente: WIPO "bee" The present invention provides an absorption enhancer of a cinnamic acid derivative containing curcumin as an active ingredient, the cinnamic acid derivative is at least one selected from the group consisting of a compound represented by formula (1):




wherein R1 represents a hydrogen atom, a hydroxyl group, a dimethylallyl group, 3-formyl-2-butenyl group, or (E)-3-methyl-4-hydroxy-2-butenyl group; R2 represents a hydrogen atom, a hydroxyl group, or a dihydrocinnamoyloxy group; and R3 represents a hydrogen atom, a hydroxyl group, or a dimethylallyl group, or formula (2):




wherein R4 represents a hydrogen atom or a dimethylallyl group.