Abstract: 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.

Abstract: The present invention provides a mucosal immunomodulator comprising, as an active ingredient, at least one selected from the group consisting of compounds represented by the following formula (1), compounds represented by the following formula (2) and compounds represented by the following formula (3), and salts thereof.

Abstract: The present invention provides a honey fraction obtainable by a method comprising (a) obtaining an absorbed component by causing honey to be brought into contact with an adsorbent, (b) obtaining an organic solvent fraction by eluting the absorbed component with an organic solvent that is acetone, ethyl acetate, or ethanol, and (c) obtaining a honey fraction from the organic solvent fraction.

Abstract: The present invention provides a mucosal immunomodulator comprising, as an active ingredient, at least one selected from the group consisting of compounds represented by the following formula (1), compounds represented by the following formula (2) and compounds represented by the following formula (3), and salts thereof.

Abstract: The present invention provides a honey fraction obtainable by a method comprising (a) obtaining an absorbed component by causing honey to be brought into contact with an adsorbent, (b) obtaining an organic solvent fraction by eluting the absorbed component with an organic solvent that is acetone, ethyl acetate, or ethanol, and (c) obtaining a honey fraction from the organic solvent fraction.

Abstract: The present invention provides a novel compound and antidepressant composition that can be effectively used for improving depressed mood and depressed state, particularly for depressed mood and depressed state in menopausal women. The compound of the present invention is represented by the following formula (1): wherein R1 and R2 are identical or different and represent a hydrogen atom, a hydroxyl group or an acetyloxy group, and n is an integer of 2 to 7, or a pharmaceutically acceptable salt or ester thereof. This compound is used as an active ingredient in the antidepressant composition. Examples of the compound of the invention include (2E)-9,10-dihydroxy-2-decenoic acid, (2Z)-9,10-dihydroxy-2-decenoic acid, (2E)-9-hydroxy-2-decenoic acid, and (2E)-7-acetoxy-2-heptenoic acid.

Abstract: The present invention provides a novel compound and antidepressant composition that can be effectively used for improving depressed mood and depressed state, particularly for depressed mood and depressed state in menopausal women. The compound of the present invention is represented by the following formula (1): wherein R1 and R2 are identical or different and represent a hydrogen atom, a hydroxyl group or an acetyloxy group, and n is an integer of 2 to 7, or a pharmaceutically acceptable salt or ester thereof. This compound is used as an active ingredient in the antidepressant composition. Examples of the compound of the invention include (2E)-9,10-dihydroxy-2-decenoic acid, (2Z)-9,10-dihydroxy-2-decenoic acid, (2E)-9-hydroxy-2-decenoic acid, and (2E)-7-acetoxy-2-heptenoic acid.