| abstract |
An object of the present invention is to provide a novel compound, an APQ5 mRNA expression promoter, an APQ3 mRNA expression promoter, a plaque formation inhibitor and an SPT mRNA expression promoter excellent in action and effect. A novel ellagitannin. In addition, as an active ingredient of APQ5 mRNA expression promoter, APQ3 mRNA expression promoter, plaque formation inhibitor and SPT mRNA expression promoter, novel ellagitannins, 2,3-O-hexahydroxydiphenoyl-4,6-O-sungisoruboyl Glucose, rubusaviin A, breviforin carboxylic acid, isostrictinin, rubusoside, ellagic acid or strawberry tea extract is contained. [Selection figure] None |