%0 Generic %A Tokutomi, Hisashi %A Takeda, Takashi %A Hoshino, Norihisa %A Akutagawa, Tomoyuki %D 2018 %T Molecular Structure of the Photo-Oxidation Product of Ellagic Acid in Solution %U https://acs.figshare.com/articles/dataset/Molecular_Structure_of_the_Photo-Oxidation_Product_of_Ellagic_Acid_in_Solution/7088975 %R 10.1021/acsomega.8b01716.s002 %2 https://ndownloader.figshare.com/files/13035140 %K photo-oxidation product %K antioxidant ellagic acid %K Photo-Oxidation Product %K cleavage π- structure %K rearrangement steps %K sequential cleavage %K absorption band %K X-ray crystal structure %K Molecular Structure %K EA %K 405 nm %K singlet oxygen %X The photoreaction of the antioxidant ellagic acid (EA) elicits a drastic coloration in solution from colorless to yellow in aerated tetrahydrofuran, which appears as a new absorption band at 405 nm. Analysis of the X-ray crystal structure suggests that the photo-oxidation product of EA is a multiple cleavage π-structure (Ox-EA) that results from the interaction of EA with singlet oxygen followed by sequential cleavage and rearrangement steps. %I ACS Publications