Molecular Structure of the Photo-Oxidation Product
of Ellagic Acid in Solution

Akutagawa, Tomoyuki

Molecular Structure of the Photo-Oxidation Product of Ellagic Acid in Solution

Version 2 2018-09-17, 18:54

Version 1 2018-09-14, 14:53

Posted on 2018-09-17 - 18:54

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.

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Tokutomi, Hisashi; Takeda, Takashi; Hoshino, Norihisa; Akutagawa, Tomoyuki (2018). Molecular Structure of the Photo-Oxidation Product of Ellagic Acid in Solution. ACS Publications. Collection. https://doi.org/10.1021/acsomega.8b01716

https://doi.org/10.1021/acsomega.8b01716

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