Molecular Structure of the Photo-Oxidation Product of Ellagic Acid in Solution
- Resource Type
- Authors
- Takashi Takeda; Hisashi Tokutomi; Tomoyuki Akutagawa; Norihisa Hoshino
- Source
- ACS Omega, Vol 3, Iss 9, Pp 11179-11183 (2018)
ACS Omega
- Subject
- Antioxidant
Singlet oxygen
General Chemical Engineering
medicine.medical_treatment
General Chemistry
Crystal structure
Cleavage (embryo)
Photochemistry
Article
lcsh:Chemistry
chemistry.chemical_compound
chemistry
lcsh:QD1-999
Absorption band
medicine
Molecule
Tetrahydrofuran
Ellagic acid
- Language
- English
- ISSN
- 2470-1343
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.