How Polyphenols Deactivate Riboflavin's Excited State
Author Information
Author(s): Ji Hong-Fang Shen Liang
Primary Institution: Shandong Provincial Research Center for Bioinformatic Engineering and Technique, Center for Advanced Study, Shandong University of Technology
Hypothesis
The study investigates how polyphenols like rutin and catechin deactivate the triplet excited state of riboflavin.
Conclusion
The H-atom transfer pathway is the most thermodynamically favorable mechanism for deactivating the triplet excited state of riboflavin by polyphenols.
Supporting Evidence
- The study found that the H-atom transfer pathway is more feasible than direct energy or electron transfer pathways for riboflavin deactivation.
- Rutin and catechin were identified as effective antioxidants that can quench the triplet excited state of riboflavin.
Takeaway
This study shows that certain plant compounds can help stop riboflavin from causing damage when it gets excited by light.
Methodology
Density functional theory calculations were used to study the deactivation mechanisms of triplet excited state riboflavin by polyphenols.
Digital Object Identifier (DOI)
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