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Polyphenols and flavonoids
PreliminaryMechanism of Action
Polyphenolic compounds scavenge free radicals through hydrogen atom transfer and single electron transfer mechanisms, chelate pro-oxidant transition metals (Fe²⁺, Cu²⁺), and upregulate endogenous antioxidant enzyme expression through Nrf2/ARE (antioxidant response element) pathway activation. Flavonoid components modulate inflammatory signaling by inhibiting COX-2 and iNOS enzyme expression and suppressing NF-κB nuclear translocation.
Research Notes
Golden EarMushroom
Fermented N. aurantialba preparations showed DPPH radical scavenging capacity of 94.75% compared to 50.88% in unfermented preparations, indicating that fermentation significantly enhances polyphenol bioavailability and antioxidant activity. Oil-based cooking methods were shown to enhance phenolic compound extraction efficiency. Studies are primarily in vitro; clinical antioxidant data in human subjects is lacking.
Found In 1 Herb
3D Molecular Structure
Phenolic compounds
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Polyphenols and flavonoids
Phenolic compoundsSimple aromatic compounds with antimicrobial properties
Representative pattern: C₇H₆O₃
Atoms
Carbon
Oxygen
Hydrogen
Related Compounds (Phenolic compounds)
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These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. This content is for educational purposes only and is not a substitute for professional medical advice.