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Natural Polyphenol Pentagalloyl Glucose as a Potent Xanthine Oxidase Inhibitor for Hyperuricemia Treatment

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Observational analysis showed pentagalloyl glucose reduces uric acid levels by inhibiting xanthine oxidase, suggesting its potential as a treatment.

Pentagalloyl glucose significantly decreased uric acid levels in animal models and hepatocytes, indicating its effectiveness.
Inhibition of xanthine oxidase activity was confirmed with an IC50 value of 3.92 μM, showcasing its potency.
The study utilized integrated kinetics and calorimetry to reveal the mechanism by which pentagalloyl glucose acts as a reversible inhibitor.
These promising findings indicate pentagalloyl glucose could serve as a novel dietary supplement for managing hyperuricemia.

Du et al. (2025) studied this question.

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Observational analysis showed pentagalloyl glucose reduces uric acid levels by inhibiting xanthine oxidase, suggesting its potential as a treatment.