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Polyphenol-Rich Extract from Archidendron clypearia: Optimization, Characterization, and Hypouricemic Activity
Danna Yan1, Ziyan Hong1, Zhimin Zhao1
1School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China.
Molecules (Basel, Switzerland)
|May 13, 2026
Summary
This study optimized polyphenol extraction from Archidendron clypearia, finding the extract effectively lowers uric acid and protects against hyperuricemia-related organ damage.
Area of Science:
- Phytochemistry
- Pharmacology
- Natural Products
Background:
- Polyphenols from medicinal plants show promise in regulating uric acid metabolism.
- Archidendron clypearia is explored for its potential anti-hyperuricemic properties.
Purpose of the Study:
- To optimize ultrasonic-assisted extraction of polyphenols from Archidendron clypearia.
- To evaluate the anti-hyperuricemic effects of the optimized extract.
Main Methods:
- Box-Behnken response surface methodology for extraction optimization.
- Entropy weighting method for evaluating total polyphenols and Archidendrin I.
- In vitro assays and a hyperuricemic mouse model for bioactivity assessment.
Main Results:
- Optimal extraction: 50% ethanol, 30:1 liquid-to-material ratio, 31 min sonication.
- Yields: 175 mg GAE/g DW total polyphenols, 80.34 mg/g DW Archidendrin I.
- Extract showed xanthine oxidase inhibition, reduced serum uric acid, regulated transporters (URAT1, GLUT9, ABCG2), and alleviated organ injury.
Conclusions:
- Optimized extraction yields potent polyphenols from Archidendron clypearia.
- The extract demonstrates significant anti-hyperuricemic activity.
- Archidendron clypearia extract is a potential natural agent for managing hyperuricemia.
