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Anti-inflammatory studies on Polygonum glabrum.
B Singh1, V B Pandey, V K Joshi
1Department of Pharmacology, Banaras Hindu University, Varanasi, India.
Journal of Ethnopharmacology
|May 1, 1987
Summary
Polygonum glabrum stems exhibit significant anti-inflammatory effects in rat models of various inflammatory conditions. Both hot water decoction and ethanol extract demonstrated safety and efficacy, with parenteral administration being more effective.
Area of Science:
- Pharmacology
- Ethnobotany
- Natural Product Chemistry
Background:
- Inflammation is a complex biological response implicated in numerous diseases.
- Natural products are a rich source of potential anti-inflammatory agents.
- Polygonum glabrum is a plant with traditional medicinal uses.
Purpose of the Study:
- To evaluate the anti-inflammatory potential of Polygonum glabrum stem extracts.
- To assess the safety profile of Polygonum glabrum extracts.
- To compare the efficacy of different administration routes.
Main Methods:
- Preparation of hot water decoction and ethanol extract from Polygonum glabrum stems.
- Assessment of anti-inflammatory activity using carrageenan-induced paw edema, granuloma pouch assay, formaldehyde arthritis, and adjuvant-induced polyarthritis models in rats.
- Acute and subacute toxicity studies in mice and rats.
Main Results:
- Significant reduction in paw edema, exudate, and granuloma formation.
- Effective inhibition of acute and delayed inflammatory reactions.
- Demonstrated a good margin of safety in acute and subacute toxicity studies.
- Parenteral administration showed higher efficacy than oral administration.
Conclusions:
- Polygonum glabrum stem extracts possess potent anti-inflammatory properties.
- The plant extract is safe for use within tested dosages.
- Further research into the active compounds and mechanisms of action is warranted.