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Bioactivity studies on Cassia alata Linn. leaf extracts
Irene M Villaseñor1, Arlyn P Canlas, Marcy Paul I Pascua
1Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101. ivillase@chem.upd.edu.ph
Phytotherapy Research : PTR
|April 5, 2002
Summary
The hexane, chloroform, and ethyl acetate extracts of Cassia alata leaves show significant medicinal properties. These extracts demonstrate analgesic, anti-inflammatory, antimutagenic, antifungal, and hypoglycemic activities, highlighting their therapeutic potential.
Area of Science:
- Pharmacology
- Ethnobotany
- Natural Product Chemistry
Background:
- Cassia alata Linn. is a plant traditionally used for various medicinal purposes.
- Investigating the pharmacological activities of plant extracts is crucial for discovering new therapeutic agents.
Purpose of the Study:
- To evaluate the antimutagenic, antifungal, analgesic, anti-inflammatory, and hypoglycemic activities of different Cassia alata leaf extracts.
- To identify the most potent extracts and their specific activities.
Main Methods:
- Preparation of hexane, chloroform, and ethyl acetate extracts from Cassia alata leaves.
- Testing extracts for analgesic activity using acetic acid-induced writhing test in mice.
- Assessing anti-inflammatory effects via carrageenan-induced paw edema in mice.
- Evaluating antimutagenic potential against tetracycline-induced mutagenicity.
- Determining antifungal activity against Trichophyton mentagrophytes and Candida albicans.
- Measuring hypoglycemic effects by monitoring blood glucose levels in mice.
Main Results:
- Hexane extract showed significant analgesic activity (59.5% reduction in writhing).
- Hexane and ethyl acetate extracts exhibited potent anti-inflammatory effects (65.5% and 68.2% reduction, respectively).
- Chloroform extract demonstrated antimutagenic activity (65.8% inhibition) and was most effective against Trichophyton mentagrophytes.
- Ethyl acetate extract displayed significant hypoglycemic activity (58.3% decrease in blood sugar).
- All extracts induced decreased motor activity, enophthalmus, hyperemia, micturition, and diarrhea; high doses of ethyl acetate extract caused paralysis.
Conclusions:
- Cassia alata leaf extracts possess diverse pharmacological properties, including analgesic, anti-inflammatory, antimutagenic, antifungal, and hypoglycemic effects.
- The study validates the traditional medicinal uses of Cassia alata and suggests its potential as a source for novel pharmaceuticals.
- Further research is warranted to isolate active compounds and elucidate their mechanisms of action.