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Anti-diarrheal activities of medicinal plants of Similipal Biosphere Reserve, Odisha, India

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Author(s): Sujogya Kumar PANDA | Niranjan PATRA | Gunanidhi SAHOO | Akshya Kumar BASTIA | Sushil Kumar DUTTA

Journal: International Journal of Medicinal and Aromatic Plants
ISSN 2249-4340

Volume: 2;
Issue: 1;
Start page: 123;
Date: 2012;
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Keywords: Anti-diarrheal | Similipal Biosphere Reserve | Preliminary screening | Plant extracts | Ethnomedicinal uses

ABSTRACT
This paper deals with ethnomedicinal uses and anti-diarrheal properties of medicinal plants used by the tribal people of District Mayurbhanj, Odisha, India. Aqueous and methanol extracts of 72 plants were tested for antibacterial activity using agar well diffusion (sample concentration of 100 mg/ml) against eight pathogenic bacteria responsible for diarrheal diseases. The results indicated that out of 77 plants species, 47 species exhibited antibacterial activity against one or more test organisms. Out of 168 extracts, 54 methanolic and 43 aqueous extracts expressed antibacterial properties. Nineteen plants are newly reported to have ethnomedicinal uses to treat diarrheal diseases. Among these, Bombax ceiba, Buchanania lanzan, Butea superba, Coccinia grandis, Curculigo orchioides, Eleutherine bulbosa, Ficus racemosa, Flemingia nana, Helicteres isora, Lannea coromandelica, Mesua ferrea, Semecarpus anacardium and Smilax zeylanica experimentally proved to inhibit the diarrhea causing bacteria. Salmonella typhi, Escherichia coli and Vibrio cholera were the most sensitive strain. Shigella dysentriae showed least activity compared to all other test strains.
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