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The bactericidal activity of a medicinal plant, Terminalia chebula is enhanced upon addition of manganese salts

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Author(s): Mahdia RAHMAN | M. Golam MOSTAFA | Muhammad Manjurul KARIM

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

Volume: 2;
Issue: 2;
Start page: 214;
Date: 2012;
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Keywords: Medicinal plant | Terminalia chebula | antibiotics | antibacterial activity | manganese

ABSTRACT
The aqueous extract of Terminalia chebula, a natural medicinal herb had been demonstrated to exert its bactericidal activity against Salmonella sp., Shigella sp., Vibrio cholerae and Escherichia coli: the bacteria that cause gastroenteritis. This activity was analyzed upon addition of different concentrations of salts of magnesium and manganese in the aqueous extract of the plant in order to observe the effect of the salts, if any. This study revealed that addition of manganese chloride at a concentration of about 80 μg/ gm of dried leaf powder could further increase the existing antibacterial activity of the plant to enteric bacteria by 25 to 45%.
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