Thangavelu, K and Victor Arokia DOSS Antibacterial Activity of 50% Ethanolic Leaf Extract of Gymnema hirsutum Wight. & Arn. PSGCAS Search: A Journal of Science and Technology, 2 (2). pp. 93-99. ISSN 2349 – 5456

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Abstract

India is one of the world’s 12 biodiversity centers with the presence of over 45,000 different
plant species. Of the 2,50,000 higher plant species on earth, more than 80,000 are medicinal.
Antibacterial activity of the 50% ethanolic leaf extract of Gymnema hirsutum Wight. & Arn. was
screened against four human pathogenic bacteria, Eschericha coli, Pseudomonas aeruginosa,
Bacillus subitlis and Klebsiella pneumonia. The maximum zone of inhibition at 3mg/ml
concentration was found to be for B subtilis, K. Pneumonia, P. aurginosa and E.coli.
Gentamycin was used as standard antibiotic in this study. The phytochemical analysis of the 50%
ethanolic leaf extract of Gymnema hirsutum Wight. & Arn. showed the presence of alkaloids,
flavonoids, saponins, phenolics, terpenoids, and tannins. Flavonoids, Tannins, Alkaloids,
Saponins, Triterpenoids and Phenolic compounds of the plant extract may be the response for the
antibacterial properties. The findings provide support for the use of this plant in traditional
medicine.

Item Type: Article
Uncontrolled Keywords: Antimicrobial and antibacterial activity, G. hirsutum, 50% ethanolic extract.
Depositing User: Mr Team Mosys
Date Deposited: 10 Aug 2022 04:59
Last Modified: 10 Aug 2022 05:55
URI: http://ir.psgcas.ac.in/id/eprint/1432

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