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Phytochemical Screening and Antimicrobial Activity of Leaf Extract of Wrightia tomentosa

Author Affiliations

  • 1Department of Botany, Kakatiya University, Warangal-506009, AP, INDIA
  • 2 Department of Biotechnology, Kakatiya University, Warangal-506009, AP, INDIA

Int. Res. J. Biological Sci., Volume 2, Issue (3), Pages 23-27, March,10 (2013)

Abstract

Phytochemical screening and antimicrobial activities of solvent extracts of leaf of Wrighitia tomentosa (Roxb.) Roem and Schult. have been studied for the presence of secondary metabolites and to find out their activity against microbes. The results revealed that the aqueous, chloroform, ethyl acetate, petroleum ether and methanolic leaf extracts of W. tomentosa contain alkaloids, ellagic acids, iridoids, methylene dioxy compounds, steroids, tannins and triterpenoids. The antimicrobial activity of these leaf extracts were tested against gram positive and gram negative bacteria through well diffusion method. Among all the extracts of leaf the highest sensitivity was recorded for methanolic, ethyl acetate and chloroform extracts. None of the aqueous extract exhibited any antimicrobial activity. The results provided evidence that the species W. tomentosa can be used as a potential source of antimicrobial agent.

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