PJB-2017-237
ANTIMICROBIAL POTENTIAL AND PHYTO CHEMICAL ANALYSIS OF DIFFERENT SOLVENT EXTRACTED SAMPLES OF VIOLA PILOSA
JEHAN BAKHT, MARIA KHAN PANNI AND MOHAMMAD SHAFI
Abstract
Investigation of susceptibility of medicinal plants for bacterial pathogens is significant for suitable choice of treatment. Different solvent extracted samples of Viola pilosa shoots were investigated for their antibacterial and phytochemical activities using 0.5, 1 and 2 mg disc-1 concentrations. The antibacterial bioassay was assayed by disc diffusion method against six microbes. The studies revealed that ethyl acetate extracted fractions resulted in maximum growth inhibition of Pseudomonas aeruginosa and Staphylococcus aureus at 2000 µg disc-1 concentration. Similarly, Xanthomonas campestris and Klebsiella pneumonia were found more susceptible to n-butanol extract. Maximum reduction in the activity of B. subtilis and E. coli was recorded by n-hexane fractions at two mg per disc. The most susceptible microbe was Pseudomonas aeruginosa. The results further revealed that all the tested microbes were found completely resistant to water extracted fractions at all the tested concentrations measuring 0% ZI. Phytochemical analysis showed the presence of various bioactive compounds including flavonoids, glycosides, proteins, fats, alkaloids, steroids, saponins, carbohydrates and tannins.
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