Comparative study on in vitro antibacterial and antifungal properties of five medicinal plants of west Bengal

Medicinal plants are in rich source of antimicrobial agents. The present study was carried out to evaluate the antibacterial and antifungal effect of five important plants namely, Andrographis paniculata, Bacopa monnieri, Centella asiatica, Nardostachys jatamansi ,Saraca indica. The preliminary phytochemical analysis was tested by using different extract of these plants for the presence of various secondary metabolites like alkaloids, flavonoids, tannins, saponins, terpenoids, glycosides, steroids, carbohydrates and amino acids. The in vitro antimicrobial activity was screened against clinical isolates viz gram positive bacteria Staphylococcus aureus, Streptococcus pyogenes, gram negative bacteria Escherichia coli, Pseudomonas aeruginosa and fungal strain Aspergillus niger, Candida albicans. Extracts were found significant inhibition against all the pathogens.

Author(s): Merina Paul Das*, Ankita Banerjee and AnuMerina Paul Das*, Ankita Banerjee and Anu

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