In-vitro antibacterial activity of various extract of Mirabilis Jalapa stem

By S. Lakshmi Devi, M.  Dhanamani, S. Kannan

ABSTRACT


Mirabilis jalapa Linn. of Nyctaginaceae was  evaluated for antibacterial activity against the Gram positive  bacteria viz.,Staphylococcus aureus, Bacillus Substilis and the Gram negative bacteria viz., Escherichia coli and Pseudomonas aeruginosa. Methanolic stem extract showed potent antibacterial activity against Gram positive bacteria and dichloromethane stem extract showed potent anti-bacterial activity against Gram negative bacteria, which was less than that of the standard drug.

Key words : Mirabilis jalapa Linn, Antimicrobial, Gram positive bacteria, Gram negative bacteria, Nyctaginacea.

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