Isolation and antibacterial activity of terpenoid from Bougainvillea glabra choicy leaves

This study reports the isolation and antibacterial activity of terpenoid extracted from the leaves of Bougainvillea glabra choicy. The isolation of organic compounds was done using simple chromatographic technique. Compound characterization using various spectroscopic techniques identified the final isolated compound as Oleananoic acid acetate. This is the first report of the presence of terpenoid in the leaves of Bougainvillea glabra choicy. Antibacterial activity of these compounds was against Gram positive, Gram negative bacterial strains by observing the zone of inhibition. Antibacterial activity was done by well diffusion method at a concentration of 25μg/25μl, using ethanol as the control. As, a result terpenoid showed excellent antibacterial activity. The method of isolation is simple, cost effective and efficient.

Author(s): J. Mariajancyrani*, G. Chandramohan, Saravanan and A. Elayaraja

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