The in vitro antibacterial activity of Hedyotis Umbellata
1 Loyoloa College, Chennai-600 034, India 2 Captain Srinivasa Murti Drug Research Institute for Ayurveda, Arumbakkam, Chennai-600 106, India
Saradha Vasanth Captain Srinivasa Murti Drug Research Institute for Ayurveda, Arumbakkam, Chennai-600 106 India E-mail: [email protected]
The in vitro antibacterial activity of Hedyotis umbellata (aerial parts) was investigated against Staphyllococcus aureus, S. citreus, Streptococcus faecalis, Bacillus subtilis, Escherichia coli, Klebsiella aerogenes, Shigella flexneri, and Pseudomonas aeruginosa at 20 mg/ml, whereas the alcohol extract did not show any promising activity. The ethyl acetate eluate of the chloroform extract showed a zone of inhibition of 10mm against B. subtilis and E. coli , at 20 mg/ml.