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Abstract

Antibacterial activity of leaf extracts of Aristolochia bracteate retz

Author(s): RV Manikandar1, P Selvamani2, S Latha2
1 A. K. College of Pharmacy, Krishnankoil-626 190, India 2 Department of Pharmaceutical Engineering and Technology, Bharathidasan Institute of Technology, Bharathidasan University, Tiruchirappalli-620 024, India

Correspondence Address:
S Latha Department of Pharmaceutical Engineering and Technology, Bharathidasan Institute of Technology, Bharathidasan University, Tiruchirappalli-620 024 India E-mail: [email protected]


Aristolochia bracteate Retz, family, Aristolochiaceae is a common annual herb widely distributed in India and widely used in indigenous system of medicine. The objective of the present study was to investigate the antibacterial activity of crude extracts of Aristolochia bracteate Retz leaves by disc diffusion method. The leaves of Aristolochia breacteate Retz were extracted with petroleum ether, chloroform and alcohol. The concentrated crude leaf extracts of Aristolochia bracteate Retz were tested against Bacillus subtilus, Lactobacillus plantarum, Escherichia coli, Staphylococcus aureus, Streptococcus faecalis and Pseudomonas aeruginosa . Alcoholic extract showed significant antibacterial activity as compared to that of other extracts.

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