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Pharmacognosy Journal, 2013; 5(2):87-90
Short Communication | doi:10.1016/j.phcgj.2013.02.002

Comparative in vitro antibacterial evaluation of different extracts of Camellia sinensis leaves form different geographical locations in India


Authors and affiliation (s):

Devendra Singh Chauhana, Sanjib Bhattacharya b, K.K. Mueen Ahmedc,*

aAl-Ameen College of Pharmacy, Hosur Road, Bangalore 560027, India

bBengal School of Technology (A College of Pharmacy), Delhi Road, Sugandha, Hooghly 712102, West Bengal, India

cDepartment of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Hassa, Saudi Arabia

Abstract:

Introduction: The present study was conducted to assess and compare the in vitro antibacterial property of four different solvent extracts from Camellia sinensis> (tea) leaves collected form five different geographical regions of India. Methods: All the extracts at the concentration of 4 mg/ml was tested for their in vitro antibacterial potential by cup plate method against Bacillus subtilis, Staphylococcus aureus, Escherichia coli and Staphylococcus epidermidis. Results: All the test tea extracts were found to exhibit remarkable antibacterial effect except against S. aureus. The tea sample form Assam was found to be the most active. Conclusion: The marked and differential antibacterial effect of C. sinensis leaf from different Indian locations was plausibly due to geographical variations in chemical constituents especially polyphenol contents of C. sinensis leaf.

Key words: Camellia sinensis, Antibacterial, Polyphenols, Leaf

 

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