Full Length Research Paper
Abstract
The antibacterial activity of the methanol and aqueous extract of Camellia sinensison Listeria monocytogenes were investigated using agar-gel diffusion, paper disk diffusion and microbroth dilution techniques. The results obtained showed that methanol and water extract exhibited antibacterial activities against L.monocytogenes. The leaf extract produced inhibition zone ranging from 10.0 – 20.1 mm against the test bacteria. The methanol extracts of the test plant produces larger zones of inhibition against the bacteria than the water extract. The minimum inhibitory concentration (MIC) for the methanol and water leaf extract was 0.26 and 0.68 mg/ml, respectively.
Key words: Antibacterial activity, Chinese green tea, Listeria monocytogenes.
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