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Research Article Open Access
Objective: The Ethnobotanical studies and folklore claiming reviewed that the leaves and bark of the plant Psidium guajava Linn. are used for anti-bacterial activity. From the literatures we found that poly-phenolic compounds like tannin have significant free radical scavenging activity in bacterial associated diseases. Based on the above information of Psidium guajava is selected for this Research work.
• To separate the tannin fraction from the Psidium guajava Linn., leaves and bark.
• To study the anti-bacterial activity of tannin fraction of Psidium guajava separated from leaf and bark.
Psidium guajava, Anti-bacterial activity, Tannin, Tanin,Plant Pharmacognosy