Antibacterial activity of Psidium guajava L. against certain multidrug resistant gram-negative and gram-positive bacteria
Journal Title: Journal of Medical Science And clinical Research - Year 2018, Vol 6, Issue 9
Abstract
Drugs derived from plants play a significant role in the prevention and treatment of human diseases. Psidium guajava L., Myrtaceae, is used widely in traditional medicine used for the treatment of diarrhoea, dysentery, gastroenteritis, stomach aches, and indigestion. The present study aimed at studying the antibacterial activity of the ethanolic extract of leaves of P. guajavaagainst the standard strains of bacterium and the antibiotics resistant clinical strains of bacterium. The extraction of the P. guajava leaves was carried out. The screening of the extracts for antibacterial activities was conducted by the disc diffusion method. The dried extracts were dissolved in dimethyl sulfoxide (DMSO) with a concentration of 0.1 g/mL. All the bacterial strains under study were inhibited. Staphylococcus aureus was most inhibited. The present study has shown that P. guajava leaf extract has excellent antibacterial activity against the drug resistant strains of both gram-positive and gram-negative bacteria.
Authors and Affiliations
Dr Beulah Edwin
Keywords
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