A review: Antimicrobial activity of Azadirachta indica (Neem)

Abstract

Screening of medicinal plants for bioactive compounds leads to development of less expensive new antimicrobial
agents with improved safety and efficacy. Azadirachta Indica (neem) is a multipurpose tree with multiple health
benefits. Antimicrobial activity in leaf extract of neem (Azadirachta indica) against endodontic bacteria. E.coli,
Staphylococcus aureus, Pseudomonas aeruginosa , Streptococcus mutans and Enterococcus faecalis,. Antimicrobial
activities of alcoholic extracts of neem leaves were used. Varying concentration of each extracts 200mg/ml, 150
mg/ml, 100mg/ml, 50mg/ml, 25mg/ml prepared by using disc diffusion method. When compared with gentamycin
200mg and gentamycin 10mg, the methanol and ethanol extract shows maximum inhibition on Pseudomonas
aeruginosa and Staphylococcus aureus in an asending order.