Antimicrobial Potential Of Azadirachta Indica Against Pathogenic Bacteria And Fungi

Abstract

Drugs from natural sources are used for treating various diseases since the ancient times. From the literature it is clear that various type of pharmacological and biological activities are associated with Azadirachta indica. The leave oil of A. indica is known to have good antimicrobial potential. The oil of A. indica leaves, was tested against the different infectious microorganisms (Gram positive bacteria and Gram-negative bacteria), such as bacterial strains; S. aureus, E. coli, B. cerus, P. vulgaris, S. typhi, K. pneumonae, S. dysenterae and Fungal strains; F. oxysporum, A. flavus, A. fumigates, A. niger, C. albicans, Cladosporium sp., M. canis, M. gypseum, T. rubrum, T. mentagrophytes, P. notatum and P. citrinum etc. The results showed that level of antimicrobial activities of the A. indica oil depends on both the protein and carbohydrate contents. Generally, the high level of protein and carbohydrate contents of extract had better antimicrobial activities.