Preparation and characterization of Neem Bark Extract with antimicrobial activity

Aim and objective of this study was to prepare and characterize of Neem Bark Extract from Azadirachata indica (family – Meliaceae). In the mid of August, the stem bark was collected from the Azadirachata indica tree. After preparing neem bark methanolic extract from stem of Azadirachata Indica, extract was characterized by physical property evaluation, chemical property evaluation, antimicrobial evaluation, by determination of λ max using methanol and ethanol solvent, percentage of purity of prepared Azadirachta indica bark exracts using UV spectroscopic method(shimadzu-1700), doing structural elucidation by FTIR study in laboratory