PRODUCTION OF BERBERINE CHLORIDE AND ANTIMICROBIAL AGENT FOR LIVESTOCK

摘要

PURPOSE:To obtain the title compound useful as an antimicrobial agent for livestocks by dissolving essence extracted from a specific plant with a lower alcohol into diluted hydrochloric acid, partitioning the solution with benzene and concentrating the water layer. CONSTITUTION:Essence extracted from Coscinium fenestatum COLEBRE of the family Menispermaceae with a lower alcohol (e.g. methanol or ethanol) is dissolved in diluted hydrochloric acid and partitioned with benzene and the water layer is concentrated to give the objective compound.