The invention provides a preparation method of microbial transformation of 3 beta 7, beta two hydroxy 15 beta, beta 16 methylene - 5 - androstene - 17 - ketone, this method is based on the Botryodiplodia malorum CBS13450 strain, including the preparation of resting cells transformation system and substrate conversion steps, including the resting cells the conversion system comprises a buffer, the buffer from phosphate buffer, acetate buffer solution, phosphate citric acid buffer solution, sodium hydroxide or potassium dihydrogen phosphate buffer solution of citric acid - sodium hydroxide and hydrochloric acid buffer. Under the optimum transformation conditions, the conversion of the system was complete conversion of 0.3% of the substrate in 45 hours.
【技术实现步骤摘要】
【技术保护点】
微生物转化法制备3β,7β-二羟基-15β,16β-亚甲基-5-雄烯-17-酮的方法,该方法以Botryodiplodia malorum CBS13450为菌种,包括制备静息细胞转化系统和底物转化的步骤,其中所述的静息细胞转化系统包含缓冲液,所述缓冲液选自磷酸盐缓冲液、醋酸盐缓冲溶液、磷酸盐-柠檬酸缓冲液、磷酸二氢钾-氢氧化钠缓冲液或柠檬酸-氢氧化钠-盐酸缓冲液。
【技术特征摘要】
【专利技术属性】
技术研发人员:胡海峰,桑红娇,郭铭,
申请(专利权)人:上海医药工业研究院,
类型:发明
国别省市:31[中国|上海]
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