The invention provides a method for preparing high efficient preparation of lactase, the method disclosed by a certain concentration of NTG strains, generating high yield strain, then solid fermentation in suitable growth conditions of this kind of microbe, and the extraction and separation of high purity in sealed condition, industrial enzyme yield ideal. The method has mild preparation conditions, the characteristics of less wastes.
【技术实现步骤摘要】
【技术保护点】
一种由菌种发酵制备乳糖酶的方法,其特征在于由下列步骤组成: a、一种经NTG浓度为100-1000μg/ml溶液浸泡的菌种米曲霉; b、种子发酵; c、固体培养发酵; d、精制分离酶制剂。
【技术特征摘要】
【专利技术属性】
技术研发人员:林澄敏,林再庆,
申请(专利权)人:嘉米上海生物工程有限公司,
类型:发明
国别省市:31[中国|上海]
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