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甘油发酵的机制,如何使甘油大量积累

问答题
2022-02-28 17:26
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正确答案

酵母菌在无氧条件下所生成的乙醇是有乙醛获得了氢。如果条件改变,使乙醛这个中间产物不存在,那么酵母菌就不会产生乙醇。这样就能使乙醛不能作为氢受体,而迫使磷酸二羟基丙酮作为氢受体,在α-磷酸甘油,α磷酸甘油水解便生成α甘油。积累方法:加入某种抑制剂,亚硫酸盐法;改变发酵条件,减法


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