The study mainly investigated the effects of the mutagenesis, conditions of nutrition and culture on inulinase production by Aspergillus niger.

• 本论文主要研究了人工诱变、营养条件和培养条件对黑曲霉液体发酵产菊粉酶的影响,并对菊粉酶的酶学性质进行了探索。