The thesis has included four parts: (1) screening of strain which could producing uricase; (2)optimizing fermentation conditions of producing uricase by Torula utilis Henneb 2.

• 本论文主要包括四个方面的内容:产尿酸酶菌种的筛选;发酵条件的优化;提取条件的研究和酶的分离纯化与基本性质研究四部分。