Improvement of acid protease production by a mixed culture of Aspergillus niger and Aspergillus oryzae using solid-state fermentation technique
Yun-wei Leng1,2 and Yan Xu1*
1The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800# LiHu Road, Wuxi, Jiangsu 214122, P. R., China.
2Department of Biological Engineering, China University of Mining and Technology, Xuzhou, Jiangsu 221008,
P. R., China.
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