Mutation and Selection of a new strain of Aspergillus niger HA608
Huang Liqun Chen Sifa Liu Yanping (Hubei Research Institute of Chemistry Wuhan 430074)
A new strain of Aspergillus niger HA608 which was adaptable to ferment the hydrolysate of Dioscorea Zingberensis Wright or acorns was obtatined. The hydrolysate needs no any further treatment. The conversion ratio of the total sugar into citric acid is about 110% and the fermentation cycle is 110h.