蔗糖直接发酵衣康酸高产菌株的选育  

Breeding Strains with High-productivity of Itaconic Acid from Sugar

作　　者：杨辉[1] 梁海秋[1] 杨漓[1] 廖威[2] 周河治[1] 

机构地区：[1]广西大学食品与发酵工程研究所,南宁530004 [2]广西职业技术学院,南宁明阳530227

出　　处：《甘蔗糖业》2003年第2期45-47,共3页Sugarcane and Canesugar

摘　　要：本文工作以土曲霉NRRL1960为出发菌株,采用Co^(60)、紫外线、亚硝基胍、光敏试剂8-MOP处理等多种理化方法选育衣康酸高产菌株。所得菌株T730在含蔗糖10％的培养基中,于30～35℃在10L发酵罐中培养约66h,产酸率达6.6％,糖酸转化率达66％。该菌株转化率高、稳定性好,具有很大的生产应用价值。This paper described the treatment of Asp. terreus NRRL1960 by Co60 irradiation, UV irradiation, NTG and 8-MOP. The strain T730 selected from the mutants was able to accumulate itaconic acid about 6.6 g/100 mL in the medium with 10% initial sugar in 10L fermentor at 30-35! for about 66 hrs, and its conversion rate reached 66%. Results suggested that the strain T730 has large potential application value for its stable high productivity of itaconic acid.

关 键 词：蔗糖 发酵 衣康酸 高产菌株 选育 原料 

分 类 号：TQ921.7[轻工技术与工程—发酵工程]