生物絮凝剂的制备及其在蔗汁澄清的应用探索  

Preparation of Bioflocculant and Its Application in Clarification Process of Sugarcane Juice

作　　者：李雨虹[1] 曾练强[1] 马步 钟志才[1] 常国炜[1] 黎志德[1] 徐艳芳[3] 梁达奉[1,2] 

机构地区：[1]广州甘蔗糖业研究所广东省甘蔗改良与生物炼制重点实验室,广东广州510136 [2]广西糖业研发中心,广西南宁530002 [3]广西大学轻工与食品工程学院,广西南宁530004

出　　处：《甘蔗糖业》2015年第5期33-37,共5页Sugarcane and Canesugar

基　　金：南宁市工信委技术创新项目(编号2014-1-30);八桂学者建设工程专项经费资助

摘　　要：以地衣芽孢杆菌(Bacillus licheniformis)为出发菌株,通过紫外诱变选育出一株产絮凝剂的高效菌株,经过摇瓶发酵生产生物絮凝剂(MBF)对甘蔗中和汁进行澄清试验。结果表明,突变株比出发菌株产MBF的絮凝活性提高17%;10 U/m L的MBF与2 mg/kg聚丙烯酰胺(PAM)处理甘蔗中和汁澄清效果相当。MBF取代PAM作为糖用絮凝剂具有可行性。A bioflocculant production mutant was screened from Bacillus licheniformis by ultraviolet （UV）, and tested the flocculation in clarification of the neutral juice. The results showed that flocculation rate of mutant was increased by 17% compared with the original strain. The 10 U/mL bioflocculant had comparative effect in clarification of the neutral juice with 2 mg/kg polyacrylamide, indicating the possibility of bioflocculant application in sugar industry.

关 键 词：紫外诱变 生物絮凝剂 甘蔗中和汁 澄清 

分 类 号：TS244.2[轻工技术与工程—制糖工程]