耐高温酿酒酵母菌株的选育Breeding of thermotolerant yeast strains Saccharomyces cerevisiae for bioethanol production
卜文静,段秋虹,杜金宇,王毅,隋继学
摘要(Abstract):
以酿酒酵母L为研究对象,通过紫外诱变、高温驯化处理的方法,选育出1株耐高温酿酒酵母L-9a。研究结果表明:处理a在38℃条件下,L-9a生物量为106 mg,乙醇产率为53.02%,平均产量为1.71 m L·100 mL~(-1),残还原糖含量平均为0.76 g·100 mL~(-1),解决了同步糖化发酵中糖化和发酵温度不一致的问题。
关键词(KeyWords): 生物乙醇;生物质;酿酒酵母;耐高温酵母
基金项目(Foundation): 河南省科技攻关项目(152102210319);; 郑州市科技攻关项目(141PPTGG411)
作者(Author): 卜文静,段秋虹,杜金宇,王毅,隋继学
DOI: 10.16445/j.cnki.1000-2340.2016.02.016
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