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杀菌剂对蔗汁乙醇酵母生长和发酵性能的影响
引用本文:关妮,杨登峰,米慧芝,陆琦.杀菌剂对蔗汁乙醇酵母生长和发酵性能的影响[J].广西科学院学报,2011,27(4):355-357.
作者姓名:关妮  杨登峰  米慧芝  陆琦
作者单位:广西科学院国家非粮生物质能源工程技术研究中心
基金项目:国际科技合作项目(2009DFA30820);广西科技攻关项目(桂科自0991077);广西科学院基金项目(10YJ25SW14)资助
摘    要:为了解决以甘蔗为原料发酵生产燃料乙醇中出现的肠膜明串株菌(Leuconostoc mesenteroides)污染问题,在酵母的不同生长期添加不同浓度的专用杀菌剂T-9001糖菌净,研究T-9001糖菌净对酵母生长和发酵性能的影响。结果表明,在生长初期,T-9001糖菌净明显抑制酵母生长;在对数生长期,T-9001糖菌...

关 键 词:葡聚糖  杀菌剂  发酵  酿酒酵母
收稿时间:2011/7/12 0:00:00
修稿时间:2011/9/24 0:00:00

Influence of Bactericides for Saccharomyces cererisiae Growth and Fermentation Performance from Sugarcane Juice
GUAN Ni,YANG Deng-feng,MI Hui-zhi and LU Qi.Influence of Bactericides for Saccharomyces cererisiae Growth and Fermentation Performance from Sugarcane Juice[J].Journal of Guangxi Academy of Sciences,2011,27(4):355-357.
Authors:GUAN Ni  YANG Deng-feng  MI Hui-zhi and LU Qi
Institution:(National Engineering Research Center for Non-food Biorefinery,Guangxi Academy of Sciences,Nanning,Guangxi,530007,China)
Abstract:In order to solve the problem of dextran occurred in fuel ethanol industrial production from sugarcane juice,the Saccharomyces cerevisiae growth and fermentation were studied by adding different concentration of bactericides into different growth stage of S.cerevisiae.The results indicates that the bactericides can significant inhibit the early stage of S.cerevisiae growth.However,in logarithmic growth phase,slight effect of bactericides are detected in the concentration of 0.001% and 0.010%.When the concentration of bactericides reaches 0.100%,the S.cerevisiae growth was significantly affected.The bactericides will not affect the ethanol production.With the increase of bactericide concentration and fermentation time,the rate of S.cerevisiae death increases.
Keywords:dextran  bactericides  fermentation  S  cerevisiae
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