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发酵玉米黄秸秆乳酸菌的分离纯化及发酵条件的优化

赵萍 宋佳 赵瑛 王雅 刘笑笑 陈强

食品工业科技2013,Vol.34Issue(16):228-231,249,5.
食品工业科技2013,Vol.34Issue(16):228-231,249,5.

发酵玉米黄秸秆乳酸菌的分离纯化及发酵条件的优化

Purification lactic acid bacteria from fermented corn yellow straw and optimization of fermentation conditions

赵萍 1宋佳 1赵瑛 2王雅 1刘笑笑 1陈强3

作者信息

  • 1. 兰州理工大学生命科学与工程学院,甘肃兰州730050
  • 2. 甘肃省农业科学院生物技术所,甘肃兰州730070
  • 3. 甘肃省陇西县百绿草业有限公司,甘肃陇西748100
  • 折叠

摘要

Abstract

Two Lactobacillus LB2 and LC2,were screened from seventeen nature fermented maize straws.Based on the results of their morphological,physiological,biochemical properties,as well as 16S rDNA sequence analysis,LB2 and LC2 were preliminarily identified as Lactobacillus LC2 was selected as an experimental bacterium according to its high lactic acid output.The factors affecting fermented maize straw had been studied.The optimum fermentation conditions were as following:the suitable inoculating amount of Lactobacillus LC2 1%,temperature 30℃,and time 10d.The protein content in fermented maize straw increased even up to 14.35%.

关键词

乳酸菌/分离纯化/玉米秸秆发酵

Key words

Lactobacillus/ separation and purification/ fermented maize stwaw

分类

轻工纺织

引用本文复制引用

赵萍,宋佳,赵瑛,王雅,刘笑笑,陈强..发酵玉米黄秸秆乳酸菌的分离纯化及发酵条件的优化[J].食品工业科技,2013,34(16):228-231,249,5.

基金项目

国家科技支撑计划(2011BAD15B03) (2011BAD15B03)

科技型中小企业技术创新基金(11C26216206097). (11C26216206097)

食品工业科技

OA北大核心CSCDCSTPCD

1002-0306

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