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刚毛藻稀碱处理液发酵制备饲料酵母

杨楠楠 牛鹏军 刘娟 姜爱莉

食品与发酵工业2013,Vol.39Issue(6):86-89,4.
食品与发酵工业2013,Vol.39Issue(6):86-89,4.

刚毛藻稀碱处理液发酵制备饲料酵母

Optimization of fermentation process for producing fodder yeast with dilute alkali solution of Cladophora

杨楠楠 1牛鹏军 1刘娟 1姜爱莉1

作者信息

  • 1. 烟台大学生命科学学院,山东烟台,264005
  • 折叠

摘要

Abstract

Fermentation process for production of fodder yeast using dilute alkali solution of Cladophora were studied and optimized in this paper through single factor and orthogonal design experiments.The results showed that the optimal combinations were as follow:culture temperature was 30 ℃,the initial concentration of reducing sugar in fermentation broth was 3.5 g/L,inoculation level was 20% and (NH4) 2SO4 5 g/L.Dry weight of yeast was 6.74 ± 0.83 g/L and the crude protein in fermentation broth could reach 15.12 g/L and the utilization rate of reducing sugar was 94.8% after 48 h of fermentation under these conditions.

关键词

刚毛藻/发酵/饲料酵母/粗蛋白

Key words

Cladophora/ fermentation/ fodder yeast/ crude protein

引用本文复制引用

杨楠楠,牛鹏军,刘娟,姜爱莉..刚毛藻稀碱处理液发酵制备饲料酵母[J].食品与发酵工业,2013,39(6):86-89,4.

基金项目

国家自然科学基金项目(No.31001113)资助 (No.31001113)

食品与发酵工业

OA北大核心CSCDCSTPCD

0253-990X

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