Production of Biological Control Agent Bacillus subtilis B579 by Solid-State Fermentation using Agricultural Residues
文献类型: 外文期刊
第一作者: Tian, Tao
作者: Tian, Tao;Sun, Bing Bing;Sun, Shu Qin;Yang, Xiu-Rong;Li, Wei;Ma, Ping;Zhang, Li-Qun
作者机构:
关键词: Agricultural residues;Bacillus subtilis B579;Biological Control agent;Design-Expert;Solid-State Fermentation
期刊名称:JOURNAL OF PURE AND APPLIED MICROBIOLOGY ( 影响因子:0.073; )
ISSN:
年卷期:
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收录情况: SCI
摘要: Three different agricultural residues were evaluated as basic substrates for the production of biological control agent (BCA) Bacillus subtilis strain B579, by solid-state fermentation (SSF). Among them, wheat bran (WB) was shown to be the most suitable substrate, and an initial moisture content of 57% was determined to be optimal for SSF of strain B579. Moreover, employing the Plackett-Burman and Box-Benhnken experimental design models, nine different supplements were investigated to maximize the cell yield. Results demonstrated that a relatively maximal cell yield of 2.12+/-0.03x10(11) CFU/g was achievable utilizing WB as the basic medium supplemented with beef extract (21.3 g kg(-1)), cornmeal (42.6 g kg(-1)), and soluble starch (23.8 g kg(-1)).
分类号: Q93
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