Production, Purification and Characterization of Levan Polymer from Bacillus lentus V8 Strain
作者: Khadiga A. Abou-taleb Mohamed O. Abdel-Monem Mohamed H. Yassin Amal A. Draz
刊名: British Microbiology Research Journal, 2015, Vol.5 (1)
来源数据库: SCIENCEDOMAIN international
DOI: 10.9734/BMRJ/2015/12448
关键词: Levan polymermicrobial productionbatch fermentationraw materialsidentificationpurification.
原始语种摘要: Aims: To optimize fermentation conditions for microbial production of levan polymer on a low-price productive medium. Also to purified levan from Bacillus sp. V8 strain, characterization the levan polymer by 13C NMR spectroscopy and physicochemical properties. Study Design: Optimization of environmental factors for levan production. Polymer purification and identification. Place and Duration of Study: Agric. Microbiology Dept., Fac. of Agriculture, Ain Shams Univ., Cairo, Egypt, between January 2012 and December 2013. Methodology: Bacillus lentus V8 strain was used as producer of levan. This strain was grown on productive medium. Cell dry weight and levan polymer were determined in all the samples at the end of the fermentation period. Study on optimal levan production conditions such as...
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  • molasses 废蜜
  • polymer 聚合物
  • inoculum 接种物
  • respectively 分别
  • levan 果聚糖
  • weight 
  • initial 开首字母
  • fermentation 发酵
  • strap 搭板
  • black 炭黑