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分析了温度对开菲尔基质乳杆菌Lactobacillus kefiranofaciens分批发酵生产胞外多糖Kefiran过程的影响，发现在发酵前期细胞平均比生长速率和Kefiran平均比合成速率达到最大值时的温度较高(33℃)，在发酵后期二者达到最大值所需的温度较低(28℃)，因此提出两阶段温度控制策略以提高Kefiran分批发酵的产量和发酵强度. 结果表明，两阶段温度控制策略的实施可以进一步提高...
Kefiran Production by Lactobacillus kefiranofaciens under the Culture Conditions Established by Mimicking the Existence and Activities of Yeast in Kefir Grains
kefiran polysaccharide Lactobacillus kefiranofaciens lactic acid bacteria
2009/6/18
Kefiran production by Lactobacillus kefiranofaciens alone under the culture conditions established by mimicking the presence and activities of yeast cells in kefir grains was investigated. When the pH...