2013年7月23日星期二

lactic acid bacteria breeding

Small colonies on solid medium, slow growth. Within the liquid fermentation medium can quickly grow,magnessium lactate washing with high purity can be obtained both aerobic and anaerobic bacteria and performance.
Oligosaccharides can promote the proliferation of lactic acid bacteria. Oligosaccharides promote the proliferation of beneficial bacteria such as lactic acid and the inhibition of pathogenic microorganisms in many ways, of which one barrier function of the intestinal epithelium is described as competitive inhibition. Second, the pathogen metabolites and inhibition. Stewart et al (1993), Tomilka et al (1992) confirmed Isomaltooligosaccharide (IMO) to promote buffered lactic acid, Lactobacillus proliferation, low energy metabolism of fatty acids, such bacteria lower the pH, Escherichia coli, Salmonella and so sensitive to acidic conditions, low PH value inhibit their growth. Intestinal lactic bacteria such as Bifidobacterium itself lectin activity was significantly higher than that pathogens such as E. coli and Salmonella, which may be the normal intestinal flora has the effect of competitive exclusion of the causes of significant competitive advantage

没有评论:

发表评论