Analysis of functional properties of Lactobacillus acidophilus

作者：Zhao Ruixiang^*; Sun Junliang; Mo Haizhen; Zhu Yang

来源：World Journal of Microbiology and Biotechnology, 2007, 23(2): 195-200.

DOI：10.1007/s11274-006-9209-2

• antimicrobial activity
• beta-galactosidase
• cholesterol reduction
• Lactobacillus acidophilus
• probiotic effects
• protein availability

Metabolites from Lactobacillus acidophilus were analysed. The results showed that Lactobacillus acidophilus Ind-1 and Lactobacillus acidophilus Lakcid produced respectively 12.73 g and 13.33 g lactic acid l(-1) after incubating in skim milk at 37 degrees C for 36 h; and 2.229 unit and 1.808 unit beta-galactosidase l(-1) in an MRS medium. The proteolytic activity of Lactobacillus acidophilus was high and the content of 17 free amino acids in the fermented milk of Lactobacillus acidophilus Ind-1 and Lactobacillus acidophilus Lakcid was 394.4 mg l(-1) and 563.2 mg l(-1), respectively. Meantime, Lactobacillus acidophilus reduced cholesterol level in an MRS medium supplemented with cholesterol. Furthermore, Lactobacillus acidophilus Ind-1 and Lactobacillus acidophilus Lakcid showed antimicrobial activity against Bacillus anthracis and Escherichia coli.

• 出版日期2007-2
• 单位河南科技学院