Effect of Lithium Chloride and Sodium Propionate on Growth of Selected Probiotics

Abstract:

Effect of Lithium Chloride (LiCl) and Sodium Propionate (CH3CH2COONa) on growth of Lactobacillus acidophilus, Bifidobacterium bifidum, Lactobacillus bulgaricus, Lactobacillus casei and Lactobacillus rhamnosus was studied by measuring optical density at 600nm (OD600) and pH using MRS media as the control. The addition of each substance (%, w/v) was 0.025%, 0.05%, 0.1%, 0.2% and 0.3%. Results were as follows: addition of LiCl has the significant inhibition on growth of Lactobacillus acidophilus, Bifidobacterium bifidum and Lactobacillus bulgaricus at incubation 12h. The optimum selective concentration of LiCl in MRS media was 0.1% both for Lactobacillus acidophilus and Lactobacillus bulgaricus. Lactobacillus rhamnosus can tolerate the substances mentioned above. Sodium Propionate has no effect for any of five strains.

• Periodical: Key Engineering Materials (Volumes 480-481)
• Pages: 66-69
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.480-481.66
• Online since: June 2011
• Authors: He Chen, Li Yuan Ji, Guo Wei Shu, Zhao Wei Wang
• Keywords: Bifidobacterium, Lactobacillus, Lithium Chloride, Probiotics, Sodium Propionate

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