Investigation of acid tolerance attribute of various Lactobacillus casei group strains

DOI: 10.18805/ijar.9539    | Article Id: B-2825 | Page : 190-193
Citation :- Investigation of acid tolerance attribute of various Lactobacilluscasei group strains .Indian Journal Of Animal Research.2016.(50):190-193

Suman Kandola*1, Udai vir Singh Teotia1,  Rajneesh Kumar2, Anand K. Mishra3 and Alka Singh4

sumankandola@ymail.com
Address :

Department of Biochemistry, Kurukshetra University, Kurukshetra -136 119, India.

Abstract

Lactobacillus casei group is commonly used as probiotics. Various factors affect their viability in gastrointestinal tract. Twenty two strains of Lactobacillus casei group, were assessed for acid tolerance attribute. ASCC 292 showed the highest viability at pH 1.5. Fifteen remaining strains have shown no activity after 1 h. At pH 2.0, ASCC 1002 has shown lowest viability after 2 h of incubation. At pH 2.5, all twenty two strains decreased their viable count after 3 h of incubation. Greater viable count of Lactobacillus strains were observed at pH 3.0. This study suggests the importance to identify all the useful Lactobacillus strains in order to study further for their therapeutic benefits. 

Keywords

Acid tolerance Gastrointestinal Lactobacillus Probiotics.

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