PROTEOLYSIS BY LACTOBACILLUS CASEI II
Open Access
- 1 July 1956
- journal article
- research article
- Published by American Society for Microbiology in Journal of Bacteriology
- Vol. 72 (1) , 73-78
- https://doi.org/10.1128/jb.72.1.73-78.1956
Abstract
Cell-free extracts of L. casei strain 25 contain high peptidase activity, with pH optima ranging from pH 7 to 8. The hydrolysis of most peptides was strongly activated by cobalt ions at pH 5.5 to 6.0. Variations in pH optima, metal ion activation and heat stability indicate that different peptidase systems were involved.Keywords
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