期刊
LWT-FOOD SCIENCE AND TECHNOLOGY
卷 87, 期 -, 页码 478-487出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.lwt.2017.09.019
关键词
Camel milk; Probiotics; Streptococcus; Enterococcus; Cholesterol lowering
资金
- UAE University [G0002238]
The objectives of this study were to isolate lactic acid bacteria (LAB), namely Streptococcus and Enterococcus, on M17 agar from raw camel milk and investigate their probiotic characteristics. Physiological properties, cell surface properties (hydrophobicity, autoaggregation, co-aggregation), acid and bile tolerance, bile salt hydrolysis, cholesterol removing ability, exopolysaccharide (EPS) production, hemolytic and antimicrobial activities, resistance toward lysozyme and six antibiotics, and fermentation profile (growth, pH, and proteolysis) were examined. rDNA sequencing was carried out to identify the isolates and to acquire Genbank accession numbers. LAB isolates showed cholesterol lowering and pathogens inhibition properties. Hydrophobicity and autoaggregation results revealed strong attachment capabilities of the isolated LAB. Resistance of LAB isolates to lysozyme activity and to 60 degrees C were also high. Identified LAB exhibited promising fermentation profile. This study reveals that the isolated LAB isolates especially E. faecium KX881783 and S. equinus KX881778 may be excellent candidates to produce functional foods to promote health benefits. (C) 2017 Elsevier Ltd. All rights reserved.
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