Journal
SAUDI JOURNAL OF BIOLOGICAL SCIENCES
Volume 28, Issue 3, Pages 1622-1632Publisher
ELSEVIER
DOI: 10.1016/j.sjbs.2020.11.062
Keywords
Camel milk; Lactic acid bacteria; Probiotics; In vitro studies; Caco-2 cell line
Categories
Funding
- Department of Biotechnology (DBT), government of India [BT/PR10482/PFN/20/866/2013]
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The study isolated a total of 80 presumed lactic acid bacteria from camel milk, which showed potential for producing functional foods and industrial curd formulations. The selected LAB exhibited strong tolerance, antimicrobial activity, adhesion potential, and were non-toxic for industrial applications, making them valuable substitutes in various food and feed industries.
In the present study, a total of 80 presumed lactic acid bacteria (LAB) were isolated from camel milk. Selected LAB were identified as Lactococcus lactis (cam 12), Enterococcus lactis (cam 14) and Lactobacillus plantarum (cam 15) and their potential were tested by tolerance & de-conjugation of bile salts, antimicrobial activity, surface hydrophobicity and adhesion potential) along with this of probiotics were evaluated for curd formation and assessed for sensory properties and syneresis. Selected LABs showed antimicrobial activity against wide range of pathogenic bacteria (Staphylococcus aureus, Pseudomonas aeruginosa, Bacillus cereus and Escherchiaia. coli). LAB (cam 12, cam 14 and cam15) were highly sceptible to chloramphenicol, vancomycin, and tetracyclin. In vitro adhesion studies with Caco-2 cells demonstrated strong adhesion activity with hydrophobicity (99%) was observed. Acute oral toxicity of E. lactis and L. plantarum showed non-toxic, non-virulent and safe for industrial application. The study provides potential LAB which may act as a substitute of functional food, synthetic feed and industrial curd formulation with in the shortest span (240 min at 28-32 degrees C). (C) 2020 Published by Elsevier B.V. on behalf of King Saud University. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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