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Functional and safety aspects of enterococci in dairy foods.
MedLine Citation:
PMID:  23100728     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
The genus Enterococcus like other LAB has also been featured in dairy industry for decades due to its specific biochemical traits such as lipolysis, proteolysis, and citrate breakdown, hence contributing typical taste and flavor to the dairy foods. Furthermore, the production of bacteriocins by enterococci (enterocins) is well documented. These technological applications have led to propose enterococci as adjunct starters or protective cultures in fermented foods. Moreover, enterococci are nowadays promoted as probiotics, which are claimed for the maintenance of normal intestinal microflora, stimulation of the immune system and improvement of nutritional value of foods. At the same time, enterococci present an emerging pool of opportunistic pathogens for humans as they cause disease, possess agents for antibiotic resistance, and are frequently armed with potential virulence factors. Because of this "dualistic" nature, the use of enterococci remains a debatable issue. However, based on a long history of safe association of particular enterococci with some traditional food fermentations, the use of such strains appears to bear no particular risk for human health. Abundance of knowledge as well as progress in molecular techniques has, however, enabled exact characterization and safety assessment of strains. Therefore, a balanced evaluation of both, beneficial and undesirable nature of enterococci is required. A clear understanding of their status may, therefore, allow their safe use as a starter, or a probiotic strain. The present review describes the broader insight of the benefits and risks of enterococci in dairy foods and their safety assessment.
Authors:
Arun Bhardwaj; R K Malik; Prashant Chauhan
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Publication Detail:
Type:  Journal Article     Date:  2009-03-25
Journal Detail:
Title:  Indian journal of microbiology     Volume:  48     ISSN:  0046-8991     ISO Abbreviation:  Indian J. Microbiol.     Publication Date:  2008 Sep 
Date Detail:
Created Date:  2012-10-26     Completed Date:  2012-10-29     Revised Date:  2013-05-30    
Medline Journal Info:
Nlm Unique ID:  0374703     Medline TA:  Indian J Microbiol     Country:  India    
Other Details:
Languages:  eng     Pagination:  317-25     Citation Subset:  -    
Affiliation:
Microbial Metabolites Laboratory, Dairy Microbiology Division National Dairy Research Institute, Karnal, 132 001 India.
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