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Effect of Versagel® on the growth and metabolic activities of selected lactic acid bacteria

Ramchandran, Lata and Shah, Nagendra P (2008) Effect of Versagel® on the growth and metabolic activities of selected lactic acid bacteria. Journal of Food Science, 73 (1). M21-M26. ISSN 0022-1147

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Abstract

In this study, the influence of a protein-based fat replacer, Versagel® added at 1%and2%(w/v) to reconstituted skim milk (RSM), on the growth and metabolic activities of selected strains of yogurt starters (Streptococcus thermophilus and Lactobacillus delbrueckii ssp. bulgaricus) aswell as probiotic organisms (Lactobacillus casei, Lactobacillus acidophilus, and Bifidobacterium longum) was examined. Addition of Versagel resulted in significantly improved growth of S. thermophilus and B. longum but inhibited that of L. casei, L. acidophilus, and L. delbrueckii ssp. bulgaricus. This is also reflected in the extent of reduction ofpHinRSMwith added Versagel by these organisms. Among the biochemical activities, proteolytic activity of all the organisms except B. longum was adversely affected by the presence of Versagel, although the angiotensin-I converting enzyme (ACE) inhibitory and α-glucosidase (α-glu) inhibitory activities were improved. Versagel at 1% level influenced the growth, while ACE inhibitory and α-glu inhibitory activities of the organisms were better at 2%level.

Item Type: Article
Uncontrolled Keywords: ResPubID16488, angiotensin-I converting enzyme, fat replacer, probiotic, proteolytic, α-glucosidase
Subjects: Faculty/School/Research Centre/Department > School of Biomedical and Health Sciences
FOR Classification > 0908 Food Sciences
SEO Classification > 8602 Dairy Products
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Depositing User: VUIR
Date Deposited: 14 Sep 2011 05:36
Last Modified: 14 Sep 2011 06:20
URI: http://vuir.vu.edu.au/id/eprint/3903
DOI: 10.1111/j.1750-3841.2007.00577.x
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Citations in Scopus: 7 - View on Scopus

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