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Enhanced β-galctosidase activity in probiotics for improved bioconversion of soy isoflavones in dairy and soy-based yoghurt

Prasad, Laxmi N (2014) Enhanced β-galctosidase activity in probiotics for improved bioconversion of soy isoflavones in dairy and soy-based yoghurt. PhD thesis, Victoria University.

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Abstract

The main aims of this project were to evaluate the suitability of whey as a medium for the production of β- galactosidase (β-gal) from Lactobacillus delbrueckii ssp. bulgaricus ATCC 11842 (LB) and Bifidobacterium animalis Bb12 (BB12). The study was undertaken to examine and compare the influence of selected prebiotics, i.e. galactooligosaccharides (GOS), modified waxy maize starch (MWMS), inulin and β-glucan on the growth of selected organisms and on the physical attributes of yogurt and sogurt. The study also investigated the role of β-gal produced by LB and BB12 in biotransformation of isoflavone glycosides (IGs) to aglycones (IAs).

Item Type: Thesis (PhD thesis)
Subjects: FOR Classification > 0908 Food Sciences
Faculty/School/Research Centre/Department > College of Health and Biomedicine
Depositing User: VU Library
Date Deposited: 23 Jun 2014 04:58
Last Modified: 23 Jun 2014 05:02
URI: http://vuir.vu.edu.au/id/eprint/25418
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