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Advisor(s)
Abstract(s)
The viability of probiotic bacteria in six food-grade polymers, at two concentrations, was evaluated in order to predict their feasibility as materials for bacterium immobilisation. Alginate and whey proteins were the most adequate polymers, except for Lactobacillus acidophilus Ki and Lactobacillus casei 01 at 2% (m/v) alginate. Xanthan gum appeared to be a potential vector for three strains. L-carrageenan was adequate for both Bifidobacterium strains, but not for Lactobacillus at 2% (m/v). Bifidobacterium strains were not negatively affected by cellulose acetate phthalate, while the opposite held for L. acidophilus strains. Chitosan was the poorest polymer for immobilisation of probiotic bacteria.
Description
Keywords
Probiotic bacteria Viability and survival Encapsulation materials Immobilised cultures.
Citation
RODRIGUES, Dina;...[et al] - On the viability of five probiotic strains when immobilized on various polymers. International Journal of Dairy Technology. ISSN 1471-0307. Vol. 64 N.º 1 (2011), p. 137-144
Publisher
Wiley