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Title: On the viability of five probiotic strains when immobilised on various polymers
Author: Rodrigues, Dina
Rocha-Santos, Teresa
Sousa, Sérgio
Gomes, Ana M.
Pintado, Maria M.
Xavier Malcata, F.
Sousa Lobo, José M.
Silva, José P.
Costa, Paulo
Amaral, Maria H.
Freitas, Ana C.
Keywords: Probiotic bacteria
Viability and survival
Encapsulation materials
Immobilised cultures
Issue Date: 2011
Publisher: Wiley
Abstract: 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.
Peer review: yes
DOI: 10.1111/j.1471-0307.2010.00627.x
ISSN: 1364-727X
Appears in Collections:CESAM - Artigos
DQ - Artigos

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