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Stability of Lactobacillus rhamnosus GG in prebiotic edible films

Soukoulis, Christos; Behboudi-Jobbehdar, Solmaz; Yonekura, Lina; Parmenter, C.D.J.; Fisk, Ian D.

Authors

Christos Soukoulis chrsoukoulis@yahoo.gr

Solmaz Behboudi-Jobbehdar

Lina Yonekura



Abstract

The concept of prebiotic edible films as effective vehicles for encapsulating probiotic living cells is presented. Four soluble fibres (inulin, polydextrose, glucose-oligosaccharides and wheat dextrin) were selected as prebiotic co-components of gelatine based matrices plasticised with glycerol and used for the immobilisation of Lactobacillus rhamnosus GG. The addition of prebiotics was associated with a more compact and uniform film structure, with no detectable interspaces or micropores; probiotic inclusion did not significantly change the structure of the films. Glucose-oligosaccharides and polydextrose significantly enhanced L. rhamnosus GG viability during air drying (by 300% and 75%, respectively), whilst a 33% and 80% reduction in viable counts was observed for inulin and wheat dextrin. Contrarily, inulin was the most effective at controlling the sub-lethal effects on L. rhamnosus GG during storage. However, in all cases the supplementation of edible films with prebiotics ameliorated the storage stability of L. rhamnosus GG.

Citation

Soukoulis, C., Behboudi-Jobbehdar, S., Yonekura, L., Parmenter, C., & Fisk, I. D. (2014). Stability of Lactobacillus rhamnosus GG in prebiotic edible films. Food Chemistry, 159, https://doi.org/10.1016/j.foodchem.2014.03.008

Journal Article Type Article
Publication Date Mar 12, 2014
Deposit Date May 12, 2015
Publicly Available Date May 12, 2015
Journal Food Chemistry
Print ISSN 0308-8146
Electronic ISSN 0308-8146
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 159
DOI https://doi.org/10.1016/j.foodchem.2014.03.008
Keywords Edible Films, Probiotics, Synbiotics, Survival, Encapsulation
Public URL http://eprints.nottingham.ac.uk/id/eprint/28788
Publisher URL http://www.sciencedirect.com/science/article/pii/S0308814614003938#
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0





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