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Title: Heteropolysaccharide-producing bifidobacteria for the development of functional dairy products
Authors: Goretti Llamas-Arriba, Maria; Peiroten, Angela; Isabel Puertas, Ana; Prieto, Alicia; Lopez, Paloma; Pardo, Miguel A. and Rodriguez, Eva; Teresa Duenas, Maria
Citation: LWT-FOOD SCIENCE AND TECHNOLOGY, 2019, 102, 295-303
Abstract: Bifidobacterium longum INIA P132 and Bifidobacterium infantis INIA P731, isolated from infant-faeces, were investigated in this work. Regarding the probiotic and technological potential of the bifidobacteria, both were resistant to gastrointestinal tract simulated conditions. B. longum showed high survival upon freezing and thawing as well as lyophilisation and was able to grow in milk. B. Wands had higher adhesion capacity to human Caco-2 cells than the commercial probiotic Bifidobacterium animalis BB12 strain. Moreover, both bacteria secrete heteropolysaccharides (HePS) composed of rhamnose, galactose and glucose. In a dextran sodium sulphate induced enterocolitis model in zebra fish larvae, treatment with each HePS preparation resulted in a decrease of the larval mortality. In addition, the HePS from B. longum immunomodulated in vitro human macrophages treated with the inflammatory Escherichia coli O111:B4 lipopolysaccharide. Thus, both studied bifidobacteria and their HePS have potential beneficial effects on health and thus, to their application in functional foods.
Keywords: Bifidobacteria; Exopolysaccharide; Immunomodulation; Zebrafish; Technological properties; Adhesion; BIOFILM FORMATION; IN-VITRO; LACTOBACILLUS-SUEBICUS; PROBIOTIC STRAIN; EXOPOLYSACCHARIDE; ZEBRAFISH; RESPONSES; GENES
Issue Date: 2019
Publisher: ELSEVIER SCIENCE BV
Type: Article
Language: 
DOI: 10.1016/j.lwt.2018.12.044
URI: http://dspace.azti.es/handle/24689/1001
ISSN: 0023-6438
E-ISSN: 1096-1127
Funder: Basque GovernmentBasque Government
Spanish Ministry of Science and InnovationSpanish Government [AGL 2015-65010-C3-1-R]
Spanish Ministry of Economy and Competitiveness [RM12-00004-00-00, RTA2013-00029-00-00]
Appears in Publication types:Artículos científicos



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