Technological and probiotic selection criteria of a bile-adapted Bifidobacterium animalis subsp. lactis strain

descriptionPublicationkeyboard_double_arrow_right Article 01 Nov 2010 English Publisher:Elsevier BVJournal:International Dairy Journal, volume 20, pages 800-805 (issn: 0958-6946,

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Authors: Sánchez García, Borja; Fernández García, María; Margolles Barros, Abelardo; González de los Reyes-Gavilán, Clara; Ruas-Madiedo, Patricia;

doi: 10.1016/j.idairyj.2010.06.004

handle: 10261/51265

Technological and probiotic selection criteria of a bile-adapted Bifidobacterium animalis subsp. lactis strain

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Abstract

The technological and probiotic properties of the bile-adapted strain Bifidobacterium animalis subsp. lactis 4549dOx have been studied in comparison with its parental strain IPLA4549. The survival of the bile-adapted derivative to the simulated gastrointestinal transit was significantly higher than that of the parental strain, except in the presence of 10% skimmed milk. The adherence of strain 4549dOx to the intestinal cell line HT29-MTX almost duplicated that of strain IPLA4549. However, both strains had similar behaviour throughout the shelf-life of fermented milk. In conclusion, the bile-adapted strain 4549dOx presented advantages for its inclusion in dairy probiotic foods. © 2010 Elsevier Ltd.

This work was financed by FEDER funds (European Union) and the Spanish Plan Nacional de I+D+i from the “Ministerio de Ciencia e Innovación” (MICINN) through projects AGL2006-03336, AGL2007-62736 and AGL2007-61805. B. Sánchez thanks CSIC for his JAE-Postdoctoral contract.

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