Scientific journal

45 2006

Journal of Food and Nutrition Research
Summary No. 2 / 2006

LUKÁČOVÁ, D. - KAROVIČOVÁ, J. - GREIFOVÁ, M. - GREIF, G. - ŠOVČÍKOVÁ, A. - KOHAJDOVÁ, Z.
In vitro testing of selected probiotic characteristics of Lactobacillus plantarum and Bifidobacterium longum
Journal of Food and Nutrition Research, 45, 2006, No. 2, s. 77-83

Jolana Karovičová, Institute of Biotechnology and Food Industry, Faculty of Chemical and Food Technology, Slovak University of Technology, Radlinského 9, SK-812 37 Bratislava, Slovakia. e-mail: jolana.karovicova@stuba.sk

Summary: Lactobacillus plantarum strain CCM 7039 and Bifidobacterium longum strain CCM 4990 were physiologically characterized using methods of model biological barriers. Tested strains, at densities of 108 or 109 KTJ.cm-3, were able to survive in the presence of 0.3% or 0.5% bile salts for 4 h. Acid resistance test showed that both microorganisms tested were able to adapt and to grow in selected media at pH values of 3 to 4. L. plantarum showed resistance against netilmicin, gentamicin, cefotaxime, and cefuroxime. B. longum was resistant against netilmicin, gentamicin and cefotaxime. Both strains were able to adhere to Caco-2 cells in defined conditions.

Keywords: Lactobacillus plantarum, Bifidobacterium longum, probiotic characteristics

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