Survival of yogurt bacteria in the human gut.

Marina Elli, Maria Luisa Callegari, Susanna Ferrari, Elena Bessi, Daniela Cattivelli, Sara Soldi, Lorenzo Morelli, Nathalie Goupil Feuillerat, Jean-Michel Antoine

Journal: Applied and environmental microbiology 2006;72(7):5113-7

PMID: 16820518

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Abstract

Whether Lactobacillus delbrueckii subsp. bulgaricus and Streptococcus thermophilus can be recovered after passage through the human gut was tested by feeding 20 healthy volunteers commercial yogurt. Yogurt bacteria were found in human feces, suggesting that they can survive transit in the gastrointestinal tract.

Address: AAT-Advanced Analytical Technologies S.r.l., Spin-off of the Catholic University of Piacenza, Via Emilia Parmense, 84, 29100 Piacenza, Italy. [email protected]

DOI: 10.1128/AEM.02950-05

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MeSH Terms: Adult, Colony Count, Microbial, Electrophoresis, Gel, Pulsed-Field, Feces, Female, Gastrointestinal Tract, Humans, Lactobacillus delbrueckii, Male, Polymerase Chain Reaction, Probiotics, Streptococcus thermophilus, Yogurt