Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
Clinical Trial
. 2006 Jul;72(7):5113-7.
doi: 10.1128/AEM.02950-05.

Survival of yogurt bacteria in the human gut

Marina Elli  1 , Maria Luisa Callegari, Susanna Ferrari, Elena Bessi, Daniela Cattivelli, Sara Soldi, Lorenzo Morelli, Nathalie Goupil Feuillerat, Jean-Michel Antoine
Affiliations
Clinical Trial

Survival of yogurt bacteria in the human gut

Marina Elli et al. Appl Environ Microbiol. 2006 Jul.

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.

PubMed Disclaimer

Figures

FIG. 1.
FIG. 1.
Strain-specific Rep-PCR detection of orally administered L. delbrueckii subsp. bulgaricus in fecal samples from subjects who consumed yogurt. Isolates were previously confirmed to belong to the L. delbrueckii group by species-specific PCR. Lanes C, profile of orally administered L. delbrueckii subsp. bulgaricus; lanes A to H, profiles of isolates obtained on day 2 in trial 2; lanes I to R, profiles of isolates obtained on day 7 in trial 2. Lanes D and Q were not considered comparable to controls.
FIG. 2.
FIG. 2.
Strain-specific identification of orally administered S. thermophilus by PFGE analysis of two colonies from day 7 samples (trial 2) (lanes A and B) previously identified as belonging to S. thermophilus by species-specific PCR. The PFGE profile in lane B is identical to the profile for the orally administered strain in lanes C.
See this image and copyright information in PMC

Similar articles

See all similar articles

Cited by

See all "Cited by" articles

References

    1. Adolfsson, O., S. N. Meydani, and R. M. Russell. 2004. Yogurt and gut function. Am. J. Clin. Nutr. 80:245-256. - PubMed
    1. Aldinucci, C., L. Bellussi, G. Monciatti, G. C. Passàli, L. Salerni, D. Passàli, and V. Bocci. 2002. Effects of dietary yoghurt on immunological and clinical parameters of rhinopathic patients. Eur. J. Clin. Nutr. 56:1155-1161. - PubMed
    1. Bezkorovainy, A. 2001. Probiotics: determinants of survival and growth in the gut. Am. J. Clin. Nutr. 73(Suppl. 2):399S-405S. - PubMed
    1. Brigidi, P., E. Swennen, B. Vitali, M. Rossi, and D. Matteuzzi. 2003. PCR detection of Bifidobacterium strains and Streptococcus thermophilus in feces of human subjects after oral bacteriotherapy and yogurt consumption. Int. J. Food Microbiol. 81:203-209. - PubMed
    1. Campbell, C. G., B. P. Chew, L. O. Luedecke, and T. D. Shultz. 2000. Yogurt consumption does not enhance immune function in healthy premenopausal women. Nutr. Cancer 37:27-35. - PubMed

Publication types

MeSH terms

LinkOut - more resources