Evidence map›Paper›PMID 17721765›Full record

ArticleWiener klinische Wochenschrift2007

Are probiotics detectable in human feces after oral uptake by healthy volunteers?

Martina Prilassnig, Christoph Wenisch, Florian Daxboeck, Gebhard Feierl

Abstract readComparative Study
PubMed Publisher
In one paragraph

Article in Wiener klinische Wochenschrift, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
3.9field-weighted citation impact, top 9% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed, 30 citations in OpenAlex.

  1. Trial
  2. Trial
  3. Article
  4. Article
  5. Diversity and Adaptations ofMicroorganisms · 2021
    Article
  6. Effect ofFood science & nutrition · 2019
    Article
  7. Article
  8. Enumeration ofMicroorganisms · 2019
    Article
  9. Quantitative Recovery of ViableFrontiers in microbiology · 2018
    Article
  10. Insights from 100 Years of Research with ProbioticEuropean journal of microbiology & immunology · 2016
    Review
  11. Review
  12. Article
  13. The gut is the epicentre of antibiotic resistance.Antimicrobial resistance and infection control · 2012
    Article
  14. Article
  15. Article
  16. Review
  17. Article
  18. Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

4 authors at 3 institutions in 1 country.

Martina Prilassnig4. Medizinische Abteilung mit Infektions- und Tropenmedizin, SMZ-Süd-Kaiser Franz Josef Spital, Vienna, Austria.
Christoph Wenisch
Florian Daxboeck
Gebhard Feierl
Kaiser-Franz-Josef-Spital · ATMedical University of Graz · ATVienna General Hospital · AT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

goalsAssessment of the presence of probiotic bacteria in feces after oral ingestion.

backgroundProbiotic bacteria are said to have beneficial effects on the host. As a precondition for any effect, probiotic strains must survive passage through the gastrointestinal tract. STUDY: The feces of seven volunteers were analyzed for the presence of probiotic strains after one week's oral ingestion of each of six commercially available products: E. coli Nissle 0.5-5 x 10(9) cells (Mutaflor), Enterococcus faecium SF 68 7.5 x 10(7) cells (Bioflorin), Lactobacillus acidophilus and Bifidobacterium infantis both 1 x 10(9) cells (Infloran), Lactobacillus gasseri and Bifidobacterium longum both 1 x 10(8) cells (Omniflora), Lactobacillus casei rhamnosus 1 x 10(9) cells (Antibiophilus), and yoghurt enriched with Lactobacillus casei Immunitas 1 x 10(10) cells (Actimel). Ten colonies were selected from each stool sample, and DNA was extracted and typed using random amplification of polymorphic DNA (RAPD). Typing patterns of the ingested probiotics and the fecal isolates were compared.

resultsFingerprints identical to the ingested probiotic strains were recovered from fecal samples of 4/7 volunteers after one week of Mutaflor, from 4/6 after taking Bioflorin, and from 1/6 after Infloran. Cultivation of strains of the same species from fecal specimens was negative after consumption of Antibiophilus, Omniflora and Actimel.

conclusionsAfter oral consumption of probiotics, E. coli and enterococci could be detected in stool samples (57% and 67%, respectively). In contrast, with only one exception, ingested lactobacilli and bifidobacteria could not be detected in human feces.

Indexed as

Administration, OralBifidobacteriumColony Count, MicrobialDNA, BacterialEnterococcusEscherichia coliFecesGastrointestinal TractGastrointestinal TransitHumansLactobacillusPolymerase Chain ReactionProbioticsDNA, Bacterial

Identifiers

PMID17721765
OpenAlexW205939393

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.