Evidence map›Paper›PMID 17620127›Full record

Trial reportNutrition journal2007

The effect of drinking milk containing conjugated linoleic acid on fecal microbiological profile, enzymatic activity, and fecal characteristics in humans.

Edward R Farnworth, Yvan P Chouinard, Helene Jacques, Sudha Venkatramanan, Akier A Maf, Sabrina Defnoun, Peter J H Jones

Abstract readRandomized Controlled Trial
In one paragraph

Trial report in Nutrition journal, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
–field-weighted citation impact
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

6 citing papers in PubMed.

  1. Review
  2. Article
  3. Article
  4. Review
  5. Article
  6. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Edward R FarnworthFood Research and Development Centre, Agriculture Canada, Saint Hyacinthe, Quebec, Canada. farnworthed@agr.gc.ca
Yvan P Chouinard
Helene Jacques
Sudha Venkatramanan
Akier A Maf
Sabrina Defnoun
Peter J H Jones

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe primary objective was to determine whether consumption of conjugated linoleic acids (CLAs) affected the fecal microbiota composition, fecal enzyme activity or fecal composition.

methodsHuman subjects consumed (1 L/day) cows' milk (4% fat) containing (5 mg/g fat) cis-9, trans-11 CLA (CONT), (32 mg/g fat) cis-9, trans-11 CLA (NAT) and (32 mg/g fat) trans-10, cis-12 CLA and cis-9, trans-11 CLA (SYN) for 8 weeks, in addition to their normal diet. Milk feeding periods were separated by 4 week washout periods. Fecal samples were obtained at the beginning (day 0) and the end (day 56) of each milk feeding period. Fecal samples were analysed for microbiological profile, enzyme activity, pH and short chain fatty acid content.

resultsSamples taken at day 0 and day 56 indicated that the numbers of lactobacilli and bifidobacteria significantly decreased after consumption of all experimental milks; total aerobes, total anaerobes, enterobacteria, and enterococci + streptococci did not change. At day 56, the activities of beta-glucosidase, nitroreductase, and urease enzymes had decreased compared to samples taken on day 0 for all treatments. beta-glucuronidase activity did not change. Fecal pH and ammonia content did not change.

conclusionIt was concluded that observed changes could have been attributed to increased milk intake; no differences could be attributed to consumption of the different CLAs.

Indexed as

FecesAdultAnimalsbeta-GlucosidaseBifidobacteriumCross-Over StudiesFatty Acids, VolatileFemaleHumansHydrogen-Ion ConcentrationHyperlipidemiasIsomerismLactobacillusLinoleic Acids, ConjugatedMaleMiddle Agedbeta-GlucosidaseFatty Acids, VolatileLinoleic Acids, ConjugatedNitroreductasesUrease

Identifiers

PMID17620127
PMCPMC1949403

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Registered trials

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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.