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J Appl Microbiol. 2002;93(1):157-62.

Influence of resistant starch on the SCFA production and cell counts of butyrate-producing Eubacterium spp. in the human intestine.

Author information

1
Deutsches Institut für Ernährungsforschung, Abteilung Gastrointestinale Mikrobiologie, Germany. andy@www.dife.de

Abstract

AIMS:

The genus Eubacterium, which is the second most common genus in the human intestine, includes several known butyrate producers. We hypothesized that Eubacterium species play a role in the intestinal butyrate production and are inducible by resistant starch.

METHODS AND RESULTS:

In a human pilot study species-specific and group-specific 16S rRNA-targeted, Cy3 (indocarbocyanine)-labelled oligonucleotide probes were used to quantify butyrogenic species of the genera Eubacterium, Clostridium and Ruminococcus. Following the intake of RS type III a significant increase in faecal butyrate but not in total SCFA was observed. However, increase in butyrate was not accompanied by a proliferation in the targeted bacteria.

CONCLUSIONS:

The tested Eubacterium species have the capacity to produce butyrate but do not appear to play a major role for butyric acid production in the human intestine.

SIGNIFICANCE AND IMPACT OF THE STUDY:

In view of the fact that the bacteria responsible for butyrate production are largely unknown, it is still difficult to devise a dietary intervention to stimulate butyrogenic bacteria in a targeted way.

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