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Eur J Clin Nutr. 2001 Jun;55(6):509-12.

Hydrogen excretion upon ingestion of dairy products in lactose-intolerant male subjects: importance of the live flora.

Author information

  • 1OPTIMED, Gières, France. OPTIMED54@aol.com

Abstract

OBJECTIVE:

To assess the effects of the ingestion of milk, yoghurt (10(8) bacteria/ml), heat-treated yoghurt (<15 bacteria/ml) and two products obtained by dilution of yoghurt with heat-treated product (10(6) and 10(5) bacteria/ml) on hydrogen production and symptoms of lactose intolerance in lactose malabsorbers.

DESIGN:

Double-blind, randomised cross-over design.

SETTING:

The study was performed in the phase 1 clinical unit of OPTIMED, Nancy, France.

SUBJECTS:

Twenty-four male lactose malabsorbers were selected for the study.

INTERVENTIONS:

Hydrogen production and adverse events were followed during 8 h after ingestion of the products.

RESULTS:

The results clearly demonstrate that ingestion of yoghurt with 10(8) bacteria/ml leads to lower H(2) excretion and complaints than the other products. Results observed with the products containing a reduced population of live flora remain better than those observed with milk.

CONCLUSIONS:

The importance of a high population of the live flora is underlined.

PMID:
11423928
DOI:
10.1038/sj.ejcn.1601169
[PubMed - indexed for MEDLINE]
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