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Assessment of sugar absorption and small-intestinal transit time by breath hydrogen measurement in medical students

Assessment of sugar absorption and small-intestinal transit time by breath hydrogen measurement in medical students

Journal of Physiology 391: 13p.

Experiments involving active participation of a whole class of students to illustrate sugar digestion and small-intestinal transit time are described. For sugar digestion and absorption studies, breath H2 is measured every 15 min after ingestion of 50 g lactose. Most non-European students show an increase in breath H2, beginning after about 45 min and max. at about 105 min, due to low intestinal beta -galactosidase activity.

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Accession: 001533169

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