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Digestive diseases and sciences, 1999-07, Vol.44 (7), p.1423-1427
1999
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Details

Autor(en) / Beteiligte
Titel
Effect of a dietary nonionic surfactant on small intestinal nutrient transport
Ist Teil von
  • Digestive diseases and sciences, 1999-07, Vol.44 (7), p.1423-1427
Ort / Verlag
Heidelberg: Springer
Erscheinungsjahr
1999
Quelle
SpringerLINK Contemporary (Konsortium Baden-Württemberg)
Beschreibungen/Notizen
  • Nonionic surfactants are commonly present in many prepared foods and drug formulations as stabilizing agents. The aim of the current study was to examine the effect of the common nonionic surfactant Tween-80 on jejunal glucose transport. New Zealand White rabbits (800-1200 g) were fasted for 24 hr. Jejunal tissue was stripped and mounted in short-circuited Ussing chambers. Unidirectional 3-O-methyl glucose fluxes were determined during a 15-min basal transport period and a subsequent 15-min experimental period after the mucosal addition of Tween-80 at final concentrations of 0.001%, 0.01%, 0.05%, and 0.1%. Tween-80 at final concentrations of 0.1% and 0.05% significantly increased net 3-O-methyl glucose transport over basal levels. The increase in Jnet was due to a significant increase in the absorptive Jm-s flux. Tween-80 at 0.01% and 0.001% did not significantly alter net glucose transport although Jm-s was significantly increased in the presence of 0.01% Tween-80. Tween-80, in concentrations commonly found in prepared foods, enhances the intestinal absorption of glucose.

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