Absorption of Cholesterol from a Micellar Solution: Intestinal Perfusion Studies in Man

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Abstract

The absorption of cholesterol has been studied in man by perfusing the upper jejunum with a micellar solution of bile salt, 1-monoglyceride, and cholesterol-14C, with a triple lumen tube with collection sites 50 cm apart. The absorption of micellar components between the collection sites was calculated from their concentration changes relative to those of the watersoluble marker, polyethylene glycol. Control experiments were performed with cholesterol-free perfusions of saline or bile salt-monoglyceride solutions. Steady state conditions were obtained.

Authors

Wilfred J. Simmonds, Alan F. Hofmann, Emanuel Theodor