A liquid crystalline phase in human intestinal contents during fat digestion

Lipids
P R HoltJ Weiss

Abstract

A viscous, gel-like phase was found in ultracentrifuged human upper intestinal contents collected during rapid fat lipolysis. This "gel" phase was layered in the ultracentrifuge tube between the micellar and oil phase. The gel contained lipids typical of the micellar and not the oil phase. The concentration of these lipids was higher and the ratio of total bile salts to lipids was lower in the gel than in the micellar phase. The gel, unlike the micellar phase, was birefringent between crossed polarizers. These data demonstrate that lipids in this gel phase can form liquid crystals in the gut during fat digestion.

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Citations

Jan 23, 2009·American Journal of Physiology. Endocrinology and Metabolism·Jahangir Iqbal, M Mahmood Hussain
Aug 11, 2007·Bioscience, Biotechnology, and Biochemistry·Shizuko TachibanaRyuichiro Sato
Mar 31, 2005·Seminars in Cell & Developmental Biology·David Y Hui, Philip N Howles
Apr 19, 2011·Journal of Controlled Release : Official Journal of the Controlled Release Society·Tri-Hung NguyenBen J Boyd
Jan 1, 1990·Archives of Biochemistry and Biophysics·R J DeLange, A N Glazer

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