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Journal of Lipid Research, Vol. 11, 167-169, March 1970
Copyright © 1970 by Lipid Research, Inc.

Gel permeation chromatography of neutral hydroxy lipids on Sephadex LH-20

M. Calderon and W. J. Baumann

University of Minnesota, The Hormel Institute, Austin, Minnesota 55912

Gel-permeation chromatography on Sephadex LH-20, using ethanol as eluent, permits the resolution of neutral hydroxy lipids according to molecular size. The influence of molecular shape, functional groups, chain lengths, and degree of unsaturation, as well as the effect of the eluent on the elution pattern are discussed. The usefulness of the method for the separation of classes of hydroxy lipids which cannot be resolved by other chromatographic procedures, is demonstrated. Examples include the separations of 1,2- and 1,3-diglycerides from long-chain alcohols, and of alkyl ethanediol monoethers from cholesterol.

Supplementary key words gel filtration • lipophilic Sephadex • diglycerides • alcohols • cholesterol • dialkyl glycerol ethers • alkyl ethanediol ethers • diol lipids

Submitted on August 29, 1969
Accepted on November 7, 1969

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