Abstract
Neutral fats of animal, plant and microbial origin contain minor amounts of two new types of lipids: long-chain diesters of dihydric alcohols and 1-alkenyl ethers of their monoesters. These lipids are not usually separated from triglycerides by column or thin-layer chromatography, but may be detected by high-temperature gasliquid chromatography. Among the dihydric alcohols entering into the composition of neutral lipids from corn seeds, soil yeasts (Lipomyces sp.) and rat liver, ethylene glycol, propane-1,2-diol, propane-1,3-diol, butane-1,3-diol and butane-1,4-diol were identified. The new class of lipids, for which the general term diol lipids is suggested, is apparently widespread in nature.
Published Version
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