The isolation and characterization of trigalactosyl diglyceride from potato tubers.
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ABSTRACT: Trigalactosyl diglyceride has been isolated from tubers of potato (Solanum tuberosum) by a combination of chromatographic methods. This galactolipid, which constitutes approximately 1% by weight of the total lipids, was characterized by analysis of the intact lipid and its deacylation product. The fatty acids:glycerol:galactose molar proportions were shown to be close to 2:1:3. Evidence was obtained that suggests that trigalactosyl diglyceride is a higher homologue of mono- and di-galactosyl diglycerides and contains an additional d-galactopyranosyl moiety that is linked alpha-(1-->6) to the terminal galactose unit of digalactosyl diglyceride.
SUBMITTER: Galliard T
PROVIDER: S-EPMC1185106 | biostudies-other | 1969 Nov
REPOSITORIES: biostudies-other
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