Identification and characterization of fully deuterated fatty acids isolated fromScenedesmus obliquus cultured in deuterium oxide |
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| Authors: | Gustav Graff Patricia Szczepanik Peter D Klein J R Chipault Ralph T Holman |
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| Affiliation: | (1) The Hormel Institute, University of Minnesota, 55912 Austin, Minn.;(2) Argonne National Laboratory, 60439 Argonne, Ill. |
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| Abstract: | The algaScenedesmus obliquus cultured in deuterated water, synthesized fully deuterated saturated and unsaturated long chain fatty acids. Their methyl
esters were purified and their equivalent chain lengths were determined by gas liquid chromatography (GLC). They were characterized
by mass spectroscopy, IR and near-IR spectroscopy, and NMR spectroscopy. Hexadeca-3,6-dienoic acid was identified. The fatty
acid compositions of the total lipid and of individual lipid classes were measured. The melting point of methyl perdeuteriohexadecanoate
was lower than that of its hydrogen counterpart. Methyl esters of perdeuterio fatty acids had shorter retention times in GLC
chromatography on polar and nonpolar phases.
Presented before ISF-AOCS Congress, Chicago, September 1970. |
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