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The effect of dietary fats on the plasma lipid composition of sheep
Author(s) -
Noble R. C.,
Ver R. G.,
Christie W. W.,
Moore J. H.,
Evans A. J.
Publication year - 1977
Publication title -
lipids
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.601
H-Index - 120
eISSN - 1558-9307
pISSN - 0024-4201
DOI - 10.1007/bf02533627
Subject(s) - triglyceride , chemistry , phospholipid , lipidology , fatty acid , composition (language) , food science , cholesteryl ester , tallow , lipoprotein , polyunsaturated fatty acid , low density lipoprotein , cholesterol , biochemistry , linguistics , philosophy , membrane
This study reports on the plasma lipid compositions of sheep fed either a control diet (C), a control diet supplemented with tallow (A) or polyunsaturated fatty acid (B) that had been protected against hydrolysis and hydrogenation in the rumen, or a control diet supplemented with maize oil (D). Diet B considerably increased the 18∶2 content of all the major plasma lipid fractions. Although the feeding of diet D also resulted in an increase in the 18∶2 contents within the cholesteryl ester, unesterified fatty acid, and phospholipid fractions the increases were considerably less than those observed with diet B; the levels of 18∶2 within the triglyceride fraction remained similar to that for the sheep which received the control diet. The effect of feeding diet A was confined solely to the triglyceride fraction where the concentrations of 16∶0 and 18∶1 were increased. The lipoproteins of the plasma were separated into very low density lipoproteins (d<1.006), low density lipoproteins (1.006
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