Endogenous lipid composition of the intestinal lymph of rats raised on fat-free, lard, or corn oil diets

Studies are reported on the structure of triglycerides from the intestinal lymph of fasted rats grown from weaning to 4 months of age on a fat-free diet or on diets containing lard or corn oil. Experiments are also reported on the incorporation of dietary palmitic-1-C14, oleic-1-C14, and linolenic a...

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Main Authors: B. Verdino, M.L. Blank, O.S. Privett
Format: Article
Language:English
Published: Elsevier 1965-07-01
Series:Journal of Lipid Research
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S0022227520393044
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author B. Verdino
M.L. Blank
O.S. Privett
author_facet B. Verdino
M.L. Blank
O.S. Privett
author_sort B. Verdino
collection DOAJ
description Studies are reported on the structure of triglycerides from the intestinal lymph of fasted rats grown from weaning to 4 months of age on a fat-free diet or on diets containing lard or corn oil. Experiments are also reported on the incorporation of dietary palmitic-1-C14, oleic-1-C14, and linolenic acids and of tripentadecanoin into the triglycerides of the intestinal lymph of animals in the above groups. These studies show that the distribution of the fatty acids among the triglycerides synthesized in the intestinal mucosa does not conform to a random pattern.The composition of endogenous lipid (determined by the prolonged feeding period) was found to influence both the relative extent of incorporation of fatty acids into triglycerides or phospholipids, and also the resynthesis of different fatty acids into triglycerides.Linoleic acid was predominantly in the Β-position of triglycerides of which it was a constituent, and palmitic acid was predominantly in the Β-position in triglycerides containing fatty acids other than linoleic acid.
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spelling doaj.art-87131b6093ba45d892ae487b912f5efc2022-12-21T19:53:44ZengElsevierJournal of Lipid Research0022-22751965-07-0163356362Endogenous lipid composition of the intestinal lymph of rats raised on fat-free, lard, or corn oil dietsB. Verdino0M.L. Blank1O.S. Privett2The Hormel Institute, University of Minnesota, Austin, MinnesotaThe Hormel Institute, University of Minnesota, Austin, MinnesotaThe Hormel Institute, University of Minnesota, Austin, MinnesotaStudies are reported on the structure of triglycerides from the intestinal lymph of fasted rats grown from weaning to 4 months of age on a fat-free diet or on diets containing lard or corn oil. Experiments are also reported on the incorporation of dietary palmitic-1-C14, oleic-1-C14, and linolenic acids and of tripentadecanoin into the triglycerides of the intestinal lymph of animals in the above groups. These studies show that the distribution of the fatty acids among the triglycerides synthesized in the intestinal mucosa does not conform to a random pattern.The composition of endogenous lipid (determined by the prolonged feeding period) was found to influence both the relative extent of incorporation of fatty acids into triglycerides or phospholipids, and also the resynthesis of different fatty acids into triglycerides.Linoleic acid was predominantly in the Β-position of triglycerides of which it was a constituent, and palmitic acid was predominantly in the Β-position in triglycerides containing fatty acids other than linoleic acid.http://www.sciencedirect.com/science/article/pii/S0022227520393044lipidsintestinal lymphratfatty acid compositionphospholipidstriglyceride synthesis
spellingShingle B. Verdino
M.L. Blank
O.S. Privett
Endogenous lipid composition of the intestinal lymph of rats raised on fat-free, lard, or corn oil diets
Journal of Lipid Research
lipids
intestinal lymph
rat
fatty acid composition
phospholipids
triglyceride synthesis
title Endogenous lipid composition of the intestinal lymph of rats raised on fat-free, lard, or corn oil diets
title_full Endogenous lipid composition of the intestinal lymph of rats raised on fat-free, lard, or corn oil diets
title_fullStr Endogenous lipid composition of the intestinal lymph of rats raised on fat-free, lard, or corn oil diets
title_full_unstemmed Endogenous lipid composition of the intestinal lymph of rats raised on fat-free, lard, or corn oil diets
title_short Endogenous lipid composition of the intestinal lymph of rats raised on fat-free, lard, or corn oil diets
title_sort endogenous lipid composition of the intestinal lymph of rats raised on fat free lard or corn oil diets
topic lipids
intestinal lymph
rat
fatty acid composition
phospholipids
triglyceride synthesis
url http://www.sciencedirect.com/science/article/pii/S0022227520393044
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