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Cited by 25Lipid metabolism and disordersLipid metabolism and biosynthesisFatty Acid Research and Health

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Fatty acid esterification and chylomicron formation during fat absorption in rat: III. Positional relations in triglycerides and lecithin

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Whyte, Malcolm, Goodman, DeWitt S., Karmen, Arthur·1965·Journal of Lipid Research
DOI 10.1016/s0022-2275(20)38989-6
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Abstract

Chylomicron triglyceride and lecithin obtained after feeding mixtures of three or four free fatty acids to rats were hydrolyzed using pancreatic lipase and phospholipase A respectively. The distribution of fatty acid mass and radioactivity in the substrate materials and in the cleavage products was determined by gasȓliquid chromatography.The incorporation of exogenous (labeled) fatty acids into different positions was nearly random in the triglycerides but markedly nonrandom in lecithin where saturated acids, especially stearic acid, were predominantly esterified at the α′-position and polyunsaturated fatty acids at the Β-position.Specific radioactivity measurements were interpreted as showing greater than random amounts of endogenous (unlabeled) palmitic acid on the α′-position of lecithin and, to a small extent, of endogenous linoleic acid on the Β-position of triglyceride.

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Metadata

Authors
Whyte, M., Goodman, D. S., & Karmen, A.
Affiliations
  • National Heart Institute (IN)
  • National Institutes of Health (US)
Venue
Journal of Lipid Research
Publisher
Elsevier BV
Published
1965-04
Volume
6
Issue
2
Pages
233-240
ISSN
0022-2275 (ISSN-L)
DOI
10.1016/s0022-2275(20)38989-6
OpenAlex
W2286980272
Cited by
25
References
0
Citations by year
2022: 1 · 2016: 1
FWCI
4.35
Type
journal article
Language
en
Open access
Licence
Locations
  • Journal of Lipid Research (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Lipid metabolism and disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
  • Health Sciences › Nursing › Nutrition and Dietetics › Fatty Acid Research and Health
Keywords
fatty acid esterification, chylomicron formation, fat absorption, triglycerides, lecithin, fatty acid positional distribution, palmitic acid, linoleic acid, stearic acid, polyunsaturated fatty acids, pancreatic lipase, phospholipase A, free fatty acids, rats
MeSH terms
Carbon Isotopes, Chylomicrons, Esterification, Fatty Acids, Glycerides, Lipase, Phosphatidylcholines, Phospholipases, Research, Triglycerides, Lipid Metabolism, Rats, Lecithins

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CoChat. (2026). Citation check: Fatty acid esterification and chylomicron formation during fat absorption in rat: III. Positional relations in triglycerides and lecithin. https://app.cochat.ai/papers/10.1016/s0022-2275(20)38989-6
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Whyte, M., Goodman, D. S., & Karmen, A. (1965). Fatty acid esterification and chylomicron formation during fat absorption in rat: III. Positional relations in triglycerides and lecithin. Journal of Lipid Research. https://doi.org/10.1016/s0022-2275(20)38989-6

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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