The metabolism of structured triacylglycerols

The triacylglycerol (TAG) structure in addition to the overall fatty acid profile is of importance when considering the nutritional effect of a dietary fat. This review aims at summarizing our current knowledge of the digestion, absorption, uptake, and transport of structured TAGs, with particular e...

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Bibliographic Details
Published in:Progress in lipid research 2005-11, Vol.44 (6), p.430-448
Main Authors: Mu, Huiling, Porsgaard, Trine
Format: Article
Language:English
Subjects:
Absorption
Chylomicrons - metabolism
Dietary Fats - metabolism
Digestion
Digestion - physiology
Fatty Acids, Nonesterified - metabolism
Feces - chemistry
Gastric emptying
Humans
Intestinal Absorption - physiology
Lipase - metabolism
Lipid Metabolism
Liver - metabolism
Metabolic Clearance Rate
Metabolism
Postprandial Period
Structured lipids
Triglycerides - blood
Triglycerides - metabolism
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Description
Summary:The triacylglycerol (TAG) structure in addition to the overall fatty acid profile is of importance when considering the nutritional effect of a dietary fat. This review aims at summarizing our current knowledge of the digestion, absorption, uptake, and transport of structured TAGs, with particular emphasis on the following aspects: gastric emptying, specificity of pancreatic lipase, lymphatic transport and clearance of chylomicrons, effects of lipid structure on tissue lipid compositions and the fecal loss of fats. So an overview will be provided for how the structure and fatty acid composition of TAGs affect their absorption and the distribution of the fatty acids in the body following digestion and absorption.
ISSN:0163-7827
1873-2194
DOI:10.1016/j.plipres.2005.09.002