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American Journal of Clinical Nutrition, Vol 8, 310-314, Copyright © 1960 by The American Society for Clinical Nutrition, Inc.
1 From the Department of Biochemistry, University of Texas Southwestern Medical School, Dallas, Texas
Available evidence suggests that most of the fatty acids of ingested triglycerides are absorbed as unesterified fatty acids and not as glycerides. Some phospholipid fraction may be involved in the transport of the fatty acids into the mucosa or their conversion into triglycerides. After release into the blood largely as triglycerides in chylomicron form, the fatty acids are transported at least partly with the aid of the blood lipoproteins. It is possible that the unesterified fatty acids released from these lipoproteins are the most metabolically active form of fat and that they are the major form involved in the transport of fat across cell membranes.
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