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American Journal of Clinical Nutrition, Vol 60, 216-222, Copyright © 1994 by The American Society for Clinical Nutrition, Inc

ORIGINAL RESEARCH COMMUNICATIONS

Effect of low and high amounts of a structured lipid containing fish oil on protein metabolism in enterally fed burned rats

KJ Selleck, JM Wan, CJ Gollaher, VK Babayan and BR Bistrian
Laboratory of Nutrition/Infection, New England Deaconess Hospital, Harvard Medical School, Boston, MA 02215.

To determine the optimal fat intake and source in nutritional support, we measured the protein-sparing effects of a structured lipid (SL) derived from 60% medium-chain triglyceride (MCT) and 40% fish oil and a 50:50 soybean to safflower oil emulsion (long-chain triglyceride, LCT). Male Sprague-Dawley rats received an enteral diet for 7 d with either all nonprotein energy as dextrose (control diet) or 10% or 35% nonprotein energy as SL or LCT. The rats were burned on day 3. Indirect calorimetry and nitrogen balance were measured on day 2 (preburn) and days 4 and 6 (postburn). Respiratory quotient decreased postburn. There was a significant increase in total energy expenditure postburn, particularly with 35% LCT. Nitrogen balance was best without fat and 10% fat compared with 35% fat and with SL compared with LCT. These results confirm previous studies that fish oil-containing SLs possess protein-sparing effects in burn injury and that 10% SL seems optimal for nutritional support in burn injury.


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and Carl-Erik Hoy;
Structured Lipids Improve Fat Absorption in Normal and Malabsorbing Rats
J. Nutr., November 1, 2000; 130(11): 2802 - 2808.
[Abstract] [Full Text] [PDF]


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Copyright © 1994 by The American Society for Nutrition