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American Journal of Clinical Nutrition, Vol 25, 286-290, Copyright © 1972 by The American Society for Clinical Nutrition, Inc.

Liver lipid changes in experimental protein malnutrition

G. Oladunni Taylor Ph.D.1 and V. A. Ziboh Ph.D.2

1 Lecturer, Department of Chemical Pathology, University of Ibadan, Ibadan, Nigeria
2 Department of Dermatology, University of Miami School of Medicine, Miami, Florida

A group of male albino rats were fed a low protein Nigerian diet and a second group was fed a standard diet. After maintaining them on their respective diets for four months, the rats were killed and the lipid content of their livers analyzed. There was a sevenfold increase in the neutral lipids of the experimental rats fed the low protein Nigerian diet when compared with those of the control rats fed the standard diet. There was no significant difference in the liver polar lipid content in either group. The increase of the neutral lipids in the experimental rats was in the hydrocarbons, cholesterol esters, triglycerides, diglycerides, monoglycerides, and free fatty acid fractions, but not in the free cholesterol fraction. Fatty acid compositions of the polar lipids and cholesterol esters in the livers of the experimental rats were not significantly different from those of the control rats. There was an increase in the percentages of oleic acid and a decrease in those of linoleic and arachidonic acids of both the neutral lipids and triglyceride fraction of the liver lipids of the experimental rats. In the diglycerides, monoglycerides, and free fatty acid fraction, the percentages of stearic and arachidonic acids were less, whereas the percentage of oleic acid was higher in the livers of the experimental rats than in the livers of the control rats.






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Copyright © 1972 by The American Society for Nutrition