PMID: 6104772May 1, 1980Paper

Effect of oxidized oil on lipogenic enzymes

Lipids
N IritaniY Kitamura

Abstract

Male Wistar rats were fed for 4 wk on diets containing 2% oxidized corn oil. Liver tissue was then studied to determine the effect of feeding peroxidized oil on lipogenic enzymes. Although substances which reacted with thiobarbituric acid increased in liver microsomes and mitochondria with increasing peroxide values of the dietary corn oil fed, the activities of glucose-6-phosphate dehydrogenase, malic enzyme and acetyl-CoA carboxylase in liver were unchanged. However, when rats were fed for 2 wk on diets containing 10% fat, of which 0.5, 5 or 10% was unoxidized corn oil and the remainder was hydrogenated beef tallow filler, the lipogenic enzyme activities and also the liver triglyceride levels were observed to decrease with increasing amounts of dietary corn oil. Therefore, although a synthetic diet containing corn oil was easy to oxidize spontaneously, the reductions of lipogenic enzymes in rats fed the diet would not have been caused by lipid peroxides but by unsaturated fatty acids themselves.

References

Jan 1, 1977·Annual Review of Biochemistry·K Bloch, D Vance
Jun 22, 1976·Biochimica Et Biophysica Acta·P B McCrayK R Hornbrook
Jan 6, 1970·Biochemical and Biophysical Research Communications·Y Muto, D M Gibson
Nov 1, 1968·Clinica Chimica Acta; International Journal of Clinical Chemistry·M J Fletcher

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Citations

May 22, 1988·Biochimica Et Biophysica Acta·M OaradaT Kaneda

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