Rice Bran Oil and Pumpkin Seed Oil Alleviate Oxidative Injury and Fatty Liver in Rats Fed High Fructose Diet

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Nonalcoholic steatohepatitis (NASH) and nonalcoholic fatty liver disease are increasing in adults and are likely to be increasing in children. The aim of the present research was to evaluate the protective effect of rice bran oil and pumpkin seed oil against high fructose diet (HFD) inducing nonalcoholic steatohepatitis (NASH). The results showed significant elevation of plasma total and direct bilirubin, transaminases activities, total cholesterol (T-Ch), triglycerides (TG), low density lipoprotein-cholesterol (LDL-Ch), tumor necrosis factor-α (TNF-α) and malondialdehyde (MDA) with significant increase in liver TG, T-Ch and MDA along with significant reduction in plasma high density lipoprotein cholesterol (HDL-Ch) and increase in T-Ch/HDL-Ch in rats fed HFD compared to rats fed on balanced diet. Histopathology of liver of rats fed on HFD confirmed the induction of NASH. Rice bran oil and pumpkin seed oil produced improvement in the biochemical parameters with different degrees. Pumpkin seed oil reversed all histopathological changes that occur in liver tissue which became comparable to normal in some rats. In conclusion, rats fed high fructose diet are a good model for studying NASH. Rice bran oil and pumpkin seed oil afford hepato protection against NASH in rat model.

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