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  • Title: Comparative hypocholesterolemic effects of capybara (Hydrochoerus hydrochaeris dabbenei) oil, horse oil, and sardine oil in cholesterol-fed rats.
    Author: Fukushima M, Takayama Y, Habaguchi T, Nakano M.
    Journal: Lipids; 1997 Apr; 32(4):391-5. PubMed ID: 9113627.
    Abstract:
    The hypocholesterolemic efficacy of various polyunsaturated fatty acids was compared in rats given cholesterol-enriched diets. Capybara oil (CO, linoleic + alpha-linolenic acids), horse oil (HO, alpha-linolenic acid), and sardine oil (SO, eicosapentaenoic + docosahexaenoic acids) were added to diets at 50 g/kg. The weight gain, food intake, and liver weight in the CO-fed group were significantly higher than those in other groups during the 6-wk experimental period. The serum total and very low density lipoprotein (VLDL) + intermediate density lipoprotein (IDL) + low density lipoprotein (LDL) cholesterol concentrations of the CO-fed and SO-fed groups were significantly lower than in the HO-fed group after 6 wk. The serum high density lipoprotein cholesterol concentration in the SO-fed group was significantly higher than that in the CO-fed and HO-fed groups. The fecal neutral sterol concentration in the CO-fed group was reduced significantly compared with the other groups, and the fecal bile acid concentration in the HO-fed group was significantly higher than that in the SO-fed group. The results of this study demonstrate that CO lowers the serum total cholesterol and VLDL + IDL + LDL-cholesterol concentrations in the presence of excess cholesterol in the diet as well as SO.
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