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KMID : 1161420140170070826
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Journal of Medicinal Food
2014 Volume.17 No. 7 p.826 ~ p.829
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Preventive Effect of Monascus-Fermented Products Enriched with Ubiquinones on Type 2 Diabetic Rats Induced by a High-Fructose Plus High-Fat Diet
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Pyo Young-Hee
Lee Kyung-Won
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Abstract
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The aim of the present study was to investigate whether the aqueous extract of Monascus-fermented grains (MFGEs) enriched with ubiquinones (Coenzyme Qs, CoQ9+CoQ10) alleviates high-fructose (60%) plus high-fat (20%) diet (HFD)-induced hyperglycemia and hepatic oxidative stress in male Sprague?Dawley rats. Animals were fed HFD for 16 weeks and orally administered with MFGEs (300?mg/kg/day) or atorvastatin (20?mg/kg/day) for the last 4 weeks of the study. HFD-fed rats exhibited hyperglycemia, hyperinsulinemia, impaired glucose tolerance, and impaired insulin sensitivity. MFGE treatment prevented the increase in glucose levels and index of insulin resistance in the HFD-induced diabetic rats. A significant decrease in hepatic lipid peroxidation and significant increases in hepatic superoxide dismutase, catalase, and glutathione peroxidase were observed in the MFGE supplemented group. The results suggest that dietary supplementation with MFGEs enriched with CoQs exerts an antidiabetic effect in type 2 diabetic rats by improving insulin resistance and hepatic antioxidant enzymes.
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KEYWORD
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antioxidant enzymes, atorvastatin, coenzyme Qs, hyperglycemia, insulin sensitivity, Monascus-fermented grains
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