Hypolipidemic and anti-atherogenic effects of long-term Cholestin (Monascus purpureus-fermented rice, red yeast rice) in cholesterol fed rabbits
2003
Wei, W. | Li, C. | Wang, Y. | Su, H. | Zhu, J. | Kritchevsky, D.
Long-term effects of Cholestin (Monascus purpureus rice; red yeast rice) on serum lipids and severity of atherosclerosis were examined in rabbits fed for 200 days on a semi-purified diet containing 0.25% cholesterol. Serum total cholesterol was 25 and 40% lower, respectively, in rabbits fed 0.4 or 1.35 g/kg/day of Cholestin (Monascus purpureus rice; red yeast rice) compared to controls. This treatment also lowered serum LDL cholesterol. This 200-day treatment significantly reduced serum triglycerides and atherosclerotic index (ratio of non-HDL-cholesterol to HDL-cholesterol). Although similar reductions of total, LDL-cholesterol and triglycerides were observed, a parallel group of rabbits fed lovastatin (0.0024g/kg/day) failed to reduce the index significantly. Apolipoprotein A1 was increased and apolipoprotein B was reduced in all treatment groups. Severity of atherosclerosis was reduced significantly in all treatment groups. The sudanophilic area of involvement was 80.6% in controls, and reduced significantly; to 30.1% on the low dose of Cholestin (Monascus purpureus rice; red yeast rice), and 17.2% on the high dose. Lovastatin reduced severity of lesions by 89% (sudanophilia) and 84% (visual). Visual grading of lesion severity showed reduction by 38% and 68%.
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