Cholesterol is obtained through biosynthesis and diet. When a level of cholesterol is above the normal level, this condition caused hypercholesterolemia. Long-term administration of synthetic chemical drugs can cause liver damage. Therefore, alternative natural medication is needed. One of the alternatives that can be used is the rice bran (RB), which contains antioxidant and crude fiber. This study is aimed at finding out the potential utilization of RB on total cholesterol level, liver enzyme as aspartate aminotransferase (AST) and alanine aminotransferase (ALT), malondialdehyde (MDA), and the changes in liver tissue. This study uses five groups of rats: the negative control group, positive control group, and three therapy groups with the dosage of 270 mg kg-1 , 540 mg kg-1 , and 810 mg kg-1 of body weight. This study shows that therapy using RB can significantly decrease the cholesterol level, AST, ALT, and MDA (p<0.01). The total cholesterol level is 21%, AST and ALT activities can be reduced to 54% and 64%, the level of MDA reduced to 79% and can repair the liver tissue. This study shows that RB can be effectively used as hepatoprotective in rats with hypercholesterolemia.
Rice bran cereals could used as the alternative treatment on hypercholesterolemia condition. Tocopherol as an antioxidant and dietary fiber as cellulose, hemicellulose, and lignin which contained in rice bran cereals have the potential to decrease total cholesterol and malondialdehyde levels. The aims of this study are to determine the role of rice bran cereals to decrease total cholesterol, malondialdehyde levels and improve the histopathology of the aortic organ due to hypercholesterolemia. This study used rats (Rattus Norvegicus) as animals model which were divided into 5 groups: control group (healthy rats), hypercholesterolemia group (sick rat) and 3 therapy groups with variation dose respectively 270, 540 and 810 mg/kg body weight. Data analysis for total cholesterol and malondialdehyde levels used one-way ANOVA with α = 0.05 with Tukey test as follow-up test. The results of statistical analysis proved that rice bran cereals with dose of 810 mg/kg body weight affect for the changes of total cholesterol and malondialdehyde levels which are 21.72% and 50.88%, respectively. In addition, results showed that rice bran cereals therapy could significantly influence (p = 0.05) decrease of total cholesterol, malondialdehyde levels and improve the histopathology of aortic organ in hypercholesterolemic rats.
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