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Diet of high lipids cause hyperlipidemia, which marked by an increase of total cholesterols, triglycerides, LDL-C, and decreasing of HDL-C. Hyperlipidemia lead the occurrence of atherosclerosis, one of factors that trigger cardiovascular disease, as hypertention; coronary heart and stroke. Parijoto (M. speciosa) is endemic plants in Asia with a distribution center in Malaysia, Indonesia and Philippines. Parijoto contain phytochemical components such as flavonoids, saponins and kardenolin. Flavonoid potensial as an antioxidants and can improve the hyperlipidemia condition. This study was aimed to determine lipid profiles and atherogenic index of hyperlipidemic Wistar rats (R. norvegicus Berkenhout, 1769) which given the methanolic extract of Parijoto (M. speciosa). The research was done with pre and post test randomized control group design. Rats were given a mixture of duck yolk and reused cooking oil (1:1) orally as much as 1% of body weight (BW) for 30 days. After hyperlipidemia achieved, rats were divided into 5 group: normal rats, hyperlipidemic rats, hyperlipidemic rats were given the methanolic extract of Parijoto (M. speciosa) 500 mg/kg, 1000 mg/kg, and 1500 mg/kg BW. Blood samples were collected when rats in hyperlipidemia conditions and after treatment with the methanolic extract of Parijoto (M. speciosa) for 30 days. The data of total cholesterol, HDL-Cholesterol, LDL-Cholesterol level, and atherogenic index were analyzed using ANOVA followed by Tukey test at 5% significance level. The result showed that giving of methanolic extract of Parijoto (M. speciosa) in hyperlipidemic rats reduced the total cholesterol, LDL-Cholesterol levels, and increased of HDL-cholesterol levels significantly (p<0.01), so atherogenic index reduced significantly too (p<0.01). Total cholesterol and LDL-Cholesterol levels were positively correlated with the atherogenic index, whereas HDL-cholesterol levels were negatively correlated with the atherogenic index.
Sa’adah et al. (Sun,) studied this question.