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Background: Dyslipidemia is widely known as a significant contributor to the incidence of cardiovascular diseases (CVD). Over the years, traditional therapeutic strategies, including the use of herbs, have been recognized. Marsilea crenata Presl. (MC), or a plant known for its phytoestrogen content, has shown biological activities similar to oestrogen. These activities comprise the reduction of serum cholesterol levels, thereby having potential roles in managing dyslipidaemia and its associated cardiovascular risks.
Objective: This study aims to examine the effects of ethyl acetate extracts of MC leaves on the serum lipid profile of experimental rats with dyslipidaemia induced by high-fat diet (HFD).
Methods: This study applied a pretest-post-test study design with control group, involving 30 rats which are divided into 5 treatment groups, namely N (normal), HFD, STA (Simvastatin), MC1, MC2, and MC3. Group N was only treated with standard feed, and the others received HFD on days 1-14. On the 15th – 28th day, the HFD group was treated with standard feed, and the STA group received simvastatin 0.36 mg/200 g BW/day. The groups of MC1, MC2, and MC3 were treated with oral MC extracts at 100, 200, and 400 mg/kgBW, respectively. Their body weight was measured at the beginning of the study, as well as after 2 and 4 weeks. Subsequently, the experimental rats were fasted overnight on the 14th and 28th day. Their blood was collected on the 15th day (pre-test) and 29th day (post-test) to measure serum concentration of total cholesterol (TC), triglycerides (TG), and high-density lipoprotein cholesterol (HDL-c). Low-density lipoprotein cholesterol (LDL-c) concentration was also calculated by using the Friedewald formula.
Results: MC3 extracts significantly reduced the TC (-40.95 ± 1.77), TG (-46.12 ± 3.79), and LDL-c levels (-0.017 ± 0.010), and it also increased levels of HDL-c (11.28 ± 2.34) mg/dL in the HFD-induced rats.
Conclusion: Ethyl acetate extracts of MC leaves could reduce risk factors for atherosclerosis by returning lipid profile of the dyslipidemic rats to normal conditions with an increased dose.

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How to Cite
Susilo, J., Oktianti, D., Ashari, F. W., & Nurfahmi, A. (2023). Effects of ethyl acetate extracts of Marsilea crenata Presl. leaves on risks of atherosclerosis in dyslipidemic rats. JKKI : Jurnal Kedokteran Dan Kesehatan Indonesia, 14(3), 256–264.