Effect of calyx capsule-ethanol extract Hibiscus sabdariffa L. on renal function of healthy volunteers

Hibiscus sabdariffa contains flavonoid, triterpenoid, anthocyanin which function as immunostimulant. H. sabdariffa is considered safe for animal renal; nonetheless, there are known side effects of which need to be further investigated for human renal. This research aims to investigate the effect of calyx capsule-ethanol extract H. sabdariffa for renal function of healthy male and female for 30 days period by monitoring Scr and Clcr component in their blood samples. The method of this experimental research was by pre and post-treatment by involving 20 healthy volunteers who have met inclusion and exclusion criteria. The volunteers have completed the informed consent for this experiment. Furthermore, volunteers were divided into two groups (10 male and 10 female). Each group was given orally 500 mg of calyx capsule-ethanol extract H. sabdariffa per day for 30 days period. Blood tests were taken on day 0, day 30 after consuming the capsule and day 45 (15 days after the last day of capsule intake) in order to measure the Scr and Clcr concentration in the blood samples by using Jaffe dan Cockcroft-Gault method. The results of each sampling day were further analyzed statistically and compared using Repeated ANOVA dan Friedman test. The results suggest that there was a difference in the renal function on day 0, 30 and 45 samplings. However, there was no significant difference in Scr dan Clcr concentrations on female and male volunteers (p>0.05). Specifically, the type of gender affects Scr concentration (p<0.05); however, it does not affect Clcr concentration (p>0.05). In addition, age and Body Mass Index (BMI) does not affect Scr and Clcr concentrations (p>0.05). The side effects discovered through the monitoring increased in mixturition and bloatedness. Calyx capsule-ethanol extract H. sabdariffa does not affect on renal function of healthy volunteers.

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