Pamelo leaves have bioactive compounds, saponin and phenolic compounds are thought to contribute to the magnitude of toxic effects. Flavonoids, alkaloids, and steroids can disrupt the function of the digestive system and also have toxic characteristics. Therefore, the purpose of this study was to determine the acute toxic activity of pomelo leaf infusion (Citrus maxima) so that pomelo leaf infusion is safe to use. Making Pomelo Leaf Infusion, Treatment of Experimental Animals, Determination of LD50. From the results obtained, death in mice Concentration 2.7% (no death), Concentration 5.4% (no death), Concentration 10.8% (death 3), In normal / negative control (aquadest) given did not cause death. The results of the LD50 value of 7,079 mg / kg. The conclusion of this study shows that at a concentration of 10.8%, there was death in 3 mice from the test animals used, the result of the LD50 calculation was 7,079 mg/kg. Based on the calculation of the Indonesian Pharmacopoeia method, if the LD50 value produced is 5-15 gr, then the pomelo leaf infusion (Citrus maxima) is included in the non-toxic practice category.
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