Preclinical Safety Assessment Of The Crude Extract From Sida Rhombifolia L. Aerial Parts In Experimental Models Of Acute And Repeated-Dose 28 Days Toxicity In Rats
REGULATORY TOXICOLOGY AND PHARMACOLOGY(2021)
摘要
Sida rhombifolia (Malvaceae) is popularly used as a treatment for several pathological conditions; however, there is a lack of studies that identify its compounds and that evaluate comprehensively the safety of its consumption. Therefore, the aim of this study was to determinate the phytochemical constitution of the crude extract of Sida rhombifolia (CESR), and its safety in models of acute and repeated doses (28 days) toxicity. The tested dose for the model of acute toxicity was 2000 mg/kg doses for the repeated dose model were 150, 300 e 600 mg/kg. Hematological, biochemical, histopathological and oxidative markers were investigated. HPLC-DAD-MS analysis evidenced the presence of caffeic acid, coumarin, and rutin. In the acute toxicity model the only altered parameters were tissue ROS, and AST and BUN in serum. As for the repeated dose experiment both hematological and biochemical markers remained within the values of reference for the species. Obtained results demonstrate that the CESR did not present significant toxic effects when administrated orally to male and female rats in acute and repeated doses.
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关键词
Toxicology, Medicinal plant, Guanxuma, Phytochemistry, Antioxidant, Polyphenols
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