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  • Title: Acute toxicity and genotoxicity of Schinus molle L. aqueous extract/ethanol-soluble fraction in rats.
    Author: Machado CD, Farago PV, Costa CM, Farias KS, Silva DB, Marques AAM, Moreno KGT, Pael LAB, da Silva MLF, Gasparotto Junior A, Manfron J.
    Journal: J Ethnopharmacol; 2024 Oct 28; 333():118499. PubMed ID: 38936645.
    Abstract:
    ETHNOPHARMACOLOGICAL RELEVANCE: Schinus molle L. is a medicinal species belonging to the Anacardiaceae family. It is commonly referred to as "aroeira" and its leaves and roots are utilized for treating different pathological conditions. However, despite its widespread use in traditional medicine, there is a lack of in-depth toxicological studies. AIM: To evaluate the acute toxicity and genotoxicity of S. molle aqueous extract/ethanol-soluble fraction in rats. MATERIAL AND METHODS: First, a purified aqueous extract was obtained from the leaves of S. mole through infusion (referred to as EESM) and its compounds were identified using LC-DAD-MS data. Female rats were then subjected to acute oral toxicity tests using doses of 5, 50, 300, and 2000 mg/kg of ESSM. Studies on genetic material, including the micronucleus test and comet assay, were conducted on male and female Wistar rats using the same doses as in the acute toxicity test. For both assays, ESSM was administered orally. RESULTS: The main metabolites annotated from ESSM were dimeric proanthocyanidins, phenylpropanoids acids, flavan-3-ols, simple organic acids (C6-C1), a flavonol di-O-glycosylated (rutin), and O-glycosylated megastigmane. The ESSM did not exhibit any acute toxic effects, such as changes in biochemical, hematologic, or histopathological analysis. Furthermore, no changes were observed in comet assay or micronucleus tests when rats were given doses of 5, 50, 300, or 2000 mg/kg of ESSM. CONCLUSION: The results showed that the ESSM does not induce acute toxicity or exhibit genotoxicity up to a dose of 2000 mg/kg.
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