Machaerium opacum Vogel (Fabaceae): phytochemical study and toxicity to Atta sexdens Linnaeus (Hymenoptera: Formicidae)
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Data
2021-01-01
Autores
Santos, Renato Gomes
da Silva Júnior, Weber Martins
Duarte, Geane Karla Gonçalves Ferreira
Cunha, Gracielle Oliveira Sabbag
da Silva, Daniela Moreira
de Oliveira, Amanda Aparecida [UNESP]
Bueno, Odair Correa [UNESP]
Menezes, Antônio Carlos Severo
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In this work was described the phytochemical investigation of Machaerium opacum Vogel (Fabaceae) leaves as well as the insecticidal activity of its crude extract and fractions against Atta sexdens Linnaeus (Hymenoptera: Formicidae). The phytochemical study led to the identification of α-amyrin, β-amyrin, lupeol, phytol, isomucronulatol and rutin, described for the first time in M. opacum and mucronulatol. Insecticidal activity was assessed by the ingestion of the crude extract and fractions incorporated into an artificial diet at three different concentrations (0.2, 1.0 and 2.0 mg mL−1). Statistical analysis revealed that all the samples of M. opacum at all concentrations tested showed significant results when compared to the pure diet control.
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Insecticidal activity, leaf-cutting ant, toxicological bioassays
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Natural Product Research.