Terpenóides e avaliação do potencial antimalárico, larvicida, anti-radicalar e anticolinesterásico de Pouteria venosa (Sapotaceae)

  • Montenegro L
  • Oliveira P
  • Conserva L
  • et al.
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Abstract

This work describes the isolation of four triterpenes (taraxerol, ursolic acid, 3b,19a,23-trihydroxyurs-12-en-28-oic acid and 2a,3a,19a,23-tetrahydroxyurs-12-en-28-oic acid) and a phytosteroid (spinasterol), as well as a preliminary evaluation of antimalarial (NK-65 strains of Plasmodium berghei), larvicidal (4th instar of Aedes aegypti), anti-radicalar (2,2-diphenyl-1-pycryl-hydrazyl, DPPH) and anticholinesterase activities of Pouteria venosa (Mart.) Baehni extracts from leaves, stem barks and stems. All isolated compounds are being described for the first time in this species and were identified on basis of the spectral data (IR and NMR, including APT, DEPT), as well as by comparison with literature data. (taraxerol, ácido ursólico, ácido 3b,19a,23-triidroxiurs-12-en-28-óico e ácido 2a,3a,19a,23-tetraidroxiurs-12-en-28-óico) e um fitoesteróide (espinasterol), bem como a avaliação do potencial antimalárico (cepa NK-65 do Plasmodium berghei), larvicida (larvas do 4º instar do Aedes aegypti), anti-radicalar (2,2-difenil-1-picril-hidrazila, DPPH) e anticolinesterásico de extratos das folhas, cascas do caule e caule de Pouteria venosa (Mart.) Baehni. Todos os compostos isolados estão sendo descritos pela primeira vez nesta espécie e foram identificados com base na análise de dados espectrais (IV e RMN, incluindo APT e DEPT), bem como pela comparação com dados descritos na literatura.

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APA

Montenegro, L. H. M., Oliveira, P. E. S., Conserva, L. M., Rocha, E. M. M., Brito, A. C., Araújo, R. M., … Lemos, R. P. L. (2006). Terpenóides e avaliação do potencial antimalárico, larvicida, anti-radicalar e anticolinesterásico de Pouteria venosa (Sapotaceae). Revista Brasileira de Farmacognosia, 16, 611–617. https://doi.org/10.1590/s0102-695x2006000500005

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