constituintes químicos e atividade inseticida dos extratos de frutos de trichilia elegans e t. catigua (meliaceae) chemical constituents and insecticidal activity from fruits extracts of trichilia elegans and t. catigua (meliaceae)
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constituintes químicos e atividade inseticida dos extratos de frutos de trichilia elegans e t. catigua (meliaceae) chemical constituents and insecticidal activity from fruits extracts of trichilia elegans and t. catigua (meliaceae)

;Andréia Pereira Matos;Liliane Nebo;Paulo Cezar Vieira;João Batista Fernandes;Maria Fátima das Graças Fernandes da Silva;Ricardo Ribeiro Rodrigues
greece and rome 2009 Vol. 32 pp. 1553-1556
197
matos2009qumicaconstituintes

Abstract

Phytochemical investigation of the fruits extracts of Trichilia elegans and Trichilia catigua (Meliaceae) has led to the identification of the limonoids 11β-acetoxyobacunone, cedrelone, methylangolensate and epimeric mixture of photogedunin besides known coumarins (scoparone, scopoletin, umbeliferone) and the steroids stigmasterol, β-sitosterol, sitostenone and campesterol. The structures of the compounds were proposed by spectroscopic analysis and comparison with literature data. An evaluation of the insecticidal activity of the fruits extracts of Trichilia ssp. was carried out and the extracts of T. elegans revealed to have strong insecticidal activity and the extracts of T. catigua showed moderate larval mortality on Spodoptera frugiperda.

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DOI:
10.1590/S0100-40422009000600037
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