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Type: Artigo de periódico
Title: Constituintes químicos de Luehea divaricata Mart. (Tiliaceae)
Title Alternative: Chemical constituents of Luehea divaricata Mart. (Tiliaceae)
Author: Tanaka, Júlio Cesar Akio
Silva, Cleuza Conceição da
Dias Filho, Benedito Prado
Nakamura, Celso Vataru
Carvalho, João Ernesto de
Foglio, Mary Ann
Abstract: Chemical studies of the leaves of L. divaricata afforded 3beta-p-hydroxybenzoyl-tormentic acid, a triterpene with an ursene-type skeleton, a mixture whose main compound was an oleanene derivative, the maslinic acid, a C-glycoside flavone, vitexin and glucopyranosylsitosterol. A flavonoid, characterized as (-)-epicatechin, which belongs to the flavan-3-ol class, was isolated from the stem's bark. The structures of the compounds were elucidated by spectroscopic analysis. The antibacterial, antifungal and antiproliferative activities of the crude methanolic extracts of leaves and bark were evaluated and the antibacterial properties of the fractions of the barks were also investigated.
Subject: Luehea divaricata
Editor: Sociedade Brasileira de Química
Citation: Química Nova. Sociedade Brasileira de Química, v. 28, n. 5, p. 834-837, 2005.
Rights: aberto
Identifier DOI: 10.1590/S0100-40422005000500020
Date Issue: 1-Oct-2005
Appears in Collections:Unicamp - Artigos e Outros Documentos

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