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BIBTEX RIS

Constituintes químicos da raiz e do talo da folha do açaí (Euterpe precatoria Mart., Arecaceae)

2005; Brazilian Chemical Society; Volume: 28; Issue: 4 Linguagem: Inglês

10.1590/s0100-40422005000400011

ISSN

1678-7064

Autores

Ana Lúcia Queiroz de Assis Galotta, Maria Amélia D. Boaventura,

Tópico(s)

Aquaculture Nutrition and Growth

Resumo

LEAF STALKS OF AÇAÍ (Euterpe precatoria MART., ARECACEAE).Phytochemical investigation of the hexane, ethyl acetate and methanolic extracts of roots and leaf stalks of Euterpe precatoria Mart.("açaí"), afforded stigmast-4-en-6β-ol-3-one (3); p-hydroxy benzoic acid (4); 3β-O-D-glucopyranosyl-sitosterol (5); β-sitosterol palmitate (6); mixtures of β-sitosterol and stigmasterol (1 and 2), α-, β-amirin and lupeol (7, 8 and 9), friedelin-3-one and 28hydroxy-friedelin-3-one (10 and 11) and α-, β-D-glucose (12, 13).Except for 1, 2 and 4, the other isolated constituents are described in the genus for the first time.Compounds 3 and 5 gave good results in the brine shrimp bioassay, which detects compounds with potential uses as antitumor agents, pesticides, etc..

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