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Constituintes químicos de Philodendron imbe Schott

2007; Brazilian Chemical Society; Volume: 30; Issue: 1 Linguagem: Inglês

10.1590/s0100-40422007000100009

1678-7064

Chistiane Mendes Feitosa, Maria Zeneide Barbosa Bezerra, Antônia Maria das Graças Lopes Citó, Joaquim Soares da Costa Júnior, José Arimatéia Dantas Lopes, José Machado Moita Neto,

Essential Oils and Antimicrobial Activity

CHEMICAL CONSTITUENTS OF Philodendrom imbe Schott.The chemical composition of the ethanolic extract of the leaves and roots from Philodendron imbe Schott was investigated.The main constituents isolated the leaves were β-sitosterol one polyprenoid hexaprenol, and 6β-hydroxy-stigmast-4-en-3-one, a steroid, not yet reported in the Philodendron gender.A mixture of constituents, namely, ethyl myristoleate, α-bisabolol, ethyl isopalmitate, 3-octadecenyl-phenol and the major component ethyl palmitate, were isolated from the roots.Structure elucidation of these secondary metabolites was accomplished by spectrometric analysis, including 1D and 2D NMR experiments such as 1 H, 1 H and 1 H, 13 C-COSY.