Determinação de compostos de massa molecular alta em folhas de plantas da Amazônia


Autoria(s): Siqueira,Denilson Soares de; Pereira,Alberto dos Santos; Aquino Neto,Francisco Radler de; Cabral,José Augusto; Ferreira,Carlos Alberto Cid; Simoneit,Bernd R. T.; Elias,Vladimir O.
Data(s)

01/10/2003

Resumo

The fractIons of dichloromethane extracts of leaves from andiroba (Carapa guianensis - Meliaceae), caapi (Banisteriopsis caapi - Malpighiaceae), cocoa (Theobroma cacao - Sterculiaceae), Brazil nut (Bertholletia excelsa - Lecytidaceae), cupuaçu (Theobroma grandiflorum - Sterculiaceae), marupá (Simaruba amara - Simaroubaceae) and rubber tree (Hevea brasiliensis - Euphorbiaceae), were analyzed by HT-HRGC and HT-HRGC-MS. Esters of homologous series of fatty acids and long chain alcohols, phytol, amyrines and tocopherols were characterized. The characterization of the compounds was based mainly in mass spectra data and in addition by usual spectrometric data (¹H and 13C NMR, IR).

Formato

text/html

Identificador

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422003000500002

Idioma(s)

pt

Publicador

Sociedade Brasileira de Química

Fonte

Química Nova v.26 n.5 2003

Palavras-Chave #wax esters #phytyl esters #tocopherol esters
Tipo

journal article