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Type: Artigo de periódico
Title: Volatile compounds from pitanga fruit (Eugenia uniflora L.)
Author: Oliveira, AL
Lopes, RB
Cabral, FA
Eberlin, MN
Abstract: Extracts from pitanga leaves are considered to be effective against many diseases, and are therefore used in popular Brazilian medicines. In this study, the volatile constituents of pitanga fruits (Eugenia uniflora L.) were trapped on to Porapak-Q and eluted with ethyl acetate, and the chemical composition of the extract was analyzed by gas chromatography and gas chromatography/mass spectrometry. Fifty-four compounds were detected, and twenty-nine of those were identified by close matches with standard MS spectra. Monoterpenes (75.3% in mass) were found to comprise the largest class of the pitanga fruit volatiles, including trans-beta-ocimene (36.2%). cis-ocimene (13.4%), the isomeric beta-ocimene (15.4%) and beta-pinene (10.3%). Several known therapeutic constituents of pitanga leaf extract, such as selina-1,3,7(11)-trien-8-one (the major constituent) were also found to be present in the fruit volatile extract. suggesting that the fruit may display therapeutic properties similar to those of the leaf extract. (c) 2005 Elsevier Ltd. All rights reserved.
Subject: Eugenia uniflora L
Country: Inglaterra
Editor: Elsevier Sci Ltd
Rights: fechado
Identifier DOI: 10.1016/j.foodchem.2005.07.012
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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