Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/71259
Type: Artigo de periódico
Title: Seasonal Variation of the Volatile Constituents from Leaves of Pimenta pseudocaryophyllus (Gomes)
Author: Barata, LES
dos Santos, BCB
Marques, FA
Baroni, ACM
de Oliveira, PR
Einloft, P
Ribeiro, JCL
Guerrero, PG
Abstract: The chemical variation of volatile constituents from leaves of Pimenta pseudocaryophyllus collected bimonthly for one year from a locality in the Atlantic Rain Forest, southeastern Brazil, was determined by GC/MS. Seven compounds were identified and characterized, revealing a predominance of phenylpropanoids (15.4-70.9%) and variable amounts of monoterpenes (0.5-5.3%). The composition of the oil changed month by month. The best yield of oil was obtained in November, and the major component chavibetol was present in all samples (50.2-70.9%). The chavibetol content showed significant seasonal variation, with the maximum percentages of 69.1% and 70.9% measured in January and November, respectively.
Subject: Seasonal variation
Pimenta pseudocaryophyllus
chavibetol
essential oil
Country: EUA
Editor: Allured Publ Corp
Rights: fechado
Date Issue: 2011
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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