Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/75356
Type: Artigo de periódico
Title: Study of the variation of the composition of the essential oil of leaves and flowers of Achyrocline alata (DC) along a period of the day
Author: Rodrigues, RAF
Queiroga, CL
Rodrigues, MVN
Foglio, MA
Sartoratto, A
Montanari, I
Abstract: Leaves and flowers of Achyrocline alata were picked in an experimental garden throughout the period of 7 AM until 2 PM, in hourly intervals. The leaf and flower oils were obtained by hydrodistillation. Analyses of the oils by GC/MS reveals that the main components of the leaf oil varied as follows: alpha-pinene (1.7-7.6%), 1-octen-3-ol (1.7-5.6%), 1,8-cineole (0.4-5.1%), beta-caryophyllene (14.6-16.7%), alpha-humulene (20.6-25.1%) and bicyclogermacrene (7.3-12.4%). The flower oil also varied-alpha-pinene (5.4-21.9%), 1-octen-3-ol (8.0-11.6%),1,8-cineole (7.3-10.9%), beta-caryophyllene (12.0-17.5%), alpha-humulene (17.2-22.8%) and bicyclogermacrene (5.8-8.3%)-throughout the 8-h period.
Subject: Achyrocline alata
Asteraceae
oil yield
essential oil composition
alpha-pinene
1-octen-3-ol
1,8-cineole
beta-caryophyllene
alpha-humulene
bicyclogermacrene
Country: EUA
Editor: Allured Publ Corp
Rights: fechado
Date Issue: 2002
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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