Circadian variation of essential oil from Piper marginatum Jacq / Variaciones circadiana de aceite esencial de Piper marginatum Jacq
Bol. latinoam. Caribe plantas med. aromát
;
13(3): 270-277, mayo 2014. tab, ilus
Article
in English
| LILACS
| ID: lil-768853
ABSTRACT
The composition of the essential oil from the leaves of Piper marginatum (Piperaceae) shows circadian variation and a higher yield during high solar incidence. The essential oils samples were investigated by GC-FID and GC-MS, which allowed identification of 29 compounds. Principal component analysis (PCA) and cluster analysis (CA) showed a significant quantitative variability in the chemical composition of the studied samples as well as a correlation between the oil profiles and the collection time. Two main groups were observed, with predominance of phenylpropanoids or sesquiterpenes. The predominant chemical compounds were phenylpropanoids, having as main representative (Z)-asarone and (E)-asarone.
RESUMEN
La composición del aceite esencial de hojas de Piper marginatum (Piperaceae) muestra una variación circadiana y un mayor rendimiento durante la mayor incidencia solar. Las muestras de aceites esenciales se investigaron por GC-FID y GC-MS, lo que permitió la identificación de 29 compuestos. El análisis de componentes principales y el análisis de conglomerados mostraron una variación cuantitativa significativa en la composición química de las muestras estudiadas, así como una correlación entre los perfiles del aceite esencial y el tiempo de recolección. Se observaron dos grupos principales, con predominio de fenilpropanoides o sesquiterpenos. Los compuestos predominantes fueron los fenilpropanoides, (Z)-asarona y (E)-asarona.
Full text:
Available
Index:
LILACS (Americas)
Main subject:
Oils, Volatile
/
Circadian Rhythm
/
Plant Leaves
/
Piperaceae
Language:
English
Journal:
Bol. latinoam. Caribe plantas med. aromát
Journal subject:
Botany
/
Medicine
/
Plantas Medicinais
/
Terapias Complementares
Year:
2014
Type:
Article
Affiliation country:
Brazil
Institution/Affiliation country:
RuralFederal University of Pernambuco/BR
/
Rural Federal University of Pernambuco/BR
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