Impact of gas chromatography and mass spectrometry combined with gas chromatography and olfactometry for the sex differentiation of Baccharis articulata by the analysis of volatile compounds

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Título

Impact of gas chromatography and mass spectrometry combined with gas chromatography and olfactometry for the sex differentiation of Baccharis articulata by the analysis of volatile compounds

Tema

CROMATOGRAFIA DE GASES
ESPECTROMETRIA DE MASAS
BACCHARIS ARTICULATA
BIBLIOGRAFIA NACIONAL QUIMICA
2015

Abstract

The Baccharis genus has more than 400 species of aromatic plants. However, only approximately 50 species have been studied in oil composition to date. From these studies, very few take into consideration differences between male and female plants, which is a significant and distinctive factor in Baccharis in the Asteraceae family. Baccharis articulata is a common shrub that grows wild in south Brazil, northern and central Argentina, Bolivia, Paraguay and Uruguay. It is considered to be a medicinal plant and is employed in traditional medicine. We report B. articulata male and female volatile composition obtained by simultaneous distillation–extraction technique and analyzed by gas chromatography with mass spectrometry. Also, an assessment of aromatic differences between volatile extracts was evaluated by gas chromatography with olfactometry. The results show a very similar chemical composition between male and female extracts, with a high proportion of terpene compounds of which β-pinene, limonene and germacrene D are the main components. Despite the chemical similarity, great differences in aromatic profile were found: male plant samples exhibited the strongest odorants in number and intensity of aromatic attributes. These differences explain field observations which indicate differences between male and female flower aroma, and might be of ecological significance in the attraction of pollinating insects.

Autor

Minteguiaga, Manuel
Umpiérrez, Noelia
Falcao, Manuel A.
Xavier, Vanessa B.
Cassel, Eduardo

Fuente

Journal of Separation Science v. 38, 2015. -- p. 3038-3046

Editor

Wiley Online Library

Fecha

2015

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Formato

PDF

Idioma

Inglés

Tipo

Artículo

Identificador

DOI: 10.1002/jssc.201500131

Document Item Type Metadata

Original Format

PDF
Fecha de agregación
March 8, 2016
Colección
Bibliografía Nacional Química
Tipo de Elemento
Document
Etiquetas
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Citación
Minteguiaga, Manuel, “Impact of gas chromatography and mass spectrometry combined with gas chromatography and olfactometry for the sex differentiation of Baccharis articulata by the analysis of volatile compounds,” RIQUIM - Repositorio Institucional de la Facultad de Química - UdelaR, accessed July 16, 2019, http://riquim.fq.edu.uy/items/show/3733.
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