Solid-Phase Microextraction of Volatile Components from Natural Grassland Plants

The volatile components from nine plants growing on natural grasslands in Auvergne, central France, selected for the broad qualitative and quantitative diversity of their terpenoid fractions, were analyzed by high-resolution gas-phase chromatography and mass spectrometry (HRGC−MS) after static heads...

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Bibliographic Details
Published in:Journal of agricultural and food chemistry 2001-01, Vol.49 (1), p.203-209
Main Authors: Cornu, Agnès, Carnat, André-Paul, Martin, Bruno, Coulon, Jean-Baptiste, Lamaison, Jean-Louis, Berdagué, Jean-Louis
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Alcohols - analysis
Animal Feed
Biological and medical sciences
Chemical constitution
Economic plant physiology
Esters - analysis
Ethers - analysis
Food engineering
Food industries
Fundamental and applied biological sciences. Psychology
Gas Chromatography-Mass Spectrometry - methods
General aspects
Life Sciences
Methods of analysis, processing and quality control, regulation, standards
Plants - chemistry
Poaceae - chemistry
Terpenes - analysis
Volatilization
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Summary:The volatile components from nine plants growing on natural grasslands in Auvergne, central France, selected for the broad qualitative and quantitative diversity of their terpenoid fractions, were analyzed by high-resolution gas-phase chromatography and mass spectrometry (HRGC−MS) after static headspace solid-phase microextraction (SHS−SPME). SHS−SPME allowed all the plant material to be analyzed under the same conditions despite its wide-ranging composition. This is not always possible with other extraction methods. Using an apolar poly(dimethylsiloxane) (PDMS) phase, numerous terpenoid hydrocarbons, together with alcohols, cyclic ethers, and esters, were extracted. Its ease of use and the high resolution of the chromatographic profiles obtained make SHS−SPME well suited to the rapid characterization of the main components of the volatile fraction of plants. Of the nine plants studied, four (Meum athamanticum, Pimpinella saxifraga, Achillea millefolium, and Thymus pulegioides) exhaled more than 60 different volatile components. Certain terpenes present in large amounts in these plants might help link dairy products to grazing pasture, thus improving food traceability. Keywords: Headspace; SPME; PDMS; GC−MS; terpene; pasture; Achillea millefolium; Meum athamanticum; Pimpinella saxifraga; Thymus pulegioides
ISSN:0021-8561
1520-5118
DOI:10.1021/jf0008341