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Nat Prod Res


Title:Analysis of the volatile compounds of Teucrium flavum L. subsp. flavum (Lamiaceae) by headspace solid-phase microextraction coupled to gas chromatography with flame ionisation and mass spectrometric detection
Author(s):Sagratini G; Maggi F; Bilek T; Papa F; Vittori S;
Address:"Scuola di Scienze del Farmaco e dei Prodotti della Salute, Universita di Camerino, via S. Agostino 1, 62032 Camerino, Italy. gianni.sagratini@unicam.it"
Journal Title:Nat Prod Res
Year:2012
Volume:20111111
Issue:14
Page Number:1339 - 1347
DOI: 10.1080/14786419.2011.585757
ISSN/ISBN:1478-6427 (Electronic) 1478-6419 (Linking)
Abstract:"In this study, a headspace solid-phase microextraction (HS-SPME) method, in combination with gas chromatography flame ionisation detector and gas chromatography-mass spectrometry, has been developed for use in the analysis of the volatile compounds of Teucrium flavum L. subsp. flavum, a plant whose particular fragrance is used in the preparation of flavoured wines, bitters and liqueurs, or as a substitute for hops in the flavouring of beer. The tested fibres were 100 microm poly(dimethylsiloxane) (PDMS), the 65 microm PDMS/divinylbenzene (DVB) and 50/30 microm DVB-carboxen-PDMS. The best fibre was found to be PDMS when working in the following conditions: 60 degrees C temperature, 30 min extraction time, 30 mg sample amount, 1 mm sample particle size. The HS-SPME method permitted the identification (95.8-97.8%) of 76 (dry) and 66 (fresh) different volatiles. In addition, we discovered that the presence of water in the sample can enhance the absolute quantity of alcoholic compounds such as 1-octen-3-ol and reduce the presence of esters such as methyl geranate"
Keywords:Flame Ionization Gas Chromatography-Mass Spectrometry/*methods Solid Phase Microextraction/*methods Teucrium/*chemistry Volatile Organic Compounds/*chemistry;
Notes:"MedlineSagratini, Gianni Maggi, Filippo Bilek, Tomas Papa, Fabrizio Vittori, Sauro eng England 2011/11/15 Nat Prod Res. 2012; 26(14):1339-47. doi: 10.1080/14786419.2011.585757. Epub 2011 Nov 11"

 
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