TITLE

Single-drop microextraction and gas chromatography—mass spectrometry for the determination of volatile aldehydes in fresh cucumbers

AUTHOR(S)
Ligor, Tomasz; Buszewski, Bogusław
PUB. DATE
July 2008
SOURCE
Analytical & Bioanalytical Chemistry;Jul2008, Vol. 391 Issue 6, p2283
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Headspace single-drop microextraction (HS-SDME) was used as a rapid and reliable method for the isolation and preconcentration of volatile aldehydes from fresh cucumbers. The utility of this methodology is demonstrated in the determination of ( E)-2-nonenal and ( E, Z)-2,6-nonadienal. The limit of detection, linearity and repeatability have been determined for 2,6-nonadienal and ( E)-2-nonenal. Limits of detection for nonenal and nonadienal were 0.05 and 0.04 mg kg −1, respectively. The repeatability of extraction was obtained with the RSD values lower than 13%. Concentrations of target aldehydes in fresh cucumbers obtained by means of the HS-SDME method were in the range 9.4–12.5 (nonadienal) and 2.6–3.8 mg kg −1 (nonenal). The results of the single-drop extraction in combination with gas chromatography show promising potential for the analysis of volatile aldehydes in vegetables.
ACCESSION #
32785886

 

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