Varietal differences in terpene composition of blackcurrant (Ribes nigrum L) berries by solid phase microextraction/gas chromatography

Relative amounts of volatile terpenes in berries of 10 different blackcurrant (Ribes nigrum L) cultivars were examined by solid phase microextraction/gas chromatography (SPME/GC). The optimisation of a variety of parameters affecting SPME enabled relative standard deviations from three replicates ra...

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Bibliographic Details
Published in:Journal of the science of food and agriculture 2002-10, Vol.82 (13), p.1510-1515
Main Authors: Ruiz del Castillo, Maria Luisa Ruiz, Dobson, Gary
Format: Article
Language:English
Subjects:
alcohols
Biological and medical sciences
blackcurrant
chiral
cultivars
enantiomer
Food industries
Fruit and vegetable industries
Fundamental and applied biological sciences. Psychology
gas chromatography
microextraction
monoterpenoids
Ribes nigrum
small fruits
SPME
terpenes
volatile compounds
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Summary:Relative amounts of volatile terpenes in berries of 10 different blackcurrant (Ribes nigrum L) cultivars were examined by solid phase microextraction/gas chromatography (SPME/GC). The optimisation of a variety of parameters affecting SPME enabled relative standard deviations from three replicates ranging from 2 to 12% to be achieved. Differences between cultivars in the proportions rather than in the qualitative composition of volatile terpenes were found, and the proportions of some terpenes were especially variable. Furthermore, the enantiomeric ratios of the chiral terpenes were determined for the first time in blackcurrant berries by GC using a column with a stationary phase containing permethylated cyclodextrin (Chirasil-β-Dex). The enantiomeric compositions of the majority of the chiral terpenes varied within a reasonably narrow range. However, the levels of two monoterpene alcohols, terpinen-4-ol and linalool, exhibited considerable variations amongst cultivars.
ISSN:0022-5142
1097-0010
DOI:10.1002/jsfa.1210