Method for the static headspace analysis of carrot volatiles

C. Alasalvar*, J. M. Grigor, P. C. Quantick

*Corresponding author for this work

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

A static headspace analysis/gas chromatography/mass spectrometry (SHA/GC/MS) method was developed to analyse the volatile composition of raw (seven different varieties), stored and cooked carrot samples. A total of 35 different volatile compounds were identified in carrots. Of these, trans-ocimene, 2,5-dimethyl styrene, camphor, borneol, α-santalene, α-selinene, γ-elemene and α-zingiberene in raw carrots and propanol in stored carrots were identified for the first time. Major volatile compounds identified in raw carrots were α-pinene, sabinene, myrcene, limonene, γ-terpinene, terpinolene, β-caryophyllene and γ-bisabolene. Mono-and sesquiterpenes accounted for about 97% of the total volatiles identified. Sizeable varietal differences (p<0.01) were observed. Carrot volatiles did not change appreciably during the 28day storage period at 5, 25 and 35°C, except propanol that showed exponential increases at higher temperatures. No propanol was detected in fresh raw carrots. Cooking resulted in 88.6, 93.0 and 95.5% loss in total volatiles after cooking times of 10, 20 and 30min, respectively.

Original languageEnglish
Pages (from-to)391-397
Number of pages7
JournalFood Chemistry
Volume65
Issue number3
DOIs
Publication statusPublished - 1 May 1999
Externally publishedYes

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