Journal
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
Volume 83, Issue 10, Pages 1037-1044Publisher
JOHN WILEY & SONS LTD
DOI: 10.1002/jsfa.1502
Keywords
unifloral honey; aroma compounds; SPME; GC/MS
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The assessment of the botanical origin of unifloral honeys is an important application in food control. The current official methods mainly use pollen analysis. The aim of this paper is to present an SPME analytical approach to the study of honey volatiles. Honey samples (40) obtained from hive sites in different regions of Italy were analysed. The samples had six different botanical origins: citrus (five), chestnut (10), eucalyptus (eight), lime tree (11), thyme (two) and dandelion (four). Melissopalynological analysis was also performed. Identification of volatile compounds was carried out by SPME/GC/MS analysis, and quantitative evaluation was done by SPME/GC/FID analysis for compounds with well-resolved peaks. Using the SPME method, all samples with the same botanical origin gave remarkably similar GC profiles. Some volatile compounds were found only in specific floral source honey samples and thus could be interesting for use as markers. (C) 2003 Society of Chemical Industry.
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