Journal
FOOD CHEMISTRY
Volume 112, Issue 1, Pages 239-245Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2008.05.080
Keywords
Paliurus spina-christi honey; volatile compounds; headspace solid-phase microextraction (HS-SPME); ultrasonic solvent extraction (USE); gas chromatography-mass spectrometry (GC-MS)
Funding
- UKF Fund Evaluation of Unifloral Honeys - Chemical Fingerprinting and Nutritional Properties
- Ministry of Science, Education and Sports of the Republic of Croatia
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The samples of unifloral Paliurus spina-christi honey were analysed by means of headspace solid-phase microextraction (HS-SPME) and ultrasonic solvent extraction (USE) followed by gas chromatography and mass spectrometry (GC, GC-MS) in order to obtain complete patterns of headspace, volatile and semi-volatile compounds. In headspace pattern the most abundant Compounds and possible markers were nonanal, four isomers of lilac aldehyde, decanal, methyl nonanoate, hexanoic and 2-ethylhexanoic acids. Although the main components of USE extracts were higher saturated aliphatic hydrocarbons, higher aliphatic alcohols and acids, they can not be considered reliable biomarkers due to their probable origin from bee wax or bee cuticle. Although present in small quantities, the more reliable markers in the extracts were benzene derivatives (particularly 4-hydroxy-3,5-dimethylbenzaldehyde, 4-hydroxybenzoic acid and 4-methoxybenzoic acid) along with lower aliphatic acids (butanoic, hexanoic, octanoic and nonanoic). (c) 2008 Elsevier Ltd. All rights reserved.
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