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. 2010 Jun 24;15(7):4572-82.
doi: 10.3390/molecules15074572.

Volatiles from a rare Acer spp. honey sample from Croatia

Igor Jerković  1 , Zvonimir Marijanović, Mladenka Malenica-Staver, Drazen Lusić
Affiliations

Volatiles from a rare Acer spp. honey sample from Croatia

Igor Jerković et al. Molecules. .

Abstract

A rare sample of maple (Acer spp.) honey from Croatia was analysed. Ultrasonic solvent extraction (USE) using: 1) pentane, 2) diethyl ether, 3) a mixture of pentane and diethyl ether (1:2 v/v) and 4) dichloromethane as solvents was applied. All the extracts were analysed by GC and GC/MS. The most representative extracts were 3) and 4). Syringaldehyde was the most striking compound, being dominant in the extracts 2), 3) and 4) with percentages 34.5%, 33.1% and 35.9%, respectively. In comparison to USE results of other single Croatian tree honey samples (Robinia pseudoacacia L. nectar honey, Salix spp. nectar and honeydew honeys, Quercus frainetto Ten. honeydew as well as Abies alba Mill. and Picea abies L. honeydew) and literature data the presence of syringaldehyde, previously identified in maple sap and syrup, can be pointed out as a distinct characteristic of the Acer spp. honey sample. Headspace solid-phase microextraction (HS-SPME) combined with GC and GC/MS identified benzaldehyde (16.5%), trans-linalool oxide (20.5%) and 2-phenylethanol (14.9%) as the major compounds that are common in different honey headspace compositions.

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Figures

Figure 1
Figure 1
Representative TIC chromatograms of Acer spp. honey dichloromethane extract obtained by USE (A) and headspace obtained by HS-SPME (B).
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