Volatiles from a Rare Acer spp. Honey Sample from Croatia

Molecules

Igor Jerković¹  Zvonimir Marijanović¹  Mladenka Malenica-Staver¹ 

[1] ¹Faculty of Chemistry and Technology, University of Split, N. Tesle 10/V, 21000 Split, Croatia

关键词: Acer spp. honey;    ultrasonic solvent extraction (USE);    headspace solid-phase microextraction (HS-SPME);    gas chromatography and mass spectrometry (GC and GC/MS);    syringaldehyde;   

DOI  :  10.3390/molecules15074572

来源: mdpi

【 摘 要 】

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.

【 授权许可】

CC BY   
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.