Analysis of Volatile Components in the Heartwood of Quercus liaotungensis Koidz and Q. mongolica Fisch

doi:10.7506/spkx1002-6630-20200228-315

FOOD SCIENCE ›› 2021, Vol. 42 ›› Issue (6): 265-273.doi: 10.7506/spkx1002-6630-20200228-315

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Analysis of Volatile Components in the Heartwood of Quercus liaotungensis Koidz and Q. mongolica Fisch

NIU Jianming, ZHANG Bo, WU Juandi, AN Shuangdi, MA Chaoling, SHI Xiao, HAN Shunyu

(1. Gansu Key Laboratory of Viticulture and Enology, Research and Development Center of Wine Industry, Gansu Province, College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, China; 2. Lanzhou Sino-Analysis-Science Test Technology Co. Ltd., Lanzhou 730070, China)

Online:2021-03-25 Published:2021-03-29

Abstract

Abstract: This study aimed to investigate the volatile components of the heartwood of Quercus liaotungensis Koidz and Q. mongolica Fisch, both originating in China, by liquid-liquid extraction combined with gas chromatography-mass spectrometry (LLE-GC-MS). Five kinds of components, including furans, volatile phenol, phenolics, lactones and others, were preliminarily identified. Q. liaotungensis Koidz contained the largest number and amount (88 and 75 113.03 μg/kg) of volatile components, followed by Q. acutissima Caruth produced in France (79 and 70 940.18 μg/kg), and the number and amount of volatile components in Q. mongolica Fisch (77 and 52 967.62 μg/kg) were the smallest. Furthermore, principal component analysis (PCA) and heat map analysis showed that the Q. liaotungensis Koidz exhibited a high correlation between guaiacol and its derivatives, vanillin and syringaldehyde, and obvious flowery and fruity aroma characteristics, showing good application potential. Thus, it may be an alternative to traditional oak.

Key words: Quercus liaotungensis Koidz; Quercus mongolica Fisch; furans; phenolics; lactones

CLC Number:

TS261.2

NIU Jianming, ZHANG Bo, WU Juandi, AN Shuangdi, MA Chaoling, SHI Xiao, HAN Shunyu. Analysis of Volatile Components in the Heartwood of Quercus liaotungensis Koidz and Q. mongolica Fisch[J]. FOOD SCIENCE, 2021, 42(6): 265-273.

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Analysis of Volatile Components in the Heartwood of Quercus liaotungensis Koidz and Q. mongolica Fisch

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