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Identification of odorous constituents for Southern yellow pine and China fir woods: Effects of extractives removal

Abstract

In this study, the odors of two types of softwood species, namely, Southern yellow pine (Pinus spp.) and China fir (Cunninghamia lanceolata (Lamb.) Hook.) were selected and extracted with ethanol-toluene for removal of extractives. The odorous components of neat and extracted woods were identified by gas chromatography-mass spectrometry/olfactometry (GC-MS/O). The results showed that about 40 key identified volatile compounds (peak area above 0.2%) were detected from the GC-MS, and more than 50 kinds of odorants were identified from GC-O. The time was concentrated from 15 to 33 min in GC-O, which was different to the concentration time in GC-MS. Both amounts of volatile compounds and odorants of pine were more than that of fir. After extraction, almost amounts and intensities of some odorants decreased, while some were remained. However, the extraction process resulted in benzene residue and lead to increased odor of benzene.

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Publication details

The article was received on 14 Dec 2017, accepted on 14 Apr 2018 and first published on 16 Apr 2018


Article type: Paper
DOI: 10.1039/C7AY02885G
Citation: Anal. Methods, 2018, Accepted Manuscript
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    Identification of odorous constituents for Southern yellow pine and China fir woods: Effects of extractives removal

    R. Liu, C. Wang, A. Huang and B. Lv, Anal. Methods, 2018, Accepted Manuscript , DOI: 10.1039/C7AY02885G

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