6种园林植物挥发性有机物成分分析

Analysis of Volatile Organic Compounds in 6 Garden Plants

  • 摘要: 为探究北京市6种常见园林植物挥发性有机化合物(BVOCs)的组成,采用动态顶空套袋法采集和热脱附−气相色谱−质谱联用法对侧柏、雪松、矮紫杉、银杏、北京丁香以及月季的挥发性有机物进行分析鉴定,并利用离子峰面积归一化法对植物释放挥发性有机物的峰面积进行百分比标准化,测算化合物的相对含量。结果表明:侧柏BVOCs包括8类62种,雪松BVOCs包括8类64种,矮紫杉BVOCs包括7类65种,银杏BVOCs包括8类56种,北京丁香BVOCs包括8类57种,月季BVOCs包括9类56种;6种园林植物BVOCs均含有烯烃类、烷烃类、芳香烃类、醇类、醛类、酮类、酯类7类化合物,但各类别化合物的相对含量有明显差异且挥发性有机物中均含有(+)−α−蒎烯、(+)−柠檬烯、甲苯、正己醛、反式−3−己烯−1−醇5种共有成分,其含量分别占侧柏、雪松、矮紫杉、银杏、北京丁香和月季挥发性成分总量的12.24%、40.1%、2.44%、10.74%、24.32%、4.65%。研究结果对于北京市城市园林绿化树种的合理选择及科学配置具有参考意义。

     

    Abstract: To investigate the composition of volatile organic compounds(BVOCs) in 6 normal nursery plants in Beijing, we utilized powerful headspace stowing assortment and warm desorption-gas chromatography-mass spectrometry(TDS-GC-MS) to BVOCs in Platycladus orientalis, Cedrus deodara, Taxus cuspidata, Ginkgo biloba, Syringa beijingensis and Rosa chinensis. We also uesd particle top region standardization to normalize the peak areas of volatile organic compounds released from plants as a percentage to gauge the overall items in compounds. The results showed that the BVOCs released from P. orientalis included 8 classes of 62 species, C. deodara BVOCs included 8 classes of 64 species, T. cuspidata BVOCs included 7 classes of 65 species, G. biloba BVOCs included 8 classes of 56 species, S. beijingensis BVOCs included 8 classes of 57 species, and R. chinensis BVOCs included 9 classes of 56 species. All 6 nursery plants contained 7 sorts of builds including: olefins, alkanes, fragrant hydrocarbons, alcohols, aldehydes, ketones, and esters. However the general items in each kind of build differed significantly. All of them contained 5 common components of (+)-α-pinene, (+)-limonene, toluene, hexanal, and trans-3-hexen-1-old in their BVOCs. Their items accounted for 12.24%, 40.1%, 2.44%, 10.74%, 24.32%, and 4.65% of the absolute unstable parts of P. orientalis, C. deodara, T. cuspidata, G. biloba, S. pekinensis and R. chinensis, respectively. The results of the review have significant hypothetical implications for the objective determination and scientific allocation of tree species for unban landscaping in Beijing.

     

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