浙江农业学报

• 园艺科学 • 上一篇    下一篇

华山松冬季挥发物检测分析

  

  1. (北京林业大学 园林学院/国家花卉工程技术研究中心 花卉种质创新与分子育种北京市重点实验室/城乡生态环境北京实验室,北京 100083)
  • 出版日期:2016-02-25 发布日期:2016-03-10

Analysis of volatile organic compounds emitted from Pinus armandii in winter

  1. (College of Landscape Architecture, Beijing Forestry University / Beijing Key Laboratory of Ornamental Plants Germplasm Innovation & Molecular Breeding, National Engineering Research Center for Floriculture / Beijing Laboratory of Urban and Rural Ecological Environment, Beijing 100083, China)
  • Online:2016-02-25 Published:2016-03-10

摘要: 采用动态顶空采样法采集华山松(胸径15~20 cm)冬季挥发物,用ATD\|GC/MS法分析挥发物成分,并对单萜类化合物的释放量进行定量分析。结果表明:华山松冬季挥发物中共检测鉴定出9类105种化合物,主要成分39种,其中烯烃最多,达20种;且烯烃相对浓度达到92.12%,主要成分为单萜(1R)\|(+)\|α蒎烯、α\|蒎烯、莰烯、左旋\|β\|蒎烯、β\|蒎烯、月桂烯、D\|柠檬烯、萜品油烯。华山松冬季挥发物中单萜类化合物释放总量达到0.68 μg·g-1·h-1,其中释放量最大的为D\|柠檬烯。因单萜类物质具杀菌抑菌等保健作用,所以华山松挥发物在冬季对生态环境有较大贡献。

关键词: 华山松, 挥发物, 单萜, 冬季, 定量分析

Abstract: Volatile organic compounds (VOCs) emitted by Pinus armandii were collected by the method of dynamic headspace in Beijing in winter and analyzed by ATD\|GC/MS. The results showed that: 105 kinds of VOCs belonging to 9 classes were identified, 39 kinds of VOCs were the main compositions. Alkene was the main VOCs and alkenes relative concentration was up to 92.12%. Monoterpene like (1R)\|(+)\|α\|pinene, α\|pinene, camphene, (1S)\|(1)\|β\|pinene, β\|pinene, myrcene, D\|limonene and terpinolene were the main alkenes. The total emission rates of monoterpene in winter was 0.68 μg·g-1·h-1, and D\|limoene had the maximum emission rates. Monoterpenes had bactericidal and bacteriostatic action, so the contribution of Pinus armandii to the ecological environment in winter could not be neglected.

Key words: Pinus armandii, volatile organic compounds, monoterpene, winter, quantitative analysis