南京紫金山主要植物挥发物成分与含量分析

用气相色谱/质谱联用技术对南京市紫金山24种植物挥发性物质的化学组成进行了测定和分析。结果表明:24种植物中共检测出萜烯类、醇类、酮类、醛类、酯类、醚类、酚类及烷烃类等8类165种化学成分,其中,以萜烯和醇类为主。萜烯类物质相对含量最高的是白玉兰,其含量占挥发性物质总量的71.99%;其次是扶芳藤(66.56%)、青桐(50.30%)及冬青(8.14%)。醇类物质相对含量最高的是冬青,其含量占挥发性物质总量78.53%;其次是黄连木(72.99%)、荚蒾(66.69%)、枫香(58.81%)、麻栎(56.10%)、香樟(54.46%)及白玉兰(7.48%)。

Analysis of ingredients and contents of volatile organic compounds from main plants in Nanjing Zijin Mountain

The ingredients and their contents of volatile organic compounds from 24 tree species in Nanjing Zijing Mountain were analyzed with GC-MS.The results showed that 165 compounds were determined in the 24 sorts of plants,and they composed terpenes,alcohols,ketones,aldehydes,esters,ethers,phenols and alkanes.The main volatile organic compounds in the tested plants were the terpenes and the alcohols.The terpenes content in Magnolia denudata was the highest accounted for 71.99 % of total volatile organic compound...