Department of Resources Science of Traditional Chinese Medicines, China Pharmaceutical University, Nanjing, P R China.
Chem Biodivers. 2010 Dec;7(12):2951-62. doi: 10.1002/cbdv.201000034.
The volatile compositions of hydrodistilled essential oils in the flower heads of Chrysanthemum indicum L. from eight populations in China were analyzed by GC/MS. A total of 169 compounds representing 88.79-99.53% of the oils were identified, and some remarkable differences were found in the constituent percentages of the eight populations. The predominant components of the essential oils were 1,8-cineole (0.62-7.34%), (+)-(1R,4R)-camphor (0.17-27.56%), caryophyllene oxide (0.54-5.8%), β-phellandrene (0.72-1.87%), (-)-(1S,2R,4S)-borneol acetate (0.33-8.46%), 2-methyl-6-(p-tolyl)hept-2-ene (0.3-8.6%), 4,6,6-trimethylbicyclo[3.1.1]hept-3-en-2-yl acetate (0.17-26.48%), and hexadecanoic acid (0.72-15.97%). The chemotaxonomic value of the essential-oil compositions was discussed according to the results of cluster analysis (CA) and principal-component analysis (PCA). The eight populations were divided into five groups as different chemotypes (Groups A-E), and the scores together with the loadings revealed clearly different chemical properties of each population. In conclusion, GC/MS in combination with chemometric techniques provided a flexible and reliable method for characterizing the essential oils of different populations of C. indicum L.
采用 GC/MS 对中国 8 个产地的菊花（Chrysanthemum indicum L.）头状花序的水蒸馏精油的挥发性成分进行了分析。共鉴定出 169 种化合物，占精油的 88.79-99.53%，8 个产地的组成百分比存在一些显著差异。精油的主要成分是 1,8-桉叶素（0.62-7.34%）、（+）-（1R,4R）-樟脑（0.17-27.56%）、石竹烯氧化物（0.54-5.8%）、β-水芹烯（0.72-1.87%）、（-）-（1S,2R,4S）-龙脑乙酸酯（0.33-8.46%）、2-甲基-6-（对甲苯基）庚-2-烯（0.3-8.6%）、4,6,6-三甲基双环[3.1.1]庚-3-烯-2-基乙酸酯（0.17-26.48%）和十六烷酸（0.72-15.97%）。根据聚类分析（CA）和主成分分析（PCA）的结果，讨论了精油成分的化学分类学价值。将 8 个群体分为 5 个组，即不同的化学型（A-E 组），得分与载荷清楚地揭示了每个群体的不同化学性质。总之，GC/MS 结合化学计量学技术为不同产地的菊花精油特征提供了一种灵活可靠的方法。
