CHEN Shudong,DENG Jie,CHEN Zhian,et al.Comparative analysis of essential oil components of Amomi Fructus from different origins by gas chromatography⁃mass spectrometry[J].Shanghai Journal of Traditional Chinese Medicine,2022,56(08):96-101.
CHEN Shudong,DENG Jie,CHEN Zhian,et al.Comparative analysis of essential oil components of Amomi Fructus from different origins by gas chromatography⁃mass spectrometry[J].Shanghai Journal of Traditional Chinese Medicine,2022,56(08):96-101. DOI: 10.16305/j.1007-1334.2022.2202043.
Comparative analysis of essential oil components of Amomi Fructus from different origins by gas chromatography⁃mass spectrometry
Objective,2,To establish gas chromatography-mass spectrometry (GC-MS) for the comparative analysis of the content and components of essential oil from Amomi Fructus in different regions in order to study the original features of Amomi Fructus.,Methods,2,By compared the essential oil content of the seed masses in Amomi Fructus samples from the main producing areas of Guangdong, Yunnan and Guangxi provinces, the essential oil of Amomi Fructus from different regions was separated and identified by GC-MS on a DB-1ms column (30 m×0.25 mm, 0.25 μm), and the relative contents of each compound were determined by area normalization method. Correlation analysis and cluster analysis were used to analyze and evaluate the components of Amomi Fructus samples from 20 batches of different producing areas.,Results,2,The method had high precision, repeatability and stability, and met the qualitative and quantitative requirements. The results showed that there was a certain degree of difference in the essential oil content of Amomi Fructus samples from different regions. Twelve common chemical components were identified from 20 batches of essential oil of Amomi Fructus from different origins, of which the main components were bornyl acetate, camphor, limonene and borneol. There were obvious differences among some components from different origins. Correlation analysis showed that α-copaene and (+)-aromandendrene, β-myrcene and D-limonene were positively correlated (correlation coefficient: 0.968, 0.938, ,P,<,0.01), respectively. The samples of Amomi Fructus from Guangdong, Yunnan and Guangxi could be accurately classified according to the results of cluster analysis respectively.,Conclusions,2,Amomi Fructus has obvious origin clustering characteristics, and there are certain differences in chemical composition of essential oil of Amomi Fructus from different origins. Different production areas of Amomi Fructus can be distinguished by detecting specific components. The established method and experimental results can provide theoretical basis for the development and quality evaluation of Amomi Fructus,resources.
关键词
砂仁挥发油气相色谱-质谱联用法相关性分析聚类分析中药研究
Keywords
Amomi Fructusessential oilGC-MScorrelation analysiscluster analysistraditional Chinese herbal medicine research
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