STUDY ON THE CHARACTERIZATION OF CORYDALIS YANHUSUO BY FTIRS WITH CLUSTER ANALYSIS AND BY DTA
摘 要
采用傅里叶变换红外光谱法(FTIR)对不同品种的大叶、小叶延胡索及非正品延胡索进行了直接测定,并用FTIR聚类分析并结合差热分析法(DTA)对延胡索正品的不同品种及与非正品的亲缘关系进行了研究.FTIR聚类分析结果显示5个样品分为4组,大叶、小叶延胡索为一组,齿瓣元胡、东北元胡和土元胡各为一组;差热分析结果显示正品延胡索品种与非正品延胡索的DTA曲线有很明显的区别.所提出方法可有效地鉴别亲缘关系相近的中药材植物.
Abstract
Fourier transform infrared spectrometry (FTIRS) was applied to the direct determination of different varieties of the big and small leaf types of Corydalis yanhusuo and their unqualified species.In the further study of kindredship between different varieties of qualified and unqualified Corydalis yanhusuo,in addition to FTIRS/Cluster analysis,differential thermal analysis (DTA) was used simultaneously.Five samples of qualified and unqualified Corydalis yanhusuo,i.e.the big (a) and small leaf (b) types of Corydalis yanhusuo,the Corydalis humosa Migol (c),the Corydalis turtschaninovil Bess (d) and the corydalis ambigua Champ.et Schltd.var.amurensis Maxim (e),were taken in the experiments.As shown by the results of Cluster Analysis,the five samples mentioned above were separated into 4 groups at the distance matrix level of 0.006;a close kindredship was shown by the clustering of (a),(b) and (c) at the distance matrix level of 0.007;and clustering of (d) and (e) was observed at distance matrix level of 0.013.The results of DTA showed that obvious differences were observed among the DTA curves of the 5 samples.The proposed method was proved to be an effective way to identify traditional chinese medicinal plants of close kindredship.
中图分类号 O653.33
所属栏目 试验与研究
基金项目 浙江省自然科学基金资助项目(301468)
收稿日期 2006/2/22
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备注成则丰(1981-),男,浙江上虞人,硕士研究生,主要从事天然产物化学、有机波谱分析的研究.
引用该论文: CHENG Ze-feng,LI Dan-ting,LI Hua-qiong,CHENG Cun-gui. STUDY ON THE CHARACTERIZATION OF CORYDALIS YANHUSUO BY FTIRS WITH CLUSTER ANALYSIS AND BY DTA[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2006, 42(8): 601~603
成则丰,李丹婷,李花琼,程存归. FTIR聚类分析结合差热分析法应用于中药材延胡索表征的研究[J]. 理化检验-化学分册, 2006, 42(8): 601~603
被引情况:
【1】曹珍,赵建成,黄士良, "傅里叶变换红外光谱法结合聚类分析对大叶藓及其易混种类的鉴别",理化检验-化学分册 50, 1278-1281(2014)
【2】周宇艳,程欲晓,蔡婧,金樱华, "热重分析-傅里叶变换红外光谱法分析无机物填充高分子复合材料的组分",理化检验-化学分册 51, 512-515(2015)
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