1.湖南省衡阳市中心医院,湖南 衡阳 421001；2.浙江省丽水市食品药品检验所，浙江 丽水 323000

    近红外光谱法青皮药材真伪鉴别研究

    涂蓉玲1王建伟2

    1.湖南省衡阳市中心医院,湖南 衡阳 421001；2.浙江省丽水市食品药品检验所，浙江 丽水 323000

    目的用近红外(NIR)光谱鉴别中药材青皮及其伪品。方法用NIR光谱仪对不同产地的青皮药材粉末进行扫描，用导数光谱法处理原始图谱，设定CI值为3.03，建立青皮NIR光谱一致性模型，并用该模型验证陈皮伪品，结合薄层色谱法对上述药材真伪进行复核并进行聚类分析。结果正伪品的NIR光谱存在较大差异，但薄层色谱正品与伪品的斑点差异不大，而正伪品之间的斑点却有浓度差异。结论NIR包含的信息全面，用近红外(NIR)光谱鉴别青皮的真伪，快捷、可靠，可以在快检车上推广并用于药材的聚类分析。而TLC不能将青皮所有组分完全分离，需要选择特征斑点作为药材鉴别和聚类分析的依据。

    青皮；近红外光谱、；伪品；一致性模型；薄层色谱；聚类分析

    Abstract:ObjectiveIdentifyGreenTangerinePeeland its confusable varieties by NIRS.MethodScangreentangerinepeelpowder of various origins by NIR spectrometer, process primary spectrum by first-derivative spectroscopy, set the value of CI as 3.03, established NIR spectrum consistency model ofgreentangerinepeeland validate this model by confusable varieties, check the authenticity of the TCM material above and do cluster analysis combine with TLC and NIR.ResultThere is considerable differentia among Green Tangerine Peel and its confusable varieties, which exist in TLC but can not differentiategreentangerinepeelof various origins ......