刘爱朋;郭利霄;薛紫鲸;郑玉光;郭龙;
LIU Ai-peng;GOU Li-xiao;XUE Zi-jing;ZHENG Yu-guang;GUO Long;College of Pharmacy,Hebei University of Chinese Medicine;

• 1:河北中医学院药学院

摘要(Abstract)：

蒲公英为菊科植物蒲公英Taraxacum mongolicum、碱地蒲公英T.borealisinense或同属数种植物的干燥全草。根据生长栽培模式不同,蒲公英药材可分为野生品和栽培品2种。该文采用高效液相色谱法对11批蒲公英野生品和9批蒲公英栽培品的化学成分进行了分析,建立了蒲公英药材的化学指纹图谱,共标定9个共有峰。各批蒲公英样品相似度均在0.960之上,所建立的蒲公英化学指纹图谱专属性良好,可用于蒲公英药材的质量评价。在此基础上,进一步对蒲公英野生品和栽培品中的单咖啡酰酒石酸、绿原酸、咖啡酸、菊苣酸、异绿原酸A、木犀草素6种化学成分进行了含量测定,并结合主成分分析和正交偏最小二乘判别分析等化学计量学方法对蒲公英野生品和栽培品药材进行区分与比较。结果表明蒲公英野生品和栽培品化学成分间存在一定的差异,异绿原酸A和木犀草素是蒲公英野生品和栽培品的差异化合物,可作为鉴别和区分二者的质量控制指标。通过以上研究,为蒲公英药材的质量控制和蒲公英野生品和栽培品的区分提供了分析方法和数据支撑。
Taraxaci Herba was derived from the dried Herba of Taraxacum mongolicum,T. borealisinense and several species from the Taraxacum genus. Taraxaci Herba has been widely used in traditional Chinese and folk medicines. According to the different growth and cultivation pattern,Taraxaci Herba could be divided into two species,wild Taraxaci Herba and cultivated Taraxaci Herba.In the present study,an accurate and reliable fingerprint approach was developed using high performance liquid chromatography( HPLC) for quality control of Taraxaci Herba. A total of 9 common peaks were marked,and the similarity of all the Taraxaci Herba samples was above 0. 960. The established fingerprint method could be used for quality control of Taraxaci Herba. Furthermore,an HPLC method was established for simultaneous determination of six bioactive compounds,including monocaffeoyl tartaric acid,chlorogenic acid,caffeic acid,cichoric acid,4,5-dicaffeoylquinic acid and luteolin in wild Taraxaci Herba and cultivated Taraxaci Herba.Moreover,chemometrics analysis such as principal component analysis and orthogonal partial least squares discriminant analysis were performed to compare and discriminate the wild samples and cultivated samples based on the quantitative data. The chemometrics results indicated that 4,5-dicaffeoylquinic acid and luteolin were significant to effectively discriminate the wild Taraxaci Herba and cultivated Taraxaci Herba samples,and these two compounds could be recognized as chemical markers for quality evaluation of wild Taraxaci Herba and cultivated Taraxaci Herba. The fingerprint analysis and quantitative analysis of multi-components could be a well-acceptable strategy for evaluation the quality of Taraxaci Herba.

关键词(KeyWords)： 蒲公英;指纹图谱;含量测定;化学计量学;质量控制
Taraxaci Herba;fingerprint analysis;quantitative analysis;chemometrics;quality evaluation

Abstract:

Keywords:

基金项目(Foundation): 孙宝惠全国名老中医药专家传承工作室项目(7002016008005);; 河北省中医药管理局科研计划项目(2018108);; 河北省自然科学基金项目(H2018423032);; 河北省二期现代农业产业技术体系创新团队项目(HBCT2018060205)

作者(Author): 刘爱朋;郭利霄;薛紫鲸;郑玉光;郭龙;
LIU Ai-peng;GOU Li-xiao;XUE Zi-jing;ZHENG Yu-guang;GUO Long;College of Pharmacy,Hebei University of Chinese Medicine;

Email:

DOI: 10.19540/j.cnki.cjcmm.2018.0103

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