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1.南京中医药大学 江苏省中药资源产业化过程协同创新中心,中药资源产业化与方剂创新药物国家地方联合工程中心,国家中医药管理局中药资源循环利用重点研究室,江苏省方剂高技术研究重点实验室,江苏 南京 210023
2.道地药材品质保障与资源持续利用全国重点实验室,北京 100700
宿树兰,教授,博士生导师,研究方向:中药资源化学研究与方剂功效物质及其作用机制,E-mail:sushulan1974@163.com
段金廒,教授,博士生导师,研究方向:中药资源化学与资源循环利用、中药功效物质与配伍关系研究,E-mail:dja@njucm.edu.cn
收稿日期:2024-09-30,
修回日期:2024-11-29,
录用日期:2024-12-18,
网络出版日期:2025-04-25,
纸质出版日期:2025-07-15
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刘欣慧,余代鑫,郑慧丽,严辉,郭盛,郭兰萍,宿树兰,段金廒.基于FT-NIR结合化学计量学方法的不同产地柴胡快速鉴别及含量预测研究[J].分析测试学报,2025,44(07):1254-1262.
LIU Xin-hui,YU Dai-xin,ZHENG Hui-li,YAN Hui,GUO Sheng,GUO Lan-ping,SU Shu-lan,DUAN Jin-ao.Rapid Identification and Content Prediction of Bupleuri Radix from Different Origins Based on FT-NIR Combined with Chemometrics Method[J].Journal of Instrumental Analysis,2025,44(07):1254-1262.
刘欣慧,余代鑫,郑慧丽,严辉,郭盛,郭兰萍,宿树兰,段金廒.基于FT-NIR结合化学计量学方法的不同产地柴胡快速鉴别及含量预测研究[J].分析测试学报,2025,44(07):1254-1262. DOI: 10.12452/j.fxcsxb.240930433.
LIU Xin-hui,YU Dai-xin,ZHENG Hui-li,YAN Hui,GUO Sheng,GUO Lan-ping,SU Shu-lan,DUAN Jin-ao.Rapid Identification and Content Prediction of Bupleuri Radix from Different Origins Based on FT-NIR Combined with Chemometrics Method[J].Journal of Instrumental Analysis,2025,44(07):1254-1262. DOI: 10.12452/j.fxcsxb.240930433.
该研究基于傅里叶变换-近红外光谱(FT-NIR)技术与化学计量学方法建立了不同产地柴胡的定性模型及指标性成分含量快速预测模型。首先选用多元散射校正(MSC)、标准正态变换(SNV)、一阶导数(1
st
D)、二阶导数(2
nd
D)等多种组合筛选最优光谱预处理方法,采用偏最小二乘判别分析(PLS-DA)、支持向量机(SVM)、随机森林(RF)、K-近邻(KNN)等化学计量学方法对不同产地柴胡药材进行快速鉴别;基于区间组合优化(ICO)筛选最优光谱波段,构建柴胡指标性成分含量的最优偏最小二乘法(PLS)定量模型。MSC的光谱预处理方法判别准确率最优,为97.5%,可用于产地判别模型的构建。KNN、RF、SVM算法对训练集样品的预测准确率可达100%。基于ICO的PLS模型的预测相对分析误差(RPD)均大于2,预测决定系数(
R
2
p
)均大于0.90,预测性能优异。结果表明FT-NIR技术结合化学计量学方法可用于不同产地柴胡药材的区分及指标性成分含量的快速预测。该方法简便快捷、结果准确可靠,对快速评价柴胡质量具有参考意义。
In this study,a qualitative model and a rapid prediction model for the content of indicator components of Bupleuri radix from different origins were established based on Fourier transform-near infrared spectroscopy(FT-NIR) technology and chemometrics method. The optimal spectral preprocessing methods were firstly screened by combining multiple scattering corrections(MSC),standard normal variation(SNV),first-order derivative(1
st
D),second-order derivative(2
nd
D),etc. Partial least squares-discriminant analysis(PLS-DA),support vector machine(SVM),random forest(RF) and K-nearest neighbor(KNN) chemometrics method were used to analyze the contents of different origin Bupleuri radix. The optimal partial least squares(PLS) quantitative mode
l was constructed based on interval combinatorial optimization(ICO) to screen the optimal spectral bands for quantifying the content of the indicator components of Bupleuri radix. The spectral preprocessing method of MSC has the best discriminatory accuracy of 97.5%,which can be used for the construction of the origin discriminatory model. The prediction of quasi-samples from the training set of KNN,RF and SVM algorithms can reach 100% accuracy. The accuracy of the KNN,RF and SVM algorithms can reach 100%. The relative analytical errors(RPD) of the prediction of PLS models based on ICO are all greater than 2,and the prediction coefficients of determination(
R
2
p
) are all greater than 0.90,with excellent prediction performance. It indicates that the FT-NIR technique combined with chemometrics method can be used for the differentiation of Bupleuri radix from different origins and the rapid prediction of the content of index components,and the method is simple and fast,with accurate and reliable results,which can be used as a reference for the rapid evaluation of the quality of Bupleuri radix.
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