Storage Years Identification of Pericarpium Citri Reticulatae by Ultra-high Performance Liquid Chromatography－Quadrupole Time-of-flight Mass Spectrometry

ZHOU Xi; LUO Hui-tai; HUANG Jin-pei; CHEN Yi-shan; LI Le; LAI Xiao-na; HUANG Fang; WU Hui-qin

doi:10.19969/j.fxcsxb.23052003

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Storage Years Identification of Pericarpium Citri Reticulatae by Ultra-high Performance Liquid Chromatography－Quadrupole Time-of-flight Mass Spectrometry

Scientific Papers | 更新时间：2023-10-24

- Storage Years Identification of Pericarpium Citri Reticulatae by Ultra-high Performance Liquid Chromatography－Quadrupole Time-of-flight Mass Spectrometry
- Journal of Instrumental Analysis Vol. 42, Issue 8, Pages: 1007-1011(2023)
- 作者机构：
  
  1.广东省科学院测试分析研究所（中国广州分析测试中心），广东省化学测量与应急检测技术重点实验室，广东省中药质量安全工程技术研究中心，广东广州 510070
  2.江门市新会区动物防疫监督所（江门市新会区农产品质量安全监督检验测试中心），广东江门 529199
- 作者简介：
- 基金信息：
- DOI：10.19969/j.fxcsxb.23052003
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周熙,罗辉泰,黄锦沛等.基于UPLC－Q－TOF MS技术的陈皮陈化年份鉴别方法研究[J].分析测试学报,2023,42(08):1007-1011.

ZHOU Xi,LUO Hui-tai,HUANG Jin-pei,et al.Storage Years Identification of Pericarpium Citri Reticulatae by Ultra-high Performance Liquid Chromatography－Quadrupole Time-of-flight Mass Spectrometry[J].Journal of Instrumental Analysis,2023,42(08):1007-1011.
周熙,罗辉泰,黄锦沛等.基于UPLC－Q－TOF MS技术的陈皮陈化年份鉴别方法研究[J].分析测试学报,2023,42(08):1007-1011. DOI： 10.19969/j.fxcsxb.23052003.

ZHOU Xi,LUO Hui-tai,HUANG Jin-pei,et al.Storage Years Identification of Pericarpium Citri Reticulatae by Ultra-high Performance Liquid Chromatography－Quadrupole Time-of-flight Mass Spectrometry[J].Journal of Instrumental Analysis,2023,42(08):1007-1011. DOI： 10.19969/j.fxcsxb.23052003.

摘要

建立了一种陈皮陈化年份的鉴定方法。利用超高效液相色谱－四极杆串联飞行时间质谱（UPLC－Q－TOF MS）对陈皮的主要化学成分进行鉴定，研究了不同陈化年份陈皮样品中化学成分的变化规律，结合统计分析方法发现了6个同分异构体在陈皮陈化过程中的相互转化规律。结果表明，6个分子式为C,20,H,22,O,7,的五甲氧基黄烷酮同分异构体中，前3个化合物含量随年份的增加而降低，后3个化合物含量随年份的增加而升高，其比值与陈化年份具有显著的线性关系。利用该6个特征性成分的转化因子（,S,），建立了陈皮陈化年份计算模型，相关系数（,r,2,）为0.90。训练集样品的年份预测误差均不大于2年。盲样测试结果中90.0%样品的年份预测误差不大于2年。该方法准确可靠，为陈皮陈化年份的鉴定提供了科学依据。

Abstract

A method for identifying the storage years of Pericarpium Citri Reticulatae was established in this paper．The main chemical components in Pericarpium Citri Reticulatae were determined by ultra-high performance liquid chromatography－quadrupole time-of-flight mass spectrometry（UPLC－Q－TOF MS），and the variation of chemical components in samples with different storage years were studied．Results showed that there were six pentamethoxyflavanone isomers of C,20,H,22,O,7,，and the transformation rules for the six isomers were found with the increase of the storage years．With the increase of storage years，the contents of the first three compounds decreased，while the contents of the last three compounds increased．Ratios of the last three compounds to the first three compounds had a significant linear relationship with the storage years．Based on the conversion factor（,S,） of the six characteristic flavonoids，a model for calculating the storage years of Pericarpium Citri Reticulatae was established．The correlation coefficient（,r,2,） for the established model was 0.90，and the verified results showed that the prediction errors for all the model group samples were not more than 2 years，and the prediction errors for 90.0% samples in validation group were not more than 2 years．These results indicated that the established method was accurate and reliable，and it provided a scientific basis for identification on the storage years of Pericarpium Citri Reticulatae.

关键词

陈皮陈化年份超高效液相色谱－四极杆串联飞行时间质谱转化因子

Keywords

Pericarpium Citri Reticulataestorage yearshigh-performance liquid chromatography－quadrupole time-of-flight mass spectrometryconversion factor

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Guangdong Provincial Engineering Research Center for Quality and Safety of Traditional Chinese Medicine，Guangdong Provincial Key Laboratory of Chemical Measurement and Emergency Test Technology， Institute of Analysis，Guangdong Academy of Sciences（China National Analytical Center， Guangzhou）

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