近红外光谱法测定道地产区生地黄中梓醇的含量

白雁; 李雯霞; 王星; 龚海燕; 谢彩霞

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近红外光谱法测定道地产区生地黄中梓醇的含量

更新时间：2024-01-04

- 近红外光谱法测定道地产区生地黄中梓醇的含量
- Determination of Catalpol Content in Radix Rehmanniae from Genuine Producing Area by Near Infrared Spectroscopy
- 中国实验方剂学杂志 2010年16卷第13期页码：45-47
- 作者机构：
- 作者简介：
- 基金信息：
  
  河南省重大公益科研项目(081100912500);河南省杰出人才计划项目(084200510017)
- DOI：
  中图分类号：
- 纸质出版日期：2010
- 稿件说明：
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白雁, 李雯霞, 王星, 等. 近红外光谱法测定道地产区生地黄中梓醇的含量[J]. 中国实验方剂学杂志, 2010,16(13):45-47.

BAI yan, LI Wen-xia, WANG Xing, et al. Determination of Catalpol Content in Radix Rehmanniae from Genuine Producing Area by Near Infrared Spectroscopy[J]. Chinese journal of experimental traditional medical formulae, 2010, 16(13): 45-47.
白雁, 李雯霞, 王星, 等. 近红外光谱法测定道地产区生地黄中梓醇的含量[J]. 中国实验方剂学杂志, 2010,16(13):45-47. DOI：

BAI yan, LI Wen-xia, WANG Xing, et al. Determination of Catalpol Content in Radix Rehmanniae from Genuine Producing Area by Near Infrared Spectroscopy[J]. Chinese journal of experimental traditional medical formulae, 2010, 16(13): 45-47. DOI：

摘要

目的 :运用近红外光谱法建立道地产区生地黄中梓醇含量的近红外光谱定量分析模型。方法 :利用HPLC测定样品中梓醇的含量

运用偏最小二乘法(PLS)建立其含量与NIR光谱之间的校正模型

并对未知样品进行预测。结果 :校正集内部交叉验证决定系数R2为0.993 83

交互验证均方根偏差RMSEC为0.087 5

预测均方根偏差RMSEP为0.032 0。结论 :利用近红外光谱法测定生地黄中梓醇的含量是可行的

该法具有快速、简便、无损等特点。

Abstract

Objective: The quantitative analysis model for determination of the content of catalpol in Radix Rehmanniae from genuine producing area was established using near-infrared spectroscopy. Method: The catalpol content was determined by HPLC. The near-infrared model was established combined the near-infrared spectroscopy with the value determined by HPLC. And then predict the model with verification. Result: The correlation coefficient of calibration (R2) was 0.993 83. Root mean square error of cross validation (RMSEC) was 0.087 5; Root mean square error of prediction (RMSEP) was 0.032 0. Conclusion: It was feasible to determine the catalpol content in Radix Rehmanniae and it provided a rapid convenient method for quality control of Radix Rehmanniae.

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