Residues of Organochlorine Pesticides in Radix Astragali Samples from Different Field Origins

LI Hui; WU Hong; SHEN Chen; CHEN Jin-jun

doi:10.11653/syfj2013100131

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Residues of Organochlorine Pesticides in Radix Astragali Samples from Different Field Origins

更新时间：2024-01-04

- Residues of Organochlorine Pesticides in Radix Astragali Samples from Different Field Origins
- Chinese Journal of Experimental Traditional Medical Formulae Vol. 19, Issue 10, Pages: 131-134(2013)
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- DOI：10.11653/syfj2013100131
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- Published：2013
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LI Hui, WU Hong, SHEN Chen, et al. Residues of Organochlorine Pesticides in Radix Astragali Samples from Different Field Origins[J]. Chinese journal of experimental traditional medical formulae, 2013, 19(10): 131-134.
DOI：

LI Hui, WU Hong, SHEN Chen, et al. Residues of Organochlorine Pesticides in Radix Astragali Samples from Different Field Origins[J]. Chinese journal of experimental traditional medical formulae, 2013, 19(10): 131-134. DOI： 10.11653/syfj2013100131.

摘要

目的: 比较研究不同产地黄芪药材中9种有机氯农药残留。方法: 随机抽取样品

经有机溶剂超声提取、以浓硫酸磺化后

采用不分流进样方式

用rtx-5弹性石英毛细管柱(0.25 μm×0.25 mm×30 m)经一次程序升温技术分离

并用电子捕获检测器(ECD)检测

外标法计算含量。结果: 最低检测限<0.01×10-6;加样回收率为86.9%～105.0%

甘肃、内蒙、山西等主产地黄芪有机氯农药残留远低于《中国药典》2010年版一部规定要求。结论: 建立了一套简捷、可行性强的检测黄芪药材有机氯农药残留的分析方法。

Abstract

Objective: To program a quality evaluation of organochlorine pesticides residue on Radix Astragali produced from different places. Method: Samples were extracted with mixed solvents by ultrasonic

then purified with sulfuric acid. The capillary column was rtx-5 (0.25 μm×0.25 mm×30 m)

splitless injection and detected by ECD detector. Result: The detection limits were less than 0.01×10-6

recoveries of organochlorine pesticides were 86.9%-105.0%. Radix Astragali. produced from Gansu

Neimeng

shanxi ect were more lower than the standard of pharmacopeia. Conclusion: A simple and handing analytical method to detect the organochlorine pesticides of Radix Astragali. has been established.

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