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Chinese Agricultural Science Bulletin ›› 2023, Vol. 39 ›› Issue (19): 116-123.doi: 10.11924/j.issn.1000-6850.casb2022-0090

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Sample Preparation Methods for Pesticide Residue of Wild Chinese Medicinal Materials: A Review

LI Rui1,2(), GUO Yang1,2, ZHANG Shuwu1,2, JIANG Qiong1,2()   

  1. 1 College of Plant Protection, Gansu Agricultural University, Lanzhou 730000
    2 Gansu Key Laboratory of Biological Control of Crop Diseases and Insect Pests, Lanzhou 730000
  • Received:2022-02-21 Revised:2023-04-09 Online:2023-07-05 Published:2023-07-03

Abstract:

To further promote the accuracy and data reliability of pesticide residue analysis and determination of wild Chinese medicinal materials, this paper described the methods for collecting and preparing samples with pesticide residual from three rare wild Chinese medicinal materials, and summarized related pretreatment techniques, including extracting technique of Cordyceps sinensis, slicing and crushing of Panax ginseng, and spore wall breaking of Ganoderma lucidum. Sample collection and preparation, which are the first step of sample pretreatment in pesticide residue analysis, have impacts on the handling of samples as well as the analytical and determination results. Therefore, a scientific and reasonable sample preparation method is of great significance for the quality and efficacy of traditional Chinese medicinal materials.

Key words: Chinese medicinal materials, pesticide residue, sample collection, sample preparation, sample pretreatment technology