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Determination of Pyrethroids in Dendrobium officinale by Ultrasound/Microwave-Assisted Solid-Liquid-Solid Dispersive Extraction, Gas Chromatography, and Triple-Quadrupole Mass Spectrometry

文献类型： 外文期刊

作者： Wu, Huizhen 1 ; Qian, Mingrong 2 ; Wang, Jianmei 2 ; Zhang, Hu 2 ; Li, Zuguang 1 ;

作者机构： 1.Zhejiang Univ Technol, Coll Chem Engn, 18 Chaowang Rd, Hangzhou 310014, Zhejiang, Peoples R China

2.Zhejiang Acad Agr Sci, MOA Key Lab Pesticide Residue Detect, Inst Qual & Stand Agroprod, 198 Shiqiao Rd, Hangzhou 310021, Zhejiang, Peoples R China

关键词： Dendrobium officinale;gas chromatography-mass spectrometry;pyrethroids;solid-liquid-solid dispersive extraction;ultrasound/microwave-assisted extraction

期刊名称：ANALYTICAL LETTERS （ 影响因子：2.329； 五年影响因子：1.738 ）

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收录情况： SCI

摘要： An ultrasound/microwave-assisted solid-liquid-solid dispersive extraction method was developed for the determination of 16 pyrethroid insecticides in Dendrobium officinale. The extraction and purification were performed in one step. The pyrethroids were extracted with 8: 2 acetone: hexane and purified with a mixture of primary secondary amine, Florisil, C18, and graphitized carbon black. The extraction temperature, extraction time, and ultrasound power were optimized. Trans-cyfluthrin-d(6) was used as the internal standard to improve the accuracy. Under the optimized conditions, the recoveries of the pyrethroids were from 72.2 to 113.9% with the limits of detection between 0.29 and 9.38 mu g kg(-1). The optimized method was successfully used for the determination of pyrethroids in commercial D. officinale samples and may allow monitoring pyrethroids in herbal products.

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[1]Simultaneous determination of sulfonamides and metabolites in manure samples by one-step ultrasound/microwave-assisted solid-liquid-solid dispersive extraction and liquid chromatography-mass spectrometry. Wu, Hui-zhen,Li, Zu-guang,Wu, Hui-zhen,Qian, Ming-rong,Wang, Jian-mei,Zhang, Hu,Ma, Jun-wei,Lee, Maw-rong.

[2]Ultrasound/microwave-assisted solid-liquid-solid dispersive extraction with high-performance liquid chromatography coupled to tandem mass spectrometry for the determination of neonicotinoid insecticides in Dendrobium officinale. Zheng, Shuilian,Wu, Huizhen,Li, Zuguang,Wang, Jianmei,Zhang, Hu,Qian, Mingrong.

[3]Insights from the Cold Transcriptome and Metabolome of Dendrobium officinale: Global Reprogramming of Metabolic and Gene Regulation Networks during Cold Acclimation. Wu, Zhi-Gang,Jiang, Wu,Chen, Song-Lin,Tao, Zheng-Ming,Jiang, Cheng-Xi,Chen, Song-Lin,Mantri, Nitin. 2016

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