LC/MS-MS for simultaneous determination of 4 kinds of rodenticide residues in plant-origin food

Authors

CHEN Hua, Hunan Research Institute of Food Quality Supervision and Inspection, Changsha, Hunan 410017, China
XU Wenyang, Hunan Research Institute of Food Quality Supervision and Inspection, Changsha, Hunan 410017, China
WANG Yunhao, TheCollege of Resources and Environmental Engingeering, Hunan Agricultural University, Changsha, Hunan 410012, China
ZOU Qiao, Hunan Research Institute of Food Quality Supervision and Inspection, Changsha, Hunan 410017, China
LI Tao, Hunan Research Institute of Food Quality Supervision and Inspection, Changsha, Hunan 410017, China

Abstract

To establish a LC/MS-MS method for determination of 4 kinds of rodenticide residues in plant-origin food, the effects of different mobile phase and purification on the recovery was studied. The grain samples were extracted by acetontrile and then determined by LC/MS-MS, while the samples with fruit or vegetable matrix were purified with PSA+GCB after the extraction. LC/MS-MS was used for determination. The recoveries were all above 70% at spiked levels of 0.002～0.050 mg/kg, and the relative standard deviation of the methods were 4.1%～9.5%. The LOD of warfarin and coumatetralyl were 0.001 mg/kg while the other two reach 0.005 mg/kg which was in accordance with the requirement of technical parameters for analysis, with fast and simple determination and high sensitivity.

Publication Date

11-28-2017

First Page

72

Last Page

75

DOI

10.13652/j.issn.1003-5788.2017.11.014

Recommended Citation

Hua, CHEN; Wenyang, XU; Yunhao, WANG; Qiao, ZOU; and Tao, LI (2017) "LC/MS-MS for simultaneous determination of 4 kinds of rodenticide residues in plant-origin food," Food and Machinery: Vol. 33: Iss. 11, Article 14.
DOI: 10.13652/j.issn.1003-5788.2017.11.014
Available at: https://www.ifoodmm.cn/journal/vol33/iss11/14

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