The determination of residues of bentazone and its metabolites in rice and wheat flour by high-performance liquid chromatography-MS/MS

Authors

LIU Di, Hubei Provincial Institute for Food Supervision and Test, Wuhan, Hubei 430075, China; Hubei Provincial Engineering and Technology Research Center for Food Quality and Safety Test， Wuhan, Hubei 430075， China
YANG Qing, Hubei Provincial Institute for Food Supervision and Test, Wuhan, Hubei 430075, China; Hubei Provincial Engineering and Technology Research Center for Food Quality and Safety Test， Wuhan, Hubei 430075， China
HAN Li, Hubei Provincial Institute for Food Supervision and Test, Wuhan, Hubei 430075, China; Hubei Provincial Engineering and Technology Research Center for Food Quality and Safety Test， Wuhan, Hubei 430075， China
YU Ting-ting, Hubei Provincial Institute for Food Supervision and Test, Wuhan, Hubei 430075, China; Hubei Provincial Engineering and Technology Research Center for Food Quality and Safety Test， Wuhan, Hubei 430075， China
CAO Qi, Hubei Provincial Institute for Food Supervision and Test, Wuhan, Hubei 430075, China; Hubei Provincial Engineering and Technology Research Center for Food Quality and Safety Test， Wuhan, Hubei 430075， China
JIANG Feng, Hubei Provincial Institute for Food Supervision and Test, Wuhan, Hubei 430075, China; Hubei Provincial Engineering and Technology Research Center for Food Quality and Safety Test， Wuhan, Hubei 430075， China
WANG Hui-xia, Hubei Provincial Institute for Food Supervision and Test, Wuhan, Hubei 430075, China; Hubei Provincial Engineering and Technology Research Center for Food Quality and Safety Test， Wuhan, Hubei 430075， China

Abstract

A general QuEChERS purification method was used to establish an HPLC-MS/MS method for the determination of Bentazone and its metabolites 6-hydroxymetazone and 8-hydroxymetazone residues in rice and flour. The results showed that the calibration curves had a good linear relationship between bentazone and its metabolites in the range of 0.1 to 100.0 μg/kg, and the linear correlation coefficients (R²) were all greater than 0.995, with the limits of quantification were all 0.2 μg/kg. Methods at the levels of 0.2 μg/kg, 0.4 μg/kg and 2 μg/kg, the average recovery rates were between 89.6% and 106.9%, and the relative standard deviations were between 1.4% and 11.7% (n=6). The detection method was fast, high sensitivity, accurate and accurate, and the results are stable. It was suitable for the determination and confirmation of Bentazone and its metabolites 6-hydroxy-10-propafenone and 8-hydroxy-1-propafenone residues in rice and flour.

Publication Date

1-28-2021

First Page

79

Last Page

85

DOI

10.13652/j.issn.1003-5788.2021.01.012

Recommended Citation

Di, LIU; Qing, YANG; Li, HAN; Ting-ting, YU; Qi, CAO; Feng, JIANG; and Hui-xia, WANG (2021) "The determination of residues of bentazone and its metabolites in rice and wheat flour by high-performance liquid chromatography-MS/MS," Food and Machinery: Vol. 37: Iss. 1, Article 12.
DOI: 10.13652/j.issn.1003-5788.2021.01.012
Available at: https://www.ifoodmm.cn/journal/vol37/iss1/12

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