The pH dependence of photochemical reactions between methoxyphenols with Fe(III)-oxalates
文献类型： 外文期刊
作者： Zhou, Hao 1 ; Zhang, Meiyu 2 ; Chen, Qianqian 3 ; Shan, Qi 1 ; Liu, Shugui 1 ; Lin, Jiawei 1 ; Ma, Lisha 1 ; Zheng, Guangming 1 ; Li, Lichun 1 ; Zhao, Cheng 1 ; Wei, Linting 1 ; Dai, Xiaoxin 1 ; Yin, Yi 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst, Key Lab Prevent & Control Aquat Invas Alien Specie, Guangdong Prov Key Lab Aquat Anim Immunol & Sustai, Guangzhou 510380, Peoples R China
2.Coll Anim Sci & Technol, Guangdong Polytech Sci & Trade, Guangzhou 510380, Peoples R China
3.Inst Anim Sci, Meizhou Acad Agr & Forestry Sci, Meizhou 514021, Peoples R China
关键词： Chloramphenicol; Aquaculture products; QuEChERS; Response surface methodology; UPLC-MS; MS
期刊名称：MICROCHEMICAL JOURNAL （ 影响因子：4.8； 五年影响因子：4.5 ）
ISSN： 0026-265X
年卷期： 2023 年 190 卷
页码：
收录情况： SCI
摘要： A simple and sensitive method for the determination of amphenicol antibiotic (chloramphenicol, thiamphenicol and florfenicol) residues in aquaculture products was developed based on a response surface methodologymodified QuEChERS (quick, easy, cheap, effective, rugged and safe) method combined with ultra-high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). The pretreatment method was optimized via single-factor experiments and response surface methodology based on central-composite design to maximize the extraction efficiency and purification effect. The results show that chloramphenicol, thiamphenicol and florfenicol had good linearity in the range of 0.1-50 ng/mL. The recoveries of these amphenicol antibiotics in 12 types of aquaculture products ranged from 78.6% to 106.2% with relative standard deviations less than 12.1%. The method had high sensitivity with the limit of quantification of analytes being 0.01-0.04 mu g/kg. Finally, the developed method was used to analyze actual samples. The results show that this method has good application potential for detecting residues of amphenicol antibiotics in aquaculture products.
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