1.湖北省食品质量安全监督检验研究院,湖北 武汉 430075
2.国家市场监管重点实验室(动物源性食品中重点化学危害物检测技术),湖北 武汉 430075
3.湖北时珍实验室,湖北 武汉 430065
4.鄂州市食品药品检验检测所,湖北 鄂州 436001
范小龙,高级工程师,研究方向:食品安全与检测,E-mail:553503578@qq.com
收稿:2025-12-26,
修回:2026-04-15,
录用:2026-04-15,
网络首发:2026-04-29,
纸质出版:2026-06-15
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吴婉琴,范小龙,邓曦,夏金涛,朱松松,江丰,张莉,李涛.基于便携式质谱技术测定食品中新型减肥药物[J].分析测试学报,2026,45(06):1-7.
WU Wan-qin,FAN Xiao-long,DENG Xi,XIA Jin-tao,ZHU Song-song,JIANG Feng,ZHANG Li,LI Tao.Determination of New Weight-loss Drugs in Food by Portable Mass Spectrometry[J].Journal of Instrumental Analysis,2026,45(06):1-7.
吴婉琴,范小龙,邓曦,夏金涛,朱松松,江丰,张莉,李涛.基于便携式质谱技术测定食品中新型减肥药物[J].分析测试学报,2026,45(06):1-7. DOI: 10.12452/j.fxcsxb.25122603.
WU Wan-qin,FAN Xiao-long,DENG Xi,XIA Jin-tao,ZHU Song-song,JIANG Feng,ZHANG Li,LI Tao.Determination of New Weight-loss Drugs in Food by Portable Mass Spectrometry[J].Journal of Instrumental Analysis,2026,45(06):1-7. DOI: 10.12452/j.fxcsxb.25122603.
建立了饮料、压片糖果、蜜饯、果冻4种基质 中比沙可啶环丙甲酰替代物和西布曲明二氯代异戊基替代物的便携式质谱分析方法。样品经甲醇超声提取,取适量提取液置于专用试剂盒中进行仪器测定。2种化合物在50~2 500 ng/mL范围内线性良好,相关系数(
r
2
)均大于0.99,检出限均为0.5 mg/kg,定量下限均为2.5 mg/kg。在1、2、10倍定量下限水平下的平均加标回收率为80.2%~111%,相对标准偏差为10%~18%。采用该法检出2批次阳性样品,与液相色谱-串联质谱法(LC-MS/MS)进行比较,西布曲明二氯代异戊基替代物和比沙可啶环丙甲酰替代物的含量相对偏差分别为10.6%和17.2%,表明两种方法结果一致。虽然便携式质谱法在灵敏度、精密度及线性方面低于常规LC-MS/MS法,但其操作简便、便于现场快速筛查,适用于非法添加物的初筛与现场监管,为食品安全监管提供及时有效技术支撑。
A portable mass spectrometry method was established for the analysis of cyclopropanecarboxylic acid,1,1′-[(2-pyridinylmethylene)di-4,1-phenylene] ester and chlorosipentramine in four matrices:beverages,pressed candies,preserved fruits,and jellies. Samples were extracted with methanol via ultrasonication,and an appropriate amount of the extract was placed into a dedicated reagent kit for instrumental detection. The two compounds showed good linearity within the concentration range of 50-2 500 ng/mL,with correlation coefficients(
r
2
) all above 0.99,the limits of detection(LODs) was 0.5 mg/kg and the limits of quantification(LOQs) was 2.5 mg/kg for both. The average spiked recoveries of the two compounds at three levels(1×,2×,and 10× LOQ) ranged from 80.2% to 111%,with relative standard deviations(RSDs) between 10% and 18%. The method was applied to actual samples,and two batches of positive samples were detected. The results from the positive samples were verified and compared with those obtained by liquid chromatography-tandem mass spectrometry (LC-MS/MS). The relative deviation was 10.6% and 17.2% respectively for chlorosipentramine and cyclopropanecarboxylic acid,1,1′-[(2-pyridinylmethylene)di-4,1-phenylene] ester. With relative deviations below 20%,the results from the two methods were considered essentially consistent. Although portable mass spectrometry is inferior to conventional LC-MS/MS in terms of sensitivity,precision,and linear correlation,it offers the advantages of simple operation and suitability for on-site rapid screening. It is applicable for preliminary screening and on-site supervision of illegal additives,providing timely and effective technical support for food safety regulation.
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