超高效液相色谱-串联质谱法检测汤料食品中罂粟壳成分

Journal of Food Safety & Quality(2020)

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Abstract
目的 建立超高效液相色谱-串联质谱法(ultra performance liquid chromatography tandem mass spectrometry,UPLC-MS/MS)定性定量检测市售麻辣烫、火锅底料及牛肉汤等汤料食品中罂粟碱、吗啡、可待因、那可丁和蒂巴因的分析方法.方法 样品经0.1 mol/L HCl提取、混合阳离子(mixed-cation,MCX)固相萃取柱净化.选用Waters BEH HILIC(2.1 mm×100 mm,1.7μm)色谱柱进行分离,以0.1%(V/V)甲酸-乙腈和0.1%甲酸-10 mmol/L甲酸铵溶液为流动相,进行梯度洗脱.采用正离子源模式(positive electrospray ionization,ESI+)和多反应检测(multi reaction monitor,MRM)模式进行检测,内标法定量.结果 在0.1~20μg/L(吗啡和可待因)以及0.1~4.0μg/L(蒂巴因、那可丁和罂粟碱)的浓度范围内,5种罂粟壳物质线性良好,相关系数均大于0.995,检出限为0.1~0.5μg/L,方法回收率的范围在77.9%~95.5%之间,相对标准偏差1.75%~9.49%(n=6).结论 方法简单易行可操作,且精密度及准确度均较高,适用于汤料食品中罂粟壳的检测.
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