建立了采用固相萃取-液相色谱-质谱/质谱(SPE-LC-MS/MS)对蜂蜜中磺胺类、硝基咪唑类、喹诺酮类、大环内酯类、林可酰胺类和吡喹酮共计6大类54种药物残留同时测定的方法.蜂蜜经磷酸盐缓冲溶液(pH 8)稀释,Oasis HLB固相萃取柱净化后,通过液相色谱-质谱联用技术进行检测(正离子方式,多反应监测模式).采用同位素稀释内标法或外标法进行定量,线性关系良好,相关系数大于0.992.方法的定量限(LOQ,以信噪比(S/N)大于10计)分别为磺胺类和硝基咪唑类药物1.0μg/kg,喹诺酮类和林可酰胺类药物2.0μg/kg,大环内酯类药物3.0μg/kg,吡喹酮0.3μg/kg.总体回收率为32.6％～114％,相对标准偏差为1.3％～28.9％.该方法的定量限满足目前国内外药物的最大残留限量要求,可作为蜂蜜中相关约物残留量的筛选检测方法.
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