磁性固相萃取-液质联用法检测花生和玉米中的黄曲霉毒素B_(1)  

Determination of Aflatoxin B_(1) in Peanut and Corn by Magnetic Solid Phase Extraction-HPLC/MS/MS

作　　者：袁艳丽[1] 李新丽[1] 朱莉 韩衍青 郭芳芳[1] 刘成 Yuan Yanli;Li Xinli;Zhu Li;Han Yanqing;Guo Fangfang;Liu Cheng(Physical and Chemical Testing Center of Jiangsu Province,Nanjing 210042,China)

机构地区：[1]江苏省理化测试中心,江苏南京210042

出　　处：《山东化工》2021年第23期95-96,99,共3页Shandong Chemical Industry

基　　金：江苏省生产力促进中心青年人才基金项目——磁性固相萃取技术在食品黄曲霉毒素检测中的应用(Z2020007)。

摘　　要：本文采用自制磁性氧化石墨烯作为萃取材料,结合液相色谱串联质谱对花生和玉米中黄曲霉毒素B 1进行了测定方法研究,采用内标法定量。结果表明方法检出限为0.02μg/kg,回收率为81.6%~90.1%,RSD小于5%,该方法操作简单、灵敏度高、重复性好,回收率也满足要求。能够应用于花生和玉米中黄曲霉毒素B_(1)的定量检测。In this paper,self-made magnetic graphene oxide was used as the extraction material,combined with HPLC-MS/MS to study the determination of aflatoxin B_(1) in peanuts and corn,and the internal standard method was used for quantification.The results show that the LOD of the method is 0.02μg/kg,the recovery of AFT B_(1) ranging from 81.6%~90.1%,and the RSD is less than 5%.The method is simple to operate,has high sensitivity,good repeatability,and the recovery also meets the requirements.It can be applied to the quantitative detection of aflatoxin B_(1) in peanuts and corn.

关 键 词：磁性固相萃取 黄曲霉毒素B_(1) 液质联用法 

分 类 号：O657.63[理学—分析化学]