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海参和海参苗种中硝基呋喃类代谢物残留的液质联用检测法

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Indexed by:期刊论文

Date of Publication:2012-12-31

Journal:口岸卫生控制

Volume:17

Issue:6

Page Number:24-28

ISSN No.:1008-5777

Key Words:硝基呋喃类代谢物;液质联用仪;海参;海参苗种

Abstract:优化了液相色谱-串联质谱法测定海参和海参苗种中硝基呋喃类代谢物残留量的检测方法.样品经酸解、衍生和乙酸乙酯萃取、浓缩后,以1 mL 20%的甲醇-水溶液定容,采用液相色谱-三重四级杆串联质谱仪、多反应监测扫描模式(MRM)检测和同位素内标法定量.4种硝基呋喃类代谢物检测的线性范围为0.5 ~ 10.0ng/mL,定量限为0.5 μg/kg.在加标量为2.5 μg/kg时,样品加标回收率范围为90.8% ~99.0%,相对标准偏差(RSD)小于10%,满足硝基呋喃类药物的检测要求.

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