2023年第6期广东化工第50卷总第488期www.gdchem.com·161·离子液体-分散液液微萃取结合高效液相色谱法快速分析茯苓中氰戊菊酯和联苯菊酯农药残留王玲玲*,王静,杜丽佳,王海波(辽宁中医药大学药学院,辽宁大连116600)[摘要]离子液体-分散液液萃取法被成功地应用于萃取和富集中药材茯苓中氰戊菊酯和联苯菊酯。1-辛基-3-甲基咪唑六氟磷酸盐([C8mim][PF6])作为萃取溶剂,1-丁基-3-甲基咪唑四氟硼酸盐([C4mim][BF4])为分散剂。整个萃取过程不需要加入任何有机溶剂,萃取过程快速,3min内就可以达到萃取平衡。茯苓中目标化合物的加样回收率在95.7%~98.3%之间,检出限为0.50和0.40ng·mL-1之间,结果令人满意,说明该实验方法适用于检测中药材中氰戊菊酯和联苯菊酯农药残留。[关键词]离子液体;分散液液微萃取;茯苓;氰戊菊酯;联苯菊酯[中图分类号]TQ[文献标识码]A[文章编号]1007-1865(2023)06-0161-03RapidDeterminationofFenvalerateandBifenthrinAbasedIonicLiquid-dispersiveLiquid-liquidMicroextractionCoupledwithHPLCinPoriaCocosWangLingling*,WangJing,DuLijia,WangHaibo(CollegeofPharmacy,LiaoningUniversityofTraditionalChineseMedicine,Dalian116600,China)Abstract:Ionicliquid(IL)dispersiveliquid–liquidmicroextraction(DLLME)methodwassuccessfullydevelopedforextractingfenvalerateandbifenthrinfromthePoriacocos.[C8mim][PF6]and[C4mim][BF4]wereselectedasextractionsolutionanddispersingagent,respectively.Theextractionproceduredidnotrequireanyorganicsolvent.Theextractionequilibriumwasattainedwithin3.0min.ThespikedrecoveriesoftargetcompoundsinPoriacocoswereintherangeof95.7%~98.3%.Thelimitsofdetectionrangedfrom0.50and0.40ng·mL-1.Asaresult,thismethodhasbeensuccessfullyappliedforthesensitivedetectionoffenvalerateandbifenthrinintraditionalChinesemedicinalmaterials.Keywords:ionicliquid;dispersiveliquid–liquidmicroextraction;poriacocos;fenvalerate;bifenthrin拟除虫菊酯类杀虫剂在全球范围内被广泛应用于农产品及人工栽培中药材的种植,生产和储存过程中,是防治各种病虫害最常用的农药种类[1]。联苯菊酯和氰戊菊酯是两种典型的拟除虫菊酯类农药。长期接触这类物质会对人类的身体健康产生不良影响,如头晕,心率异常等神经毒性,甚至还可能造成精子数量减少等生殖毒性[2-4]。目...