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建立了一种快速同时测定果蔬中噻苯咪唑(TBZ)、邻苯基苯酚(OPP)、联苯(DP)及抑霉唑(IMZ)残留量的高效液相色谱紫外/荧光分析方法。柑橘类水果及蔬菜样品经组织捣碎机打碎研磨均匀后,利用咖啡萃取机产生的甲醇或乙醇蒸汽进行萃取,分别采用紫外/荧光检测器同时测定上述四种或三种防腐保鲜剂。结果表明:紫外检测TBZ、OPPI、MZ、DP分别在(0.5~10)μg/ml,(0.6~10)μg/ml,(1~80)μg/ml,(0.8~20)μg/ml范围内具有良好的线性,最低检测限分别为0.4,0.4,0.5,0.8μg/ml;荧光检测TBZ、OPP、DP分别在(0.05~2.0)μg/ml,(0.06~2.0)μg/ml,(0.08~5.0)μg/ml范围内具有良好的线性;最低检测限分别为0.02,0.03,0.05μg/ml;采用甲醇蒸汽、乙醇蒸汽和乙醚溶剂萃取,得样品添加回收率分别为67%~84%,72%~83%,52%~108%;相对标准标准偏差分别为1.23%~3.57%,0.35%~2.35%,1.71%~6.29%。该方法快速、灵敏、准确,能满足果蔬中防腐保鲜剂多残留检测的要求。“,”A rapid reversed-phase HPLC method is developed for simultaneous determination of thiabendazole(TBZ),o-phenylphenol(OPP),dipheny(DP) and imazalil(IMZ) in citrus fruits and vegetables.The samples,blendering and pulverizing,are extracted by methanol or ethanol steam,producing by coffee machine;and subsequently assay above four or three preservatives by HPLC with ultraviolet/fluorescence detection,respectively.The study shows that TBZ、OPP、IMZ、DP have good linear response within concentration range(0.5~10)μg/ml,(0.6~10)μg/ml,(1~80)μg/ml,(0.8~20)μg/ml,lowest detection leves are 0.4,0.4,0.5,0.8μg/ml respectively,determining by ultraviolet detection;TBZ、OPP、DP,determining by ultraviolet detection,linear ranges are(0.05~2.0)μg/ml,(0.06~2.0)μg/ml,(0.08~5.0)μg/ml,lowest detection leves are 0.02,0.03,0.05g/ml.Using methanol and ethanol steam,ether solvent as extraction mediums,obtaining recoveries of spiked samples ranged from 67%~84%,72%~83%,52%~108% and relative standard deviations are from 1.23%~3.57%,0.35%~2.35%,1.71%~6.29%.The method is simple,fast and accurate,meeting the demands for simultaneously detecting preservatives multiresidues in fresh fruits and vegetables.