采用液相色谱-荧光检测法测定全柑橘类水果中的噻苯达唑残留量。
Determination of thiabendazole residues in whole citrus fruits by liquid chromatography with fluorescence detection.
作者信息
Arenas R V, Rahman H, Johnson N A
机构信息
Merck Research Laboratories, Division of Merck & Co., Inc., Three Bridges, NJ 08887-0450, USA.
出版信息
J AOAC Int. 1996 Mar-Apr;79(2):579-82.
An existing liquid chromatographic (LC) method for determination of thiabendazole (TBZ) residues in or on whole green bananas and potatoes was applied to whole, unwashed citrus fruits. The method is applicable for determining TBZ residues in whole oranges, grapefruits, tangerines, and lemons. TBZ is extracted from citrus homogenate with ethyl acetate, and the extract is cleaned up on a cation-exchange, solid-phase extraction column. The purified extract is analyzed by LC with a cation-exchange column and fluorescence detection. Average recovery of TBZ from whole citrus fruits fortified with TBZ at 0.05-20 ppm was 96%. The assay provides a simple, rapid, and sensitive method for monitoring TBZ residues in whole citrus fruits.
一种用于测定完整青香蕉和土豆中噻菌灵（TBZ）残留量的现有液相色谱（LC）方法被应用于完整、未清洗的柑橘类水果。该方法适用于测定橙子、葡萄柚、橘子和柠檬中TBZ的残留量。TBZ用乙酸乙酯从柑橘匀浆中提取，提取物在阳离子交换固相萃取柱上进行净化。净化后的提取物通过带有阳离子交换柱和荧光检测的LC进行分析。在0.05 - 20 ppm的TBZ强化完整柑橘类水果中，TBZ的平均回收率为96%。该分析方法为监测完整柑橘类水果中的TBZ残留提供了一种简单、快速且灵敏的方法。
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