The condition for the derivative reaction between DNFB and BDNA was studied for determination of 2 -aminobutance residue in fruit and vegetables.

• 以2,4-二硝基氟苯(DNFB)为衍生剂,与仲丁胺反应生成N-仲丁基-2,4-二硝基苯胺(BDNA),采用分光光度法检测果品蔬策中仲丁胺残留量。