建立了检测鸡蛋中3种姜黄素类化合物的高效液相色谱-紫外/二极管阵列检测方法。样品经搅打混匀,乙腈分散提取,正己烷除脂,通过Atlantis T3 C18色谱柱分离,以V(0.2%甲酸,体积分数)∶V(乙腈)=1∶1为流动相,流速1.0 mL/min,紫外/二极管阵列检测器检测,检测波长为425 nm,外标法定量。结果表明,3种姜黄素类化合物在0.05~100 μg/mL线性关系良好,线性相关系数均大于0.999 9,方法的加标回收率在85%~101%,精密度在0.34%~4.16%,3种姜黄素类化合物的检出限可达0.5 mg/kg,定量限可达1 mg/kg。该方法灵敏度高、重复性好、结果准确,适用于鸡蛋中3种姜黄素类化合物的分析检测。
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