College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.
State Key Laboratory of Meat Quality Control and Cultured Meat Development, Nanjing Agricultural University, Nanjing 210095, China.
Molecules. 2023 Dec 22;29(1):84. doi: 10.3390/molecules29010084.
Anabolic androgenic steroids (AASs) are usually illegally added to animal feed because they can significantly promote animal growth and increase carcasses' leanness, which threatens the safety of animal-derived foods and indirectly hazards human health. This study aimed to establish an ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method for the simultaneous detection of twelve AAS residues in livestock and poultry meat. The homogenized samples were extracted with acetonitrile containing 1% acetic acid (/) and purified using the one-step extraction column. After concentration using nitrogen, the residues were redissolved in acetonitrile and then quantified with an external standard method using UHPLC-MS/MS. The results showed that the above-mentioned method had a satisfactory linear correlation ( ≥ 0.9903) with a concentration range of 1-100 μg/L, and the limits of detection (LODs) and quantification (LOQs) were 0.03-0.33 μg/kg and 0.09-0.90 μg/kg, respectively. With the intraday and interday precision less than 15%, the average recoveries of pork, beef, lamb, and chicken, at different spiked levels, ranged from 68.3 to 93.3%, 68.0 to 99.4%, 71.6 to 109.8%, and 70.5 to 97.7%, respectively. Overall, the established method is validated, precise, and capable of the high-throughput determination of the residues of twelve AASs in livestock and poultry meat.
合成代谢雄激素类药物(AASs)通常被非法添加到动物饲料中,因为它们可以显著促进动物生长并增加胴体的瘦肉率,这威胁到动物源性食品的安全,并间接危害人类健康。本研究旨在建立一种超高效液相色谱-串联质谱法(UHPLC-MS/MS),用于同时检测畜禽肉中的十二种 AAS 残留。将均质化的样品用含 1%乙酸的乙腈(/)提取,并使用一步提取柱进行纯化。氮浓缩后,残留物用乙腈重新溶解,然后采用 UHPLC-MS/MS 外标法进行定量。结果表明,该方法具有令人满意的线性相关性(≥0.9903),浓度范围为 1-100 μg/L,检测限(LOD)和定量限(LOQ)分别为 0.03-0.33 μg/kg 和 0.09-0.90 μg/kg。日内和日间精密度小于 15%时,猪肉、牛肉、羊肉和鸡肉在不同添加水平下的平均回收率分别为 68.3-93.3%、68.0-99.4%、71.6-109.8%和 70.5-97.7%。总之,所建立的方法经过验证,具有精确性,能够高通量测定畜禽肉中十二种 AAS 残留。