Determination of 36 Veterinary Drug Residues in Cooked Meat by Ultra Performance Liquid Chromatography-tandem Mass Spectrometry
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摘要: 建立了卤肉中金刚烷胺、磺胺类、喹诺酮类及氯霉素类等36种兽药残留的检测方法。卤肉样品通过乙腈-水溶液(V:V=8:2)提取,PRiME HLB固相萃取柱净化,配有电喷雾离子源(ESI±)的超高效液相色谱-串联质谱(UPLC-MS/MS),在正负离子多反应监测(MRM)模式下同时测定,基质匹配标准曲线定量。结果表明,所研究的36种兽药在0.5~20.0 ng/mL浓度范围内均呈良好线性关系(R2>0.999)。本方法中36种药物的检出限均为0.10 μg/kg,定量限均为0.33 μg/kg,在高中低3个不同浓度(0.5,1.0和5.0 μg/kg)36种兽药的添加回收率为70.8%~106.9%,相对标准偏差(RSD, n=6)0.2%~6.2%。该研究建立的方法操作简单、准确性高、回收率和重现性好,可同时对卤肉中的36种兽药残留进行测定。
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关键词:
- 超高效液相色谱-串联质谱法 /
- 卤肉 /
- PRiME HLB固相萃取 /
- 兽药残留
Abstract: A method was developed for the determination of amantadine sulfonamides, quinolones and chloramphenicols in cooked meat. The samples were extracted with acetonitrile-water mixtures (V:V=8:2), purified with PRiME HLB solid phase extraction column. 36 veterinary drugs were determined by ultra performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) with an electrospray ion source (ESI±) in positive and negative ion switching scanning mode. The results showed that the 36 veterinary drugs showed a good linear relationship in the concentration range of 0.5~20.0 ng/mL (R2>0.999). The limits of detection were 0.10 μg/kg and the limits of quantitation were 0.33 μg/kg. The average recovery was 70.8%~106.9% in the range of high, medium and low concentrations (0.5, 1.0 and 5.0 μg/kg). The relative standard deviations (RSD, n=6) was 0.2%~6.2%. The method is simple, sensitive and accurate, and could be used for the determination of 36 veterinary drug residues in cooked meat. -
表 1 多反应监测离子对及质谱参数
Table 1. Multi reaction monitoring ion pair and mass spectrometry parameters
化合物 母离子(m/z) 子离子(m/z) 锥孔电压(V) 碰撞能(eV) 保留时间(min) 金刚烷胺(JGWA)
(Amantadine)152.2 135.2* 40 15 4.24 93.1 24 磺胺吡啶(HABD)
(Sulfapyridine)250.0 156.0* 40 15 3.16 184.0 17 磺胺嘧啶(HAMD)
(Sulfadiazine)251.0 156.0* 40 15 2.80 108.0 23 磺胺甲恶唑(HAJEZ)
(Sulfamethoxazole)254.0 156.0* 40 15 4.15 108.0 22 磺胺噻唑(HASZ)
(Sulfathiazole)256.0 156.0* 40 13 3.01 108.0 20 磺胺甲基嘧啶(HAJJMD)
(Sulfamerazine)265.0 156.0* 40 15 3.32 172.0 16 磺胺二甲异恶唑(HAEJYEZ)
(Sulfisoxazole)268.0 156.0* 40 15 4.36 108.0 16 磺胺甲噻二唑(HAJSEZ)
(Sulfamethizole)271.0 156.0* 40 15 3.70 108.0 20 磺胺二甲基嘧啶(HAEJJMD)
(Sulfamethazine)279.0 186.0* 40 15 2.82 156.0 16 磺胺二甲基异嘧啶(HAEJJYMD)
(Sulfisomidine)279.0 186.0* 40 16 3.77 156.0 16 磺胺对甲氧嘧啶(HADJYMD)
(Sulfameter)281.0 156.0* 40 16 3.64 215.0 12 磺胺间甲氧嘧啶(HAJJYMD)
(Sulfamonomethoxine)281.0 156.0* 40 16 4.22 215.0 12 磺胺甲氧哒嗪(HAJYDQ)
(Sulfamethoxypyridazine)281.0 156.0* 40 16 3.87 215.0 12 磺胺喹恶琳(HAKEL)
(Sulfaquinoxaline)301.0 156.0* 40 17 5.23 108.0 25 磺胺氯哒嗪(HALDQ)
(Sulfachloropyridazine)285.0 156.0* 40 15 4.08 108.0 25 磺胺邻二甲氧嘧(HALEJYMD)
(Sulfadoxine)311.0 156.0* 40 15 4.36 108.0 30 磺胺间二甲氧嘧啶(HAJEJYMD)
(Sulfadimethoxine)311.0 156.0* 40 19 5.05 108.0 29 萘啶酸(NDS)
(Nalidixic acid)233.1 215.0* 40 19 5.96 187.1 25 氟甲喹(FJK)
(Flumequine)262.1 244.0* 40 18 5.19 202.0 33 恶喹酸(EKS)
(Oxolinic Acid)262.1 244.0* 40 17 6.17 216.0 28 诺氟沙星(NFSX)
(Norfloxacin)320.2 276.2* 40 16 3.74 233.2 25 依诺沙星(YNSX)
(Enoxacin)321.1 303.0* 40 33 3.65 232.0 22 环丙沙星(HBSX)
(Ciprofloxacin)322.1 314.2* 40 22 3.83 288.2 17 培氟沙星(PFSX)
(Pefloxacin)334.0 290.1* 40 16 3.64 233.1 25 洛美沙星(LMSX)
(Lomefloxacin)352.1 308.2* 40 16 3.99 265.1 20 达氟沙星(DFSX)
(Danofloxacin)358.2 314.2* 40 18 3.89 96.0 25 恩诺沙星(ENSX)
(Enrofloxacin)360.3 316.2* 40 17 3.87 342.2 20 氧氟沙星(YFSX)
(Ofloxacin)362.2 318.2* 40 18 3.63 261.1 27 麻保沙星(MBSX)
(Marbofloxacin)363.1 320.1* 40 15 3.43 345.0 20 沙拉沙星(SLSX)
(Sarafloxacin)395.6 342.1* 40 19 4.18 299.1 27 司帕沙星(SPSX)
(Sparfloxacin)393.1 349.1* 40 20 4.50 329.1 23 奥比沙星(OBSX)
(Orbifloxacin)396.1 352.1* 40 17 4.04 295.0 24 二氟沙星(EFSX)
(Difloxacin)400.1 356.1* 40 20 4.06 382.0 23 氯霉素(LMS)
(Chloramphenicol)320.9 152.0* −40 −46 5.10 257.0 −12 甲砜霉素(JFMS)
(Thiamphenicol)354.0 185.1* −40 −21 3.59 290.0 −13 氟苯尼考(FBNK)
(Florfenicol)356.2 336.1* −40 −10 4.26 185.1 −18 注:*表示定量离子,谱图中各组分用汉语缩写表示。 表 2 不同提取溶液对卤肉中36种药物的提取效果
Table 2. Extraction effects of different extraction solutions on 36 drugs in cooked meat
化合物名称 甲醇
回收率(%)乙腈
回收率(%)甲醇-水
回收率(%)乙腈-水
回收率(%)金刚烷胺 60.0~72.2 62.2~75.4 70.5~88.3 83.5~102.2 磺胺类 48.6~62.4 50.5~60.9 67.2~78.5 77.5~91.6 喹诺酮类 23.5~70.9 35.8~66.6 72.6~86.8 73.5~98.1 氯霉素类 35.2~50.5 40.1~65.7 56.8~73.5 71.5~89.8 表 3 36种兽药的添加范围、线性方程、决定系数、检出限和定量限
Table 3. Linear ranges, regression equations, determination coefficient, LOD, LOQ of 36 veterinary drugs
化合物 浓度范围(ng/mL) 回归方程 决定系数R2 检出限
LOD
(μg/kg)定量限
LOQ
(μg/kg)金刚烷胺 0.50~20.00 y=1.35×104x+3.54×103 0.9996 0.10 0.33 磺胺吡啶 0.50~20.00 y=6.79×104x−1.32×103 0.9993 0.10 0.33 磺胺嘧啶 0.50~20.00 y=5.82×104x+4.60×103 0.9997 0.10 0.33 磺胺甲恶唑 0.50~20.00 y=5.25×104x−1.12×103 0.9994 0.10 0.33 磺胺噻唑 0.50~20.00 y=6.45×104x−7.40×102 0.9993 0.10 0.33 磺胺甲基嘧啶 0.50~20.00 y=5.28×104x+7.41×103 0.9991 0.10 0.33 磺胺二甲异恶唑 0.50~20.00 y=3.61×104x+5.40×103 0.9991 0.10 0.33 磺胺甲噻二唑 0.50~20.00 y=3.86×104x+2.58×103 0.9991 0.10 0.33 磺胺二甲基嘧啶 0.50~20.00 y=6.24×104x+3.71×103 0.9996 0.10 0.33 磺胺二甲基异嘧啶 0.50~20.00 y=8.90×104x+9.78×102 0.9992 0.10 0.33 磺胺间甲氧嘧啶 0.50~20.00 y=2.80×104x−2.54×103 0.9995 0.10 0.33 磺胺对甲氧嘧啶 0.50~20.00 y=3.84×104x+8.08×103 0.9993 0.10 0.33 磺胺甲氧哒嗪 0.50~20.00 y=6.34×104x+3.42×103 0.9992 0.10 0.33 磺胺氯哒嗪 0.50~20.00 y=3.34×104x+1.01×104 0.9996 0.10 0.33 磺胺喹噁啉 0.50~20.00 y=3.73×104x+2.62×103 0.9992 0.10 0.33 磺胺邻二甲氧嘧啶 0.50~20.00 y=1.47×105x+5.10×103 0.9993 0.10 0.33 磺胺间二甲氧嘧啶 0.50~20.00 y=9.90×104x+5.40×104 0.9993 0.10 0.33 萘啶酸 0.50~20.00 y=3.51×105x+1.92×104 0.9992 0.10 0.33 氟甲喹 0.50~20.00 y=3.39×105x+5.57×104 0.9994 0.10 0.33 恶喹酸 0.50~20.00 y=3.32×105x+4.38×104 0.9997 0.10 0.33 诺氟沙星 0.50~20.00 y=3.44×104x+3.97×103 0.9992 0.10 0.33 依诺沙星 0.50~20.00 y=1.58×105x+7.23×103 0.9997 0.10 0.33 环丙沙星 0.50~20.00 y=1.28×105x+5.40×104 0.9993 0.10 0.33 培氟沙星 0.50~20.00 y=6.67×104x+1.12×104 0.9990 0.10 0.33 洛美沙星 0.50~20.00 y=9.38×104x−1.15×103 0.9992 0.10 0.33 达氟沙星 0.50~20.00 y=1.76×104x−2.59×102 0.9995 0.10 0.33 恩诺沙星 0.50~20.00 y=7.61×104x+2.11×105 0.9996 0.10 0.33 氧氟沙星 0.50~20.00 y=1.94×105x+5.72×105 0.9991 0.10 0.33 麻保沙星 0.50~20.00 y=3.97×104x+1.69×103 0.9996 0.10 0.33 沙拉沙星 0.50~20.00 y=4.32×104x+5.97×102 0.9997 0.10 0.33 司帕沙星 0.50~20.00 y=9.03×104x+7.42×103 0.9994 0.10 0.33 奥比沙星 0.50~20.00 y=1.05×105x+8.59×103 0.9992 0.10 0.33 二氟沙星 0.50~20.00 y=1.02×105x+5.22×103 0.9992 0.10 0.33 氯霉素 0.50~20.00 y=6.59×104x−1.59×102 0.9993 0.10 0.33 甲砜霉素 0.50~20.00 y=5.54×104x+4.82×103 0.9996 0.10 0.33 氟苯尼考 0.50~20.00 y=1.09×104x+3.25×102 0.9995 0.10 0.33 表 4 卤肉中36种兽药的加标回收率及精密度(n=6)
Table 4. Recovery and precision of 36 veterinary drugs in cooked meat (n=6)
化合物名称 0.5 μg/kg 1.0 μg/kg 5.0 μg/kg 回收率
(%)RSD
(%)回收率
(%)RSD
(%)回收率
(%)RSD
(%)金刚烷胺 89.3~95.5 0.7~2.4 86.2~97.3 0.2~4.2 85.8~106.9 0.2~2.2 磺胺类 76.2~89.8 1.3~4.0 72.5~90.6 0.9~3.8 75.5~94.3 1.3~4.5 喹诺酮类 82.0~93.1 0.8~5.0 85.5~92.9 0.3~2.9 81.2~97.7 0.3~3.5 氯霉素类 70.8~81.2 1.2~6.2 74.4~83.3 0.9~4.6 72.2~86.9 1.0~5.3 -
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