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头孢喹肟注射液在猪组织中的残留消除研究 被引量:5

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摘要 建立了猪组织中头孢喹肟的固相萃取-高效液相色谱(SPE—HPLC)测定方法,并研究了头孢喹肟在猪组织中的残留消除规律。组织样品用磷酸盐缓冲液和乙腈提取、离心、蒸发,然后用预先活化的C18固相萃取小柱净化。用磷酸盐缓冲液淋洗、乙腈溶液洗脱固相萃取柱。收集洗脱液,氮气吹干后重新溶解,终溶液用高效液相色谱法分析。测定方法的LOD(检测限)和LOQ(定量限)分别为5~30ng/g和20~100ng/g。在0.02~2.0μg/g添加范围内,平均回收率55.7%~79.4%,变异系数低于6.7%。健康猪按2mg/kg剂量肌肉注射2.5%头孢喹肟注射液,每日1次,连续5d,最后一次给药后0.5、1、2、3、5、7、9d分别宰杀5头猪,采集肌肉、脂肪、肝脏和肾脏,测定组织中头孢喹肟残留量。头孢喹肟主要残留于猪的肾脏和肝脏,脂肪和肌肉中残留较少,提示肾脏和肝脏为头孢喹肟在猪体内残留的靶组织。停药3d后,所有组织中药物残留量均低于EMEA规定最高残留限量(MRL)。研究结果表明,国产硫酸头孢喹肟在猪组织中消除迅速。建议休药期为3d。
出处 《江苏农业科学》 CSCD 北大核心 2008年第6期193-195,共3页 Jiangsu Agricultural Sciences
基金 江苏省科技型中小企业技术创新基金(编号:BC2007154) 江苏省农业三项工程项目(编号:SX2007059)
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同被引文献46

  • 1王敬,程文超,向邦全,吴有华,廖勤丰,范祖阔.硫酸头孢喹肟对仔猪黄白痢临床疗效试验[J].湖北畜牧兽医,2012,33(6):7-8. 被引量:8
  • 2王付民,陈杖榴.头孢喹诺的研究进展[J].动物医学进展,2004,25(4):50-53. 被引量:44
  • 3杜向党,李新生,吴宁鹏,张素梅.头孢喹诺的最新研究进展[J].中国畜牧兽医,2006,33(9). 被引量:24
  • 4唐日益,吴高峰,李成镛,马永波,刘明春.动物专用头孢喹诺的研究进展[J].畜牧兽医杂志,2007,26(3):35-37. 被引量:9
  • 5GB/T22989-2008《牛奶和奶粉中头孢匹林、头孢氨苄、头孢洛宁、头孢喹肟残留量的测定液相色谱-串联质谱法》.
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  • 9Li X B, Wu W X, Su D, et ol. Pharmacokinetics and bioavail- ability of cefquinome in healthy piglets[J]. Journal of veterinary pharmacology and therapeutics, 2008, 31(6): 523-527.
  • 10Zhang B X, Lu X X, Gu X Y, et ol. Pharmacokinetics and ex vivo pharmacodynamies of cefquinome in porcine serum and tissue cage fluids[J]. The Veterinary Journal, 2014, 199(3): 399-405.

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