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引用本文:何欣,张海琪,戴志远,王扬,李诗言.头孢拉定、诺氟沙星及罗红霉素在中华鳖(Pelodiscus sinensis)日本品系体内残留代谢的比较研究.海洋与湖沼,2014,45(4):848-854.
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头孢拉定、诺氟沙星及罗红霉素在中华鳖(Pelodiscus sinensis)日本品系体内残留代谢的比较研究
何欣1, 张海琪2, 戴志远1, 王扬2, 李诗言2
1.浙江工商大学食品与生物工程学院 杭州 310035;2.浙江省水产质量检测中心 杭州 310012
摘要:
应用液相色谱-串联质谱技术比较研究了头孢拉定、诺氟沙星及罗红霉素3 种渔药在中华鳖(Pelodiscus sinensis)日本品系体内的残留代谢规律。在(25.0±2)℃ 饲养条件下, 通过连续7d 对健康中华鳖日本品系投喂分别含有30mg/kg 头孢拉定, 300mg/kg 诺氟沙星或30mg/kg 罗红霉素的药饵后,比较分析了3 种渔药在中华鳖日本品系体内各组织中的浓度变化。结果表明: 头孢拉定和诺氟沙星的代谢符合一室消除模型, 罗红霉素的代谢符合二室消除模型。头孢拉定在中华鳖日本品系血液、肌肉和肝脏中消除半衰期T1/2(Ke)分别为6.132h、9.002h 和10.132h。诺氟沙星在中华鳖日本品系血液、肌肉和肝脏中消除半衰期T1/2(Ke)分别为22.526h、39.715h 和41.585h。罗红霉素在中华鳖日本品系血液、肌肉和肝脏中消除半衰期T1/2(β)分别为38.54h、15.65h 和100.5h。建议选用肝脏作为今后中华鳖质量安全残留监控靶组织。
关键词:  中华鳖日本品系  药动学  液相色谱-串联质谱  头孢拉定  诺氟沙星  罗红霉素
DOI:10.11693/hyhz20140500140
分类号:
基金项目:浙江省海洋与渔业局“中华鳖产业技术体系建设”项目,ZJKJ-2013-1号;“十二五”国家科技支撑计划课题,2012BAD29B06号。
附件
COMPARATIVE RESEARCH OF CEFRADINE, NORFLOXACIN AND ROXITHROMYCIN IN CHINESE SOFT-SHELLED TURTLES (PELODISCUS SINENSIS) JAPANESE STRAIN
HE Xin1, ZHANG Hai-Qi2, DAI Zhi-Yuan1, WANG Yang2, LI Shi-Yan2
1.College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310035, China;2.Zhejiang Fishery Technology Extension Center, Hangzhou 310012, China
Abstract:
Pharmacokinetics of cefradine, norfloxacin and roxithromycin in blood, liver and muscle from Chinese soft-shelled turtles (Pelodiscus sinensis) Japanese strain were studied by liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) after oral administration at a dosage of 30mg/kg cefradine, 300mg/kg norfloxacin, or 30mg/kg roxithromycin for 7-day consecutive feeding in (25.0±2) ℃. The results show that the metabolism of cefradine and norfloxacin followed one-compartment open model, while that of roxithromycin, in two-compartment open model. The elimination half-life [T1/2(Ke)] of cefradine in blood, liver, and muscle of the turtles were 6.132h, 9.002h, and 10.132h, those of norfloxacin for 22.526h, 39.715h, and 41.585h, and those of roxithromycin for 38.54h, 15.65h, and 100.5h, respectively. Therefore, liver could be chosen as the target organ to monitor the residues of these three drugs in the turtles.
Key words:  Pelodiscus sinensis Japanese strain  Pharmacokinetics  Liquid chromatography-tandem mass spectrometry  Cefradine  Norfloxacin  Roxithromycin
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