采用高通量微生物法和HPLC法检测猪肉中四环素和磺胺类抗生素残留

Food and Fermentation Industries(2011)

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Abstract
建立了一种采用高通量微生物法进行筛检,再用反相高效液相色谱法同时测定猪肉中土霉素、四环素、金霉素、磺胺甲基嘧啶、磺胺二甲嘧啶和磺胺间甲氧嘧啶的分析方法。样品取汁在96孔微板上采用嗜热脂肪芽孢杆菌(Bacillus sterothermophilus)进行筛检,同时采用Mcllvaine-EDTA溶液提取,选择270 nm和360 nm为检测波长进行检测。结果表明:所建立的微生法的检出限为0.02~0.05μg/mL,HPLC法的检出限为0.03~0.06 mg/kg,添加回收率80.25%~118.60%。
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Key words
tetracyclines,HPLC,throughout microbial assay,sulfonamides
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