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牛初乳中乳铁蛋白的分离纯化及其抗菌活性研究 被引量:3

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摘要 本试验以饱和(NH4)2SO4盐析法从江西南昌市某牛场母牛初乳中分离到乳铁蛋白(lactoferrin,LF),经Sephadex G-100葡聚糖凝胶过柱纯化,并利用聚乙二醇(PEG6000)浓缩获得了牛初乳乳铁蛋白。同时用猪常见细菌病病原猪大肠杆菌(E.coli.)、猪传染性接触性胸膜肺炎放线菌(APP)以液体培养方法进行了抑菌试验,结果表明,分离纯化的LF对E.coli.和APP有明显的抑制作用,其抑菌率分别为:33.68%和13.41%。
出处 《江西畜牧兽医杂志》 2011年第1期8-10,共3页
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