鸡卵煮沸对菌痢和轮状病毒特异性IgY活性的影响

Chinese Journal of Biologicals(2010)

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Abstract
目的探讨鸡卵煮沸对特异性IgY活性的影响,为食用特异性IgY防治消化道传染病奠定基础。方法用福氏志贺痢疾菌及轮状病毒Wa株免疫母鸡,制备特异性IgY。将含特异性IgY的鸡卵煮沸不同时间,观察卵清及卵黄性状;提取煮沸4min、6min和4℃对照的鸡卵特异性IgY,采用凝集试验、乳鼠抑菌试验及ELISA,检测鸡卵特异性IgY的活性。结果含特异性IgY的鸡卵煮沸4min,卵清与卵黄容易分离,与4℃保存的鸡卵特异性IgY活性差异无统计学意义;但煮沸6min时,卵清完全凝固,特异性IgY活性明显下降。结论鸡卵煮沸4min,对特异性IgY活性无明显影响,可直接食用煮沸4min的鸡卵,用于消化道疾病的防治。
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Key words
Activity,Boiling,Chick egg,Specific IgY
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