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猪脑蛋白水解物中小分子肽的制备及生物活性测定 被引量:2

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摘要 目的从猪脑中制备不同分子量范围的小分子肽组份,测定各组份的生物活性。方法(1)猪脑经脱脂、酶解、Sephadex G-15凝胶过滤制备小分子肽。(2)采用东莨菪碱所致的小鼠记忆获得障碍模型,通过小鼠被动回避跳台实验测定组份的生物活性。结果(1)得到A1~A5五个小分子肽组份。(2)分别给药A4、A5的两组小鼠潜伏期和错误次数与模型组差异显著(P〈0.05)。结论组份A4、A5具有明显的生物活性,能显著改善记忆获得障碍小鼠的学习记忆能力。
出处 《河北医药》 CAS 2006年第3期223-224,共2页 Hebei Medical Journal
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