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大豆磷脂对老龄大鼠学习记忆及抗氧化能力的影响

Journal of Zhejiang Normal University(Natural Sciences)(2010)

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Abstract
为了探讨大豆磷脂对老龄大鼠学习记忆及抗氧化能力的影响,将30只SD老龄大鼠按体质量随机分成3组,实验组按每天0.5,1.0 g/kg的剂量灌胃给予大豆磷脂,对照组用生理盐水灌胃.灌胃第30天测其学习、记忆能力;第45天将老龄大鼠处死,取心、肝、脾、肾、海马、骨骼肌、睾丸等组织分别测定丙二醛(MDA)含量、超氧化物歧化酶(SOD)和过氧化氢酶(CAT)的活性.结果表明:与对照组比较,实验组老龄大鼠在新异环境中较安逸,学习与记忆能力显著增强(P<0.05);各组织内MDA含量均明显减少,SOD活性明显增强,CAT活性也有明显的提高(P<0.05).结果提示大豆磷脂有增强记忆和延缓衰老的作用.
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Key words
learning memory,soybean phospholipids,rats,antioxygen
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