Objective To observe the effect of AF on the Chang of nitrc oxide(NO),Superoxide dismutase(SOD) and malondialdehyde(MDA) in Thymus tissues of the aged mice.

• 目的:观察黄芪黄铜(AF)对衰老过程中小鼠胸腺组织NO、SOD、MDA含量水平的影响.