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为探讨三才汤抗衰老机理,本实验采用D-半乳糖衰老小鼠,灌胃三才汤醇提液30d,测定衰老小鼠脑SOD、NOS、Na+,K+-ATP酶活力和NO、MDA含量.实验结果表明,与模型组相比,三才汤醇提液能提高衰老小鼠脑SOD、NOS和NA+,K+-ATP酶的活性(P<0.01和P<0.05),降低脑组织MDA含量(P<0.01),提高脑NO含量(P<0.01),提示三才汤醇提液对衰老小鼠脑有抗氧化作用,可延缓小鼠脑衰老.“,”To probe the machinism of antiaging of san cai tang, D-galactose-induced mouse aging model was used. Given alcohol extract of san cai tang for 30 days, the activities of superoxide dismutase (SOD),Na+,k+-ATPase and nitric oxide synthetic enzyme (NOS) and the levels of MDA and nitric oxide (NO) in brain were measured. The results showed that compared with model group, the extract enhanced the activities of SOD, NOS and Na+.K+-ATPase (P