Betulin and Betulinic acid treatment could decrease serum AST, ALT activities and hepatic MDA level significantly, and critically increased hepatic GSH and CAT levels.

预防给予不同剂量的白桦酯醇或白桦酯酸可明显降低小鼠血清中alt、AST和肝脏中MDA活性，提高GSH和CAT水平。

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Betulin and Betulinic acid treatment could decrease serum AST, ALT activities and hepatic MDA level significantly, and critically increased hepatic GSH and CAT levels.

预防给予不同剂量的白桦酯醇或白桦酯酸可明显降低小鼠血清中alt、AST和肝脏中MDA活性，提高GSH和CAT水平。

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