OBJECTIVE To study the anti-aging effect of polysaccharides from Hubei Panax Japonicus on model mice by measuring MDA levels, SOD and CAT activities in mice blood. METHODS Random groups were prepared by weight for 7 groups and were given with NaCl liquor,D-galactose, letinan and polysaccharides from PanaxJaponicus. Interrelated senile indexes were measured after successively treatment for 60 days. RESULTS Every dose group was able to improve the activities of SOD and CAT and decrease the level of MDA in the blood of all mice. The effect of anti-aging was very obvious in middle. CONCLUSION The ...