Objective To study the anti-ageing and antioxidation of polyphends of vitis amurensis Rupr(PVAR).Methods Forty senile male Wistar rats (20 months) were divided into 4 goups according rats′ weights:senile negtive control group(A), fed with basic forage;two senile PVAR groups(B and C),fed with basic forage inchuding 200 and 400 mg·kg~ -1 ·d~ -1 PVAR;senile positive control(D), fed with basic forage inchuding 200 mg·kg~ -1 ·d~ -1 melissic powder.After fed continuously for 8 weeks,the MDA contents in RBC-membra...