Objective: To observe the effect of kiwifruit juice on the mutagenicity induced by cyclophosphamide (CP) and the antioxidative mechanism in rats. Methods: Measure the frequency of cells with micronuclei (MN) in binucleated lymphocytes and the activity of superoxide dismulases (SOD), the levels of glutathione (GSH) and malondialdehyde (MDA) in liver of rats Results: (1) Kiwifruit juice could inhibit the frequency of cytokinesisblocked cells with micronuclei induced by CP in rat peripheral blood lymphocytes....