The red pigments of cherries are anthocyanins. The concentration of anthocyanins in dark-fruited cultivars can reach 350-450mg/100g FW. Anthocyanins have many positive properties, for instance, antioxidation, antimutagenicity, anticarcinogenesis and anti-inflammatory activity.The extraction condition of red pigments from sweet cherries(Van) and the stability to light, heat, pH, metal ion and oxidant were studied, and the properties of free radical scavenging were also researched. The results were summarrize...