Contents of phenolic compounds such as chlorogenic acid,(+)catechin,(-)-epicatechin, phloridzin and quercetin in apple of 5 cultivars were determined by HPLC.

• 用高效液相色谱仪测定了不同品种苹果果实绿原酸、儿茶素、表儿茶素、根皮素和槲皮素等主要酚类物质的含量。