刺梨(Rosa roxburghii Tratt)属蔷薇科野生灌木果树,果实中维生素C含量极其丰富,比富含维生素C著称的中华猕猴桃高10倍左右。为了充分利用刺梨这一野生资源,使之为刺梨果品加工、贮藏、引种栽培和良种选育提供一定理论依据,作者于1981～1982年,测定了不同类型的贵州野生刺梨叶片中维生素C含量及抗坏血酸氧化酶、多酚氧化酶、过氧化物酶和过氧化氢酶活性。 Rosa roxburghii Tratt belongs to Rosaceae wild shrub fruit tree, the fruit is extremely rich in vitamin C content, known than the rich vitamin C Chinese kiwifruit is about 10 times higher. In order to make full use of the wild resource of Prickly Pear and to provide a theoretical basis for the processing, storage, introduction and cultivation of prickly pear fruit and breeding of elite seeds, the authors measured the contents of vitamins C content and ascorbate oxidase, polyphenol oxidase, peroxidase and catalase activity.