关键词: 库拉索芦荟(Aloe barbadensis Mill.), 中华芦荟(Aloe vera L.var. Chinesis), 超氧化物歧化酶, 过氧化氢酶, 过氧化物酶

Abstract: Using the old,middle and tender leaves,the whole leaves and the gel in the middle part of the leaves of Aloe barbadensis Mill.and Aloe vera L.var Chinesis as sample,the activity of antioxidant enzymes in different parts of the two barbados aloe varieties were compared.The results showed that there were great difference in the activity of antioxidant enzymes in different parts of Aloe barbadensis Mill.and Aloe vera L.var Chinesis.The highest activity of SOD,CAT and POD were in the gel of the old leaves,the middle leaves and the old leaves of Aloe barbadensis Mill.,respectively.The highest activity of SOD,CAT and POD were in gel of tender leaves,the old leaves,the old leaves of Aloe vera L.var Chinesis.Combined with biological production,the gel of middle leaves in Aloe barbadensis Mill and Aloe vera L.var Chinesis should be used as raw materials from the point of view of developing SOD,the the whole old leaves in Aloe barbadensis Mill.and Aloe vera L.var Chinesis should be used as raw materials from the point of view of developing CAT and POD.

Key words: Aloe barbadensis Mill., Aloe vera L. var Chinesis, SOD, CAT, POD