8种有机蔬菜和普通蔬菜抗氧化活性的比较

Comparison of antioxidant activities in 8 organic and conventional vegetables

采用DPPH法、FRAP法和β-胡萝卜素-亚油酸乳化液法比较了8种有机蔬菜和普通蔬菜的抗氧化活性。结果表明,有机茄子、辣椒和菠菜的DPPH.自由基清除率和AAC值比普通茄子、辣椒和菠菜高。除芹菜外,其他7种有机蔬菜FRAP值均高于普通蔬菜。有机蔬菜和普通蔬菜的抗氧化能力有一定差异,且与测定方法有关。

The antioxidant activities of 8 organic and conventional vegetables were evaluated by DPPH assay,FRAP method,and β-carotene/linoleic acid emulsion assay.The results showed that the scavenging rates of DPPH free radicals and AAC values of organic eggplant,hot pepper and spinach were higher than that of conventional eggplant,hot pepper and spinach.Except celery,the FPAP values of the other 7 organic vegetables were higher than conventional vegetables.Results showed that there were differences in antioxidant activities between organic and conventional vegetables,which were also affected by test method.