ANTIOXIDANT ACTIVITY OF VEGETABLES COMMONLY CONSUMED IN YANGZHOU

To compare the antioxidant activities of commonly consumed vegetables in Yangzhou.The analysis of total antioxidant capacity,DPPH· radical-scavenging activity and hydroxyl radical-scavenging activity were used to measure the antioxidant activity of 12 vegetables.the antioxidative actions differed greatly among varieties of vegetables.The relevance(R2=0.845 3) between total phenolic content and antioxidant capacity is superior to the relevance(R2=0.827 4) of total flavonoids content and total antioxidant capacity.In the capacity of the three indicators,The DPPH· radical-scavenging activity and the hydroxyl radical-scavenging activity is better correlation(R2=0.785 3).Three indicators antioxidant capacities among the relevance are relatively weak,that may be due to their reaction mechanism for different reasons.there are big difference between antioxidant activities between vegetables,which is also affected by antioxidant activity test method.