Electrochemical methods as a tool for determining the antioxidant capacity of food and beverages: A review

•Antioxidant capacity is an important property in the development of functional foods.•Electrochemical techniques applied to food and beverages were examined and discussed.•Electrochemical techniques exhibit good correlation with conventional methods.•Electrochemical assays are quick, simple, and demand little sample preparation.•Electrochemical techniques can be applied using simply a potentiostat.