Research Article

Efficacy of the Kombucha Beverage Derived from Green, Black, and Pu’er Teas on Chemical Profile and Antioxidant Activity

Figure 4

Antioxidant activity assayed using the ferric ion reducing power (FRAP) method (a) and discrepancy value (b) during fermentation of kombucha prepared from green, black, and pu’er teas. Different letters indicate significant differences between the tea groups ().