[Retracted] Evaluation of the Stability of the Total Antioxidant Capacity, Polyphenol Contents, and Starch Hydrolase Inhibitory Activities of Kombucha Teas Using an In Vitro Model of Digestion

Figure 2

Changes in the (a) total phenolics content, (b) ORAC, (c) DPPH EC₅₀, and (d) superoxide scavenging activities of the three Kombucha beverages. Error bars represent the SEM. versus the value at day 0. versus the value at day 7 (prior to being subjected to the digestion phases).

(a)

(b)

(c)

(d)