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. 2021 Sep 8;26(18):5474. doi: 10.3390/molecules26185474

Figure 4.

Figure 4

Figure 4

Chromatographic evolution at 280 nm including: (A) black tea; (B) kombucha after one month of fermentation; (C) kombucha tea sample at the fifth month of storage, when the epigallocatechin gallate content was not detected whereas quercetin, absent in black tea, was identifiable; (D) kombucha tea sample at the ninth month of storage.