Figure 1From: Lactic acid bacteria: promising supplements for enhancing the biological activities of kombucha Glucuronic acid production of kombucha fermented by the kombucha layer and supplementation with Lactobacillus spp. ( lac1 – lac5 ). Original kombucha: fermented sweetened black tea only (kombucha layer). Unfermented tea: sweetened black tea. The significant differences between samples are indicated by superscript letters (a–c) with p ≤ 0.05.Back to article page