Until now there have been few reports about the influence
of microbial activity on the component changes during
kombucha fermentation. It has been shown that the
composition of different kombucha preparations is greatly
affected by the individual tea fungus culture used. This
probably results from the variability of the normal microflora
present in different tea fungus samples (Blanc, 1996;
Chen & Liu, 2000; Reiss, 1994).