samples does not have a significant impact on their antioxidant
activity.
4. Conclusion
These investigations proved that the fermented beverages can
be successfully produced by application of starter cultures composed
of isolates from native kombucha. During the fermentation,
valuable compounds are generated, which gives kombucha beverages
a strong antioxidant character. Also, the following particular
conclusions can be drawn:
the application of different kombucha starters causes a development
of different antioxidant activities on both substrates;
the highest AAOH and AADPPH on black tea was obtained using
SC1, while on green tea it was achieved using the Control. The
lowest AAOH and AADPPH, which was obtained with SC2, does
not recommend this starter for further application;
antioxidant activities correlate with the total acids and vitamin
C content.