Introduction . Kombucha is fermented by a symbiotic community of bacteria and yeasts1 , 2 , 3 , 4 , 5. The symbiotic culture of bacteria and yeasts produces a cellulose-based hydro-gel, also known as bacterial cellulose, biofilm, commensal biomass, tea-fungus, scoby and zooglea. A tea fermented by the symbiotic community allegedly exhibits a range of health beneficial properties2 , 6 , 7, however these will not be discussed in the present work. Kombucha mats a...