Kombucha's the Western name for sweetened tea or tisane that's been fermented using a macroscopic solid mass of microorganisms called a "kombucha colony". Biology of kombucha The culture contains a symbiosis of Acetobacter (acetic acid bacteria) and yeast, mostly Brettanomyces bruxellensis, Candida stellata, Schizosaccharomyces pombe, Torulaspora delbrueckii and Zygosaccharomyces bailii. The culture itself looks somewhat like a large pancake, and though often called a mushroom, a Mother of vi… (More on Kombucha)