2Sreeramulu G, Zhu Y, Knol W. Kombucha fermentation and its antimicrobial activity[J]. Journal of Agricultural and Food Chemistry, 2000, 48: 2589-2594.
3Allen C M. Past research on kombucha tea. The kombucha FAQ part 6. Research and test results.(1998), http:// persweb.direct.ca/chaugen/kombucha_faq_partO6.html.
4Chu S C, Chen C. Effects of origins and fermentation time on the antioxidant activities of kombucha [J]. Food Chemistry, 2006, 98: 502-507.
5Dufresne C, Farnworth E. Tea, Kombucha, and health: a review[J]. Food Research International, 2000, 33(6): 409-421.
6Jayabalan R, Subathradevi P, Marimuthu S, et al. Changes in free-radical scavenging ability of kombucha tea dur- ing fermentation[J]. Food Chemistry, 2008, 109: 227-234.
7Blanc P J. Characterization of tea fungus metabolites[J]. Biotechnology Letters, 1996, 18(2): 139-142.