Fig. 1From: Production of theophylline via aerobic fermentation of pu-erh tea using tea-derived fungiDifferences between aerobic and anaerobic fermentation in fungi count (a), caffeine (b) and theophylline (c).Data are presented as mean value ± SD of three independent tests. * indicated there is significant difference between aerobic and anaerobic fermentation (Duncan’s multiple range test: p < 0.05)Back to article page