Fig. 3
From: Production of theophylline via aerobic fermentation of pu-erh tea using tea-derived fungi
Changes in contents of caffeine (a) and theophylline (b) in aerobic fermentation inoculated by tea-derived strains, and sterilization treatment group. Data are presented as mean value ± SD of three replications. * indicated there is significant difference (p < 0.05) between A. sydowii PET-2 fermentation group and other treatment groups according to Duncan’s test