Fig. 1. DPPH radical scavenging activity of dried CJ pericarp ferment extract. Dried CJ pericarp was fermented by AO at various concentrations (A), time (B), and temperature (C). Except for each condition, fermentation is usually carried out at 30°C and 72 hr. Fermented extract were filtered and lyophilized, and then antioxidant activity was measured. Data are expressed as the mean of triplicate independent experiments±standard deviations. Statistical analyses were performed using paired t-test. CJ, Camellia japonica L.; AO, Aspergillus oryzae; UF, unfermented extract; BHA, butylated hydroxyanisole. *p<0.05, **p<0.01.
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