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This study was aimed to investigate the contents of chemical components and the biological activity of fermented Omija (Schizandra chinensis Baillon.) beverage (FOB), which have not been well known up to now. General compositions and the contents of mineral and vitamin of FOB were lower than Omija before fermentation (OBF). In addition, most sucrose was digested into glucose and fructose in FOB. This suggests that the beneficial contents may be made from general compositions by fermentation, though more evidences are needed. Antioxidant activity of FOB was measured by using 2,2-diphenyl-l-picryl-hydrazyl (DPPH) free radical scavenging activity and superoxide dismutase-like activity (SODA). DPPH radical scavenging activity and SODA were increased in a dose-dependent manner, and were about 79.7% and 60.8% at four times diluted FOB (25% of FOB), respectively. The FOB also showed strong antibacterial activity on Escherichia coli. Beauty effect of FOB was demonstrated by the analysis of tyrosinase and elastase inhibitory activities, and they were remarkably increased in a dose-dependent manner. Tyrosinase inhibitory activity was about 82% at two times diluted FOB (50% of FOB) and elastase inhibitory activity was 78.2% at five times diluted FOB (20% of FOB). These results suggest that FOB has a strong antioxidant activity, and tyrosinase and elastase inhibitory effects.

Antioxidant and Antibacterial Activities, and Tyrosinase and Elastase Inhibitory Effect of Fermented Omija (Schizandra chinensis Baillon.) Beverage