Table 7. Antioxidant activity of traditional Korean soy sauce according to onion juice addition ratio

Component Control1) OE70 OE100
DPPH free radical scavenging activity (%) 41.17±5.462)b3) 50.26±0.55a 54.58±3.76a
ABTS radical scavenging activity (%) 75.38±3.452)c3) 85.05±0.43b 90.90±0.20a
SOD-like ability (%) 68.55±0.622)c3) 70.11±0.67b 72.82±0.99a
Control, traditional Korean soy sauce without onion juice; OE70, traditional Korean soy sauce with 70% onion juice added; OE100, traditional Korean soy sauce with only onion juice added.
All values are mean±SD (n=3).
Means followed by the different letters in same row are significantly different (p⟨;0.05, a⟩b⟩c).