Table 2.
Antioxidative activity of sweet potato leaves at var ious drying temperatures
Cultivars | Temp. (°C) | DPPH radical scavenging activity (%) | ABTS radical scavenging activity (%) | Nitrite scavenging ability (%) |
Shinmi | 40 | 84.33±0.23b1) | 90.86±1.10b | 76.15±0.35b |
50 | 83.65±0.70b | 86.75±1.02c | 73.74±0.76c |
60 | 78.34±0.82d | 81.33±0.54d | 69.14±0.78e |
70 | 70.70±2.33e | 64.42±1.10e | 67.14±1.77e |
Hayanmi | 40 | 85.25±0.35a | 96.12±1.10a | 84.78±0.60a |
50 | 83.82±0.71b | 92.16±0.80b | 76.38±0.80b |
60 | 81.19±1.04c | 86.66±1.26c | 72.18±1.03c |
70 | 80.22±0.30c | 82.80±0.94d | 71.05±0.14d |
Means±SD (n=3) in a row followed by same letter are not significantly different by Duncan’s multiple range test (p<0.05).