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).