Table 1.
Total tanin, flavonoid, and phenolic contents of sweet potato leaves at various drying temperatures
Cultivars | Temp. (°C) | Total tanin (mg/g) | Flavonoids (mg/g) | Total phenolics (mg GAE/g) |
Shinmi | 40 | 10.87±0.10b1) | 55.18±0.40a | 69.98±1.37b |
50 | 9.62±0.26d | 42.01±1.12c | 51.53±1.09c |
60 | 7.89±0.36fg | 30.67±0.06e | 31.19±1.12f |
70 | 7.28±0.14g | 25.21±0.30f | 27.93±1.17g |
Hayanmi | 40 | 12.37±0.57a | 55.37±1.10a | 85.10±0.72a |
50 | 10.17±0.17c | 46.67±1.30b | 71,72±0.85b |
60 | 9.00±0.30de | 40.73±0.44cd | 41.93±0.75d |
70 | 8.26±0.45ef | 39.63±0.87d | 38.75±1.40e |
Means±SD (n=3) in a row followed by same letter are not significantly different by Duncan’s multiple range test (p<0.05).