Table 5.
Antioxidant activities and TPC and drip loss values of the frozen lotus root samples
| Samples | Scavenging activity on DPPH radicals (%) | FRAP (mg GAE/g sample) | Total phenolic content (mg GAE/100 g sample) | Drip loss (%) |
| Control1) | 77.58±0.23a1) | 1.28±0.06a | 46.16±1.67a | - |
| Frozen at -20°C | 57.78±0.28b | 0.78±0.06b | 30.24±0.12c | 3.73±0.21a |
| -70°C | 58.14±0.40b | 0.74±0.01b | 33.04±1.63b | 2.70±0.26b |
| -196°C | 58.10±0.11b | 0.79±0.06b | 32.09±0.43bc | 2.65±0.21b |
No blanching.
Values in a column followed by different letters are significantly (p<0.05) different by Duncan’s multiple range test.