Table 3. Sensory scores of lotus root snacks heated with different methods and conditions
Treatment1) | Temperature/power | Time | Color | Hardness | Bitterness | Appearance | Crispness | Taste | Overall acceptability |
OV | 180 | 7 min | 2.67±1.842)b3) | 3.67±2.35b | 1.87±1.25c | 4.20±1.90b | 1.33±0.49c | 3.33±1.50c | 2.27±1.33d |
8 min | 3.87±1.46b | 4.07±1.94b | 2.20±1.52c | 5.27±2.28b | 2.73±1.28b | 3.73±1.53bc | 3.53±1.88cd |
9 min | 5.87±1.96a | 4.60±1.76ab | 2.47±1.25c | 7.73±1.44a | 7.20±1.32a | 6.73±1.79a | 8.13±0.99a |
190 | 7 min | 3.47±1.64b | 4.53±2.90ab | 2.20±1.57c | 5.07±1.87b | 1.87±0.92b | 3.40±1.55c | 3.80±1.97c |
8 min | 6.00±1.31a | 5.20±1.97ab | 3.73±1.79b | 4.13±1.77b | 6.80±1.82a | 4.87±2.26b | 6.27±2.02b |
9 min | 6.87±2.85a | 6.13±2.07a | 6.33±1.95a | 2.40±1.18c | 6.47±2.29a | 3.47±1.51c | 4.00±2.51c |
MW | 850 | 2 min | 1.67±0.98e | 2.27±1.62c | 2.53±2.00b | 2.80±1.66c | 1.33±0.62d | 2.67±1.40b | 2.13±1.19c |
4 min | 2.93±0.96d | 3.67±1.99b | 2.87±2.45b | 3.60±1.45c | 2.47±0.83c | 3.80±1.15b | 3.20±1.21bc |
6 min | 4.40±1.30c | 5.80±1.21a | 3.00±1.89b | 5.13±1.36b | 6.73±1.49b | 6.20±1.61a | 6.67±1.50a |
8 min | 5.00±1.20c | 5.67±1.76a | 2.93±1.58b | 7.00±1.51a | 7.60±0.91a | 6.67±1.68a | 7.27±1.03a |
10 min | 6.07±1.16b | 6.20±1.86a | 3.80±2.24b | 6.13±1.51ab | 7.60±1.24a | 6.40±1.55a | 6.40±1.72a |
12 min | 8.13±0.74a | 6.93±2.09a | 6.13±2.29a | 3.80±1.90c | 8.07±1.22a | 3.67±2.09b | 3.33±2.29b |
AF | 120 | 6 min | 2.13±1.55c | 3.00±2.36c | 3.60±2.32b | 4.07±1.91b | 1.27±0.46e | 2.33±0.98d | 2.07±0.70c |
8 min | 3.00±1.25c | 3.87±1.68bc | 2.47±1.19b | 3.53±1.60b | 3.47±1.77d | 4.13±1.55abc | 4.27±1.71ab |
10 min | 4.60±1.24b | 4.33±1.68bc | 3.33±1.95b | 5.87±2.07a | 4.40±1.50c | 4.53±1.30abc | 5.33±1.88a |
140 | 6 min | 4.87±0.92b | 4.40±1.88bc | 3.60±2.26b | 6.07±1.03a | 3.27±1.39d | 3.53±1.25bc | 3.73±1.03b |
8 min | 6.67±1.11a | 5.27±1.10ab | 3.67±2.19b | 6.53±1.41a | 5.73±1.03b | 4.80±1.57abc | 5.27±1.62a |
10 min | 6.93±2.71a | 6.07±2.28a | 5.73±2.15a | 2.93±1.16b | 7.73±0.88a | 3.13±1.55cd | 3.40±2.38b |
FR | 170 | 60 sec | 2.40±1.35c | 3.13±2.17b | 2.73±2.19b | 3.80±2.04c | 1.93±1.10c | 4.07±1.28b | 2.87±1.30b |
70 sec | 5.07±1.79b | 5.27±2.12a | 2.47±1.68b | 6.40±1.18a | 6.67±1.40a | 6.27±1.44a | 6.60±1.40a |
80 sec | 5.53±2.00ab | 5.67±1.80a | 2.73±1.71b | 4.87±2.13bc | 7.47±0.92a | 6.40±1.72a | 6.33±2.13a |
180 | 60 sec | 4.60±1.35b | 5.27±1.53a | 2.60±1.68b | 5.60±1.40ab | 5.47±1.64b | 5.93±1.28a | 5.47±1.60a |
70 sec | 6.00±1.51ab | 5.87±2.00a | 2.67±1.63b | 6.80±1.26a | 7.40±0.91a | 6.40±1.06a | 6.80±1.82a |
80 sec | 6.73±2.74a | 5.40±2.59a | 5.67±1.63a | 3.80±1.78c | 7.33±1.35a | 4.53±1.68b | 4.07±2.05b |
OV, oven heating; MW, microwave heating; AF, air fryer heating; FR, oil frying heating.
Values are Mean±SD (n=3).
Means with different letters in the same column are significantly different by Duncan’s multiple range test (p<0.05).