Table 1.
General composition of onion by pre-thermal treatments.
Cooking methods | Cooking loss (%) | Moisture (%) | Crude protein (%) | Crude fat (%) | Crude ash (%) |
Fresh | - | 92.94±0.02c1) | 0.69±0.01c | 0.08±0.00b | 0.29±0.00a |
Hot-water | 1 min | 4.78 | 94.22±0.02f | 0.60±0.00e | 0.08±0.01b | 0.23±0.00d |
3 min | 5.11 | 94.73±0.01g | 0.51±0.01f | 0.07±0.01b | 0.21±0.00e |
Steaming | 2 min | 4.39 | 93.03±0.04d | 0.70±0.01bc | 0.09±0.00b | 0.28±0.00b |
4 min | 4.58 | 93.30±0.03e | 0.66±0.01d | 0.08±0.01b | 0.26±0.00c |
Stir-frying | 60 s | -1.14 | 92.17±0.12b | 0.69±0.02c | 0.85±0.04a | 0.29±0.01a |
210 s | 6.08 | 92.03±0.02a | 0.72±0.02a | 0.84±0.01a | 0.29±0.01a |
Values with different superscripts in a column indicate significant difference (p<0.05) by Duncan's multiple range test.
Values with different superscripts in a column indicate significant difference (p<0.05) by Duncan's multiple range test.