Table 1 Citric acid substitution (%) and degree of substitution (DS) of dry-processed citrate organic rice flour
| Sample | Reacting temperature (°C) | Citric acid concentration (%) | Citric acid substitution (%) | Degree of substitution |
| 1 | – | – | – | – |
| 2 | 105 | – | – | – |
| 3 | 105 | 20 | 12.85±0.09f* | 0.1509±0.0013e |
| 4 | 105 | 30 | 16.48±0.25d | 0.2018±0.0037d |
| 5 | 105 | 40 | 21.81±1.35b | 0.2853±0.0224b |
| 6 | 150 | – | – | – |
| 7 | 150 | 20 | 14.05±0.01e | 0.1672±0.0001e |
| 8 | 150 | 30 | 18.55±0.87c | 0.2330±0.0133c |
| 9 | 150 | 40 | 24.94±1.19a | 0.3395±0.0217a |
Means with the same letter are not significantly different (p<0.05).