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Reaction efficiency of acetylated, propionylated, and butyrylated rice and quinoa starch based on stoichiometry.
| Volume Anhydride (mL) | Reaction Efficiency (%) | |
|---|---|---|
| Rice Starch | Quinoa Starch | |
| Native | not defined | not defined |
| Ac-A 1.60 | 82.1 | 75.5 |
| Prop-A 2.19 | 69.5 | 67.7 |
| But-A 2.84 | 72.5 | 68.1 |
| Ac-A 3.20 | 80.8 | 74.9 |
| Prop-A 4.37 | 66.7 | 72.6 |
| But-A 5.67 | 73.8 | 67.3 |
| Ac-A 4.80 | 79.4 | 74.6 |
| Prop-A 6.56 | 73.3 | 72.4 |
| But-A 8.51 | 74.6 | 67.0 |
| Ac-A 6.40 | 77.6 | 76.0 |
| Prop-A 8.75 | 72.4 | 69.4 |
| But-A 11.34 | 70.4 | 66.0 |
