Table 1.
Reaction conditions for the synthesis of granular starch citrates by dry heat and microwave-discharged cold plasma treatments
| Treatment | CA (%, s.b) | pH | T (°C) | t (min) | Gas composition (%, v/v) | E (W) | |
|---|---|---|---|---|---|---|---|
| N2 | O2 | ||||||
| Native | – | – | – | – | – | – | – |
| COV | 10 | 3.5 | 135 | 60 | – | – | – |
| LPaG1 | 10 | 3.5 | 32 | 20 | 100 | – | 900 |
| LPaG2 | 20 | 3.5 | 32 | 20 | 100 | – | 900 |
| LPbG1 | 10 | 3.5 | 32 | 20 | 80 | 20 | 900 |
| LPbG2 | 20 | 3.5 | 32 | 20 | 80 | 20 | 900 |
CA, anhydrous citric acid; T, temperature; t, time; E, electric power; COV, granular starch citrate prepared through dry heat treatment in a convection oven; LPaG1-2 and LPbG1-2, granular starch citrates prepared through microwave-discharged cold plasma treatment