Table 3 Differential scanning calorimetry (DSC) characteristics of untreated potato starch (UPS), chemically treated starch nanoparticle (CTSN), and mechanically treated starch nanoparticle (MTSN)
Sweet potato starches | Endothermic peak (1) | Endothermic peak (2) | Exothermic peak | ||
|---|---|---|---|---|---|
To (°C) | Tp (°C) | To (°C) | Tp (°C) | Tp (°C) | |
UPS | 40.40 | 76.21 | 263.92 | 309.80 | 336.44 |
CTSN-3 days | 42.23 | 79.29 | 227.28 | 306.49 | 330.68 |
CTSN-6 days | 39.77 | 74.16 | 230.58 | 308.97 | 329.85 |
MTSN-3 days | 43.89 | 85.68 | 238.91 | 305.68 | 324.80 |
MTSN-6 days | 43.06 | 85.01 | 228.94 | 262.28 | 322.33 |