Table 4. Thermal analysis of microencapsulated C-phycocyanin (C-PC) powders produced using different wall materials.
| Wall material | DSC | TGA | ||||
|---|---|---|---|---|---|---|
| m(maltodextrin/m(gum Arabic) | t0/°C | tg/°C | tf/°C | ∆H/(J/g) | Mass loss/% | |
| 100:0 | 169.86 | 173.00 | 178.27 | -132.76 | 81.77 | |
| 75:25 | 153.71 | 158.25 | 173.26 | -220.90 | 76.13 | |
| 50:50 | 162.28 | 164.42 | 173.19 | -188.34 | 84.92 | |
| 25:75 | 169.69 | 171.42 | 178.89 | -142.39 | 81.20 | |
| 0:100 | 169.42 | 171.00 | 176.75 | -142.51 | 77.94 | |
| Free C-PC | 149.70 | 152.34 | 170.96 | -170.73 | 73.20 | |
DSC=differential scanning calorimetry, TGA=thermogravimetric analysis, t0, tg and tf=initial, glass transition and final temperature respectively, ΔH=normalized value