Table 4.
DSC thermal analysis (n = 3, mean ± standard deviation).
| Parameter | Raw Ang (1—7) | SD Ang (1—7) | Raw PNA5 | SD PNA5 | Raw Trehalose |
SD Trehalose |
co-SD Ang (1—7):Trehalose (25:75) | co-SD PNA5:Trehalose (25:75) |
|---|---|---|---|---|---|---|---|---|
| Tg onset (°C) | 165.67 ± 4.43 | 170.16 ± 2.54 | 162.3 ± 3.47 | 168.37 ± 1.96 | - | 37.53 ± 1.43 | 143.12 ± 2.21 | 155.19 ± 2.60 |
| Tg mid (°C) | 169.13 ± 6.54 | 175.10 ± 2.90 | 167.45 ± 3.66 | 172.78 ± 1.33 | - | 41.45 ± 0.70 | 143.21 ± 2.13 | 155.26 ± 2.61 |
| Tg End (°C) | 173.99 ± 0.09 | 180.1 ± 2.28 | 170.05 ± 3.85 | 174.45 ± 2.41 | - | 45.68 ± 1.63 | 143.28 ± 1.96 | 155.32 ± 2.54 |
| ∆Cp (J/g.) | 1.80 ± 0.40 | 1.57 ± 0.04 | 1.19 ± 0.10 | 1.47 ± 0.00 | - | 0.59 ± 0.05 | 0.70 ± 0.12 | 1.26 ± 0.10 |
| Endotherm1 onset (°C) | 217.54 ± 11.06 | 219.81 ± 3.92 | 231.98 ± 7.43 | 220.52 ± 4.61 | 94.70 ± 0.08 | 145.81 ± 2.92 | 178.41 ± 2.35 | 169.42 ± 1.42 |
| Endotherm1 peak (°C) | 218.45 ± 10.84 | 221.29 ± 3.93 | 232.45 ± 7.21 | 220.70 ± 4.47 | 95.85 ± 0.12 | 146.3 ± 2.57 | 185.82 ± 1.65 | 179.53 ± 0.86 |
| ∆H1(Enthalpy) J/g | 45.96 ± 5.34 | 41.05 ± 2.67 | 81.37 ± 20.28 | 52.54 ± 4.96 | 91.92 ± 7.79 | 3.39 ± 0.68 | 27.08 ± 1.96 | 8.88 ± 0.66 |
| Endotherm2 onset (°C) | - | - | - | 141.32 ± 1.20 | 182.90 ± 4.60 | 209.65 ± 8.03 | 204.26 ± 7.15 | |
| Endotherm2 peak (°C) | - | - | - | 141.01 ± 1.14 | 189.76 ± 3.88 | 213.28 ± 7.12 | 207.65 ± 8.25 | |
| ∆H2 (Enthalpy) J/g | - | - | - | 106.90 ± 6.15 | 20.66 ± 2.30 | 34.02 ± 9.16 | 58.76 ± 28.99 | |
| Endotherm3 onset (°C) | - | - | - | 196.54 ± 1.10 | - | - | - | |
| Endotherm3 peak (°C) | - | - | - | 204.24 ± 1.10 | - | - | - | |
| ∆H3 (Enthalpy) J/g | - | - | - | 118.33 ± 4.17 | - | - | - | |
| Exotherm (TC) °C | - | - | - | - | 99.41 ± 0.82 | 114.85 ± 8.68 | 142.71 ± 1.04 |