Table 3.
Sample | Peak I | Peak II | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
To (°C) | Tp (°C) | Tc (°C) | Tc − To (°C) | ∆H (J/g) | To (°C) | Tp (°C) | Tc (°C) | Tc − To (°C) | ∆H (J/g) | |
Neutral system | ||||||||||
TS | 64.00 ± 0.21 c | 70.75 ± 0.11 c | 82.25 ± 0.17 c | 18.26 ± 0.04 a | 10.62 ± 0.72 b | |||||
WTS | 68.78 ± 0.09 b | 74.42 ± 0.12 b | 84.96 ± 0.30 b | 16.18 ± 0.21 b | 12.63 ± 0.41 a | |||||
RS | 76.51 ± 0.06 a | 81.42 ± 0.12 a | 89.06 ± 0.09 a | 12.55 ± 0.03 c | 11.19 ± 0.31 b | 95.96 ± 0.00 | 107.83 ± 0.00 | 117.25 ± 0.30 | 21.29 ± 0.30 | 0.08 ± 0.04 |
WRS | 63.88 ± 0.38 c | 70.92 ± 0.35 c | 82.30 ± 0.59 c | 18.42 ± 0.21 a | 10.69 ± 0.45 b | |||||
Sugar-acid system | ||||||||||
TS | 75.28 ±0.02 c | 82.59 ±0.12 d | 95.52 ±0.21 b | 20.25 ±0.23 a | 13.19 ±0.71 a | |||||
WTS | 79.85 ±0.04 b | 85.50 ±0.00 b | 99.87 ±0.72 a | 20.02 ±0.76 a | 13.94 ±0.21 a | |||||
RS | 88.46 ±0.08 a | 93.09 ± 0.12 a | 100.71 ±0.17 a | 12.25 ±0.08 b | 11.15 ±0.71 b | 108.64 ± 0.40 | 115.50 ± 0.24 | 121.04 ± 0.2 | 12.40 ± 0.18 | 0.39 ± 0.04 |
WRS | 74.96 ±0.07 d | 82.92 ±0.12 c | 95.08 ±0.71 b | 20.12 ±0.64 a | 13.15 ±0.88 a |
Mean values in the same column with different letters are significantly different (p < 0.05). To = onset temperature of gelatinization; Tp = peak temperature; Tc = conclusion temperature, ∆H = gelatinization enthalpy.