Table 4. Thermal and Functional Properties of Chickpea Protein Isolatesa.
protein isolate | To (°C) | Td (°C) | ΔH (J/g) | WHC (g/g) | OHC (g/g) | EC (g/g) | EAI (m2/g) | ESI (min) | FC (%) | FS 10 min (%) | FS 30 min (%) | FS 60 min (%) | LGC (g/L) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Hisar | 42.6 ± 1.4b | 88.4 ± 0.4b | 123.2 ± 3.0a | 2.1 ± 0.1bb | 4.1 ± 0.3ab | 467.6 ± 0.8a | 25.7 ± 0.1a | 83.8 ± 5.2b | 68.7 ± 1.2a | 78.3 ± 2.4a | 70.7 ± 2.3a | 66.4 ± 2.1a | 70 ± 0c |
Erzincan | 115.9 ± 3.8a | 142.7 ± 2.8a | 25.4 ± 1.4d | 2.6 ± 0.1a | 3.9 ± 0.3ab | 401.2 ± 0.3b | 25.4 ± 1.0a | 146.9 ± 0.8a | 60.0 ± 4.0b | 78.1 ± 1.1a | 72.2 ± 5.9a | 61.1 ± 2.9ab | 100 ± 0b |
Black chickpea | 36.3 ± 0.4c | 86.8 ± 1.2b | 98.1 ± 1.9b | 2.7 ± 0.1b | 3.4 ± 0.2c | 466.9 ± 2.2a | 16.8 ± 0.4b | 45.7 ± 1.9d | 70.7 ± 1.2a | 75.3 ± 2.2a | 67.4 ± 2.3a | 66.8 ± 1.2a | 110 ± 0a |
Azkan | 115.5 ± 2.5a | 144.9 ± 2.9a | 39.7 ± 0.3c | 2.1 ± 0.1b | 4.4 ± 0.1a | 404.7 ± 0.7b | 17.4 ± 0.3b | 63.4 ± 1.8c | 65.3 ± 2.3ab | 76.6 ± 3.8a | 69.5 ± 3.6a | 59.7 ± 0.2ab | 100 ± 0b |
Yasa | 114.0 ± 0.8a | 143.0 ± 3.0a | 36.6 ± 1.4c | 2.3 ± 0.0b | 3.9 ± 0.1bc | 469.1 ± 1.1a | 14.5 ± 0.1c | 69.2 ± 2.5c | 67.3 ± 3.1ab | 78.2 ± 2.2a | 71.2 ± 1.9a | 55.7 ± 5.1b | 60 ± 0d |
To: onset temperature, Td: denaturation temperature, ΔH: denaturation enthalpy, water-holding capacity (WHC), oil-holding capacity (OHC), emulsion capacity (EC), emulsifying activity index (EAI), emulsion stability index (ESI), and least gelation concentration (LGC).
Data represent a mean ± SD (n = 3); mean values with different letters within the same column are significantly different.