Table 5.
Phase | Parameters | YM200 | WM200 | PM200 | WM500 |
---|---|---|---|---|---|
Creep | J0 106 (Pa−1) | 9.1 ± 0.1b | 14.1 ± 0.2c | 14.2 ± 0.9c | 3.6 ± 0.2a |
Jm 106 (Pa−1) | 4.8 ± 0.1b | 11.2 ± 0.5d | 8.0 ± 0.3c | 1.9 ± 0.1a | |
λc (s) | 5.0 ± 0.1d | 1.5 ± 0.1a | 2.9 ± 0.2b | 3.2 ± 0.3b | |
η0 10−6 (Pa·s) | 7.3 ± 0.9a | 6.7 ± 0.2a | 7.4 ± 0.2a | 20.5 ± 1.1b | |
R2 | 0.98 | 0.95 | 0.96 | 0.97 | |
Recovery | Jmax 106 (Pa−1)· | 21.7 ± 0.3b | 32.0 ± 1.4c | 30.5 ± 0.7c | 8.1 ± 0.3a |
J0 106 (Pa−1)· | 9.6 ± 0.2b | 17.0 ± 1.4c | 18.3 ± 0.4c | 4.3 ± 0.1a | |
Jm 106 (Pa−1)· | 8.8 ± 0.1b | 11.2 ± 0.1c | 8.9 ± 0.2b | 2.0 ± 0.1a | |
λr (s) | 34.0 ± 1.4d | 17.0 ± 0.1a | 27.5 ± 0.7b | 18.5 ± 0.7a | |
Jr/Jmáx (%) | 83.1 ± 0.1b | 87.6 ± 1.3d | 86.5 ± 0.9c | 75.8 ± 1.1a | |
R2 | 0.95 | 0.85 | 0.91 | 0.86 |
Data are presented as means ± standard deviation
Data value with different superscript letters in rows are significantly different, P ≤ 0.05
yellow (YM), white (WM) and purple (PM) maize flour doughs. J0, Jm, Jr and Jmax are the instantaneous, viscoelastic, recovery and maximum creep compliance, respectively, λc and λr are the mean retardation time of creep and recovery steps, η0 is the zero-shear viscosity