Table 2.
Rheological properties of native and heat-moisture treated pearl millet starch gel
| Sample | G′ (Pa) | G″ (Pa) | Loss factor (tan δ, G″/G′) | LVE range | Flow point (Pa) | |
|---|---|---|---|---|---|---|
| Strain (%) | Yield point (Pa) | |||||
| Native | 33.53 ± 0.153a | 4.55 ± 0.030a | 0.14 ± 0.001b,c | 6.81 ± 0.021a | 2.61 ± 0.032a | 8.67 ± 0.635a |
| HMT-20 | 30.60 ± 0.20b | 4.50 ± 0.355a | 0.15 ± 0.011b | 4.18 ± 0.157b | 1.41 ± 0.098b | 7.92 ± 0.438b |
| HMT-25 | 14.83 ± 0.064d | 1.92 ± 0.032b | 0.13 ± 0.002c | 0.30 ± 0.081c | 0.56 ± 0.002c | 2.78 ± 0.732c |
| HMT-30 | 27.13 ± 0.154c | 4.64 ± 0.049a | 0.17 ± 0.001a | 0.05 ± 0.014d | 0.03 ± 0.012d | 3.27 ± 0.664c |
| LSD (p < 0.05) |
0.28 | 0.34 | 0.01 | 0.20 | 0.10 | 0.52 |
HMT heat moisture treatment, G′ storage modulus, G″ loss modulus, LVE linear visco-elastic (measured at constant frequency 10 rads/s), mean values (n = 3) with the same superscript letters within a column are not significantly (p < 0.05) different