Table 1. Amylose and crude protein contents and pasting properties of rice flour of different varieties
Variety1) | Amylose (%) | Crude protein (%) | Pasting properties |
Initial pasting temperature (°C) | Peak viscosity (cP2)) | Trough viscosity (cP) | Final viscosity (cP) | Breakdown viscosity (cP) | Setback viscosity (cP) |
NBR | 13.15±0.63d3) | 6.77±0.05d | 74.48±0.55a | 294.14±2.42d | 140.33±4.60d | 230.14±4.02d | 153.81±2.19b | 89.80±1.01d |
NWR | 14.73±0.17c | 5.63±0.01e | 73.93±0.06a | 415.95±2.03b | 182.58±2.35c | 302.89±2.35c | 233.36±0.86a | 120.31±0.67c |
ABR | 20.87±0.49b | 7.95±0.07a | 74.18±0.45a | 318.11±3.07c | 216.75±7.19b | 402.08±3.05b | 101.36±4.12c | 185.33±10.21b |
AWR | 23.50±0.34a | 7.33±0.01c | 72.28±0.06c | 433.36±5.47a | 279.75±10.84a | 554.61±6.44a | 153.61±8.86b | 274.86±6.48a |
PBR | 5.13±0.08e | 7.45±0.02b | 73.02±0.08b | 77.97±0.33e | 28.00±0.08e | 38.11±0.05e | 49.97±0.39d | 10.11±0.10e |
NBR, normal brown rice; NWR, normal white rice; ABR, aromatic brown rice; AWR, aromatic white rice; PBR, pigment brown rice.
cP, centipoise.
Mean±SD (n=3) within each column followed by different superscript letters are significantly different (p<0.05).