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. 2013 Jul 5;8(7):e68220. doi: 10.1371/journal.pone.0068220

Table 7. Effects of shading on starch pasting viscosity of rice flour at heading-maturity stage (2010).

Varieties Treatments PKV (RVU) HPV (RVU) CPV (RVU) SBV (RVU) BDV (RVU) PaT (°C)
IIyou 498 CK 225.38±1.17a 129.75±3.18a 261.25±2.00a 35.88±3.71a 95.63±4.89a 76.45±0.64b
Shading 219.30±1.12b 133.38±1.71a 257.54±3.59a 38.17±4.71a 86.00±0.59b 77.60±0.07a
Gangyou 188 CK 210.42±1.30a 122.42±2.83a 244.42±0.71a 34.00±0.59a 88.00±4.12a 77.38±0.60a
Shading 173.42±2.59b 98.17±1.41b 202.59±1.30b 29.17±3.89a 75.25±4.01b 78.33±0.11a
Gangyou 527 CK 215.13±0.06a 119.00±3.30a 241.54±1.12a 26.42±1.06a 96.13±3.24a 77.70±0.07b
Shading 205.59±0.82b 112.25±1.30b 227.71±1.94b 22.13±1.12a 93.34±0.47a 78.83±0.67a
Chuanxiang 9838 CK 232.50±0.94a 127.63±1.71a 260.42±1.89a 27.92±0.94a 104.88±0.77a 76.88±0.11a
Shading 221.25±1.65b 128.38±4.89a 253.50±6.25b 32.25±7.90a 92.88±6.54b 77.70±0.07a
Dexiang 4103 CK 216.04±1.36b 92.00±1.18a 171.38±1.00a −44.67±0.35a 124.05±0.18a 71.30±0.07a
Shading 220.13±4.30a 97.09±0.12a 171.88±1.24a −48.25±5.54a 123.05±4.42a 71.68±0.67a
F-value L 290.34** 15.14** 170.89** 0.94 31.02** 20.60**
V 306.89** 143.45** 998.46** 613.49** 104.77** 162.38**
L×V 94.31** 23.67** 56.13* 2.23 3.11 0.52

L, light intensity; V, variety; PKV, peak viscosity; HPV, hold viscosity; CPV, final viscosity; SBV, setback; BDV, breakdown; PaT, pasting temperature; and RVU, rapid visco units.

Values in columns represent the significant differences between CK and shading treatments, (p<0.05). Means ± standard, n = 2.

**

significant at 0.01 level;

*

,significant at 0.05 level.