Table 3.
Rice Type | References | Amylose Content (%) |
Ultrasonic Conditions |
Thermal Properties |
Relative Crystallinity |
Pasting Properties |
||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Frequency (kHz) | Power (W) | Temperature(°C) | Time (mins) | To | Tp | ΔH | Peak Viscosity | Final Viscosity | ||||
Brown Rice | [50] | – | 16 | 2000 | 25, 40, 55 | 30 | 5.9 ↓ | 4.6 ↓ | 31.0 ↑ | 10.0 ↑ | 9.9 ↑ | 6.8 ↑ |
[51]* | – | 20 | 750 | 40 | 30 | – | – | – | – | 18.6 ↑ | 37.6 ↑ | |
[71] | – | 400 | 158 | 25, 50 | 30, 60 | 4.8 ↑ | 1.7 ↑ | 4.5 ↓ | 39.8 ↓ | 25.1 ↑ | 34.2 ↑ | |
[84] | 35.53 | 40 | 150 | 30 | 30 | – | – | – | – | 6.2 ↑ | 2.4 ↑ | |
[73] | 35.53 | 40 | 180 | 30 | 30 | 0.3 ↑ | 1.7 ↑ | 7.2 ↓ | 3.6 ↑ | – | – | |
Milled Rice | [77] | 7.04 | 400 | 40 | 30 | 15, 30 | 6.9 ↓ | 0.7 ↓ | 61.3 ↓ | – | 24.7 ↑ | 21.4 ↑ |
[53] | – | 40 | 0 – 600 | 4 | 10–120 | – | – | – | 25.1 ↓ | – | – | |
[72] | 16.9 & 29.35 | 60 | 665 | 30 | 15, 30 | 3.4 ↓ | 1.9 ↓ | 44.8 ↓ | 27.7 ↓ | 279.6 ↑ | 105.4 ↑ |
↑ = increase; ↓ = decrease with respect to the raw non-sonicated rice..
*with enzymatic treatment.