Table 2. Particle size distribution and hydration properties of different types of fibre.
| Fibre | Dry | Hydrated | Swelling/(mL/g) | WHC/(g/g) | WRC/(g/g) | ||
|---|---|---|---|---|---|---|---|
| dm/μm | Span | dm/μm | Span | ||||
| apple | 69.5±0.1 | 2.0 | 223.8±3.7 | 2.3 | 14.8±0.6 | 9.2±0.2 | 6.9±0.9 |
| bamboo | 36.5±0.5 | 1.7 | 41.5±1.3 | 1.8 | 11.2±1.7 | 4.2±0.2 | 3.4±0.1 |
| psyllium | 287.6±14.7 | 1.6 | 486.6±16.8 | 2.1 | 37.3±3.5 | 30.7±1.1 | 28.6±1.2 |
| wheat | 89.5±1.1 | 3.1 | 57.9±2.1 | 2.9 | 10.2±0.9 | 4.9±0.5 | 4.9±0.4 |
dm=median diameter, WHC=water holding capacity, WRC=water retention capacity