Table 2 Abelmoschus esculentus okra stalks: fiber dimensions and morphological indices. Fibers after cooking conditions presented in Table 1
From: Application of soda-AQ pulping to agricultural waste (okra stalks) from Sudan
| Fiber dimensions | Measured value of core | ±SD | Measured value of bark | ±SD |
|---|---|---|---|---|
| Fiber length, mm | 0.66 | 0.09 | 0.92 | 0.08 |
| Fiber width, μm | 17.6 | 0.94 | 21.7 | 0.89 |
| Lumen width, μm | 6.4 | 0.95 | 9.3 | 0.97 |
| Wall thickness, μm | 5.6 | 0.41 | 6.2 | 0.22 |
| Morphological indices | ||||
| Runkel index | 1.8 | 1.3 | ||
| Wall fraction | 63.6 | 57.1 | ||
| Flexibility coefficient, % | 36.4 | 42.9 | ||
| Rigidity coefficient, % | 31.8 | 28.8 | ||
| Felting power(slenderness) | 37.5 | 42.4 | ||