Table 2.
Pearson correlation coefficients (r) for the correlations between total fiber and fiber components and the textural parameters of the ten date fruit varieties studied.
| Carbohydrate polymer (%) | Hardness cycle 1 (g) | Hardness cycle 2 (g) | Springiness (%) | Gumminess (g) | Chewiness (g) | Adhesiveness (mJ) | Cohesiveness | Resilience |
|---|---|---|---|---|---|---|---|---|
| Cellulose + β-glucan | NS | NS | NS | 0.364* | NS | NS | NS | NS |
| Arabinoxylan | 0.484** | 0.558** | NS | 0.624** | 0.585** | NS | 0.623** | 0.531** |
| Galactomannan | 0.433* | 0.402* | NS | NS | NS | NS | NS | NS |
| Pectin | 0.407* | 0.411* | NS | 0.477** | 0.446* | NS | NS | NS |
| Klason lignin | 0.651** | 0.635** | NS | 0.600** | 0.523** | NS | NS | 0.363* |
| Fructans | NS | NS | 0.590** | NS | NS | 0.611** | NS | NS |
| Total dietary fiber | 0.704** | 0.692** | NS | 0.692** | 0.635** | NS | NS | 0.420* |
The correlations are significant at **p-value < 0.01, *p-value < 0.05, and NS non-significant.