Table 1.
Nutritional and chemical composition (g 100 g−1) of coffee pulp flour (CPF) and extract (CPE).
| CPF | CPE | |
|---|---|---|
| Total Carbohydrates | 76.7 ± 2.0 | 70.9 ± 2.9 |
| Available Carbohydrates | 26.9 ± 3.7 * | 42.9 ± 4.8 |
| Free sugars | 10.8 ± 1.3 * | 19.9 ± 1.2 |
| Rhamnose | 0.1 ± 0.0 * | 0.0 ± 0.0 |
| Arabinose | 1.6 ± 0.1 * | 3.0 ± 0.3 |
| Xylose | 0.0 ± 0.0 * | 0.2 ± 0.0 |
| Fructose | 7.6 ± 0.3 * | 14.0 ± 0.8 |
| Glucose | 1.6 ± 0.8 * | 2.8 ± 0.1 |
| Total Dietary Fiber | 49.8 ± 1.7 * | 28.0 ± 1.9 |
| Soluble Dietary Fiber | 11.2 ± 1.2 * | 28.0 ± 1.9 |
| Insoluble Dietary Fiber | 38.6 ± 0.5 | n.d. |
| Polysaccharides | 25.8 ± 1.8 * | 12.3 ± 1.1 |
| Arabinose | 3.6 ± 0.8 * | 1.4 ± 0.7 |
| Xylose | 1.6 ± 0.7 | n.d. |
| Mannose | 1.0 ± 0.1 | n.d. |
| Galactose | 1.6 ± 0.7 | n.d. |
| Glucose | 7.7 ± 0.5 * | 0.3 ± 0.0 |
| Uronic acids | 10.3 ± 0.9 | 10.7 ± 0.7 |
| Proteins | 12.9 ± 0.0 * | 7.5 ± 0.1 |
| Total N | 2.1 ± 0.0 * | 1.2 ± 0.0 |
| Fat | 2.8 ± 0.2 * | 3.8 ± 0.3 |
| Ash | 7.6 ± 0.1 * | 14.6 ± 0.0 |
| Energy (kJ) | 1188.3 ± 837.0 | 1274.4 ± 119.2 |
| Energy (Kcal) | 284.0 ± 20.0 | 304.6 ± 28.5 |
Results are reported as mean ± SD (n = 3). Mean values within rows followed by superscript asterisks (*) significantly differ (CPF vs. CPE) when subjected to T-test (p < 0.05). n.d.: Not detectable under the sensitivity of the methodology and equipment used.