Table 1.
Experimental design matrix and attributes scores of high fiber and low calorie whey based watermelon beverage
| Run | Independent variables | Dependent variables | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Whey % | Innova % | Sucralose % | Flavour | Mouthfeel | Aftertaste | Viscosity cp | Sedimentation | TSSa °Brix | |
| X1(x1) | X2(x2) | X3(x3) | Y1 | Y2 | Y3 | Y4 | ml/10 ml Y5 | Y6 | |
| 1 | 50(0) | 3.5(0) | 0.02(0) | 7.4 | 7.5 | 7.8 | 14 | 1.6 | 15.1 |
| 2 | 60(+1) | 5(+1) | 0.03(+1) | 6.3 | 6.7 | 6.8 | 15 | 2.43 | 12.11 |
| 3 | 40(−1) | 2(−1) | 0.03(+1) | 6.5 | 6.8 | 6.4 | 9 | 0.79 | 16.51 |
| 4 | 50(0) | 3.5(0) | 0.02(0) | 7.1 | 7.5 | 7.4 | 14 | 1.6 | 14.8 |
| 5 | 50(0) | 3.5(0) | 0.02(0) | 7.6 | 7.4 | 7.7 | 13 | 1.4 | 14.4 |
| 6 | 40(−1) | 2(−1) | 0.01(−1) | 7.2 | 6.05 | 6.4 | 9 | 0.52 | 13.17 |
| 7 | 50(0) | 3.5(0) | 0.02(0) | 7.5 | 7.4 | 7.6 | 13 | 1.5 | 14.8 |
| 8 | 40(−1) | 5(+1) | 0.01(−1) | 7.4 | 6.5 | 6.5 | 15 | 1.9 | 17.4 |
| 9 | 50(0) | 3.5(0) | 0.04(+1.68) | 5.9 | 7.2 | 5.8 | 13 | 1.8 | 15.8 |
| 10 | 33.18(−1.68) | 3.5(0) | 0.02(0) | 8.1 | 7.4 | 7.7 | 12 | 1.21 | 18.01 |
| 11 | 66.81(+1.68) | 3.5(0) | 0.02(0) | 5.79 | 6.4 | 7.1 | 8 | 1.94 | 10.4 |
| 12 | 60(+1) | 2(−1) | 0.03(+1) | 6.2 | 5.7 | 6.5 | 7 | 1.2 | 11.5 |
| 13 | 60(+1) | 5(+1) | 0.01(−1) | 5.52 | 5.98 | 6.03 | 13 | 2.25 | 13.48 |
| 14 | 50(0) | 3.5(0) | 0.00(−1.68) | 5.7 | 5.8 | 5.7 | 12 | 1.5 | 16.0 |
| 15 | 60(+1) | 2(−1) | 0.01(−1) | 5.8 | 5.5 | 6.82 | 7 | 0.77 | 11.1 |
| 16 | 50(0) | 3.5(0) | 0.02(0) | 7.6 | 7.3 | 7.7 | 12 | 1.4 | 15.5 |
| 17 | 40(−1) | 5(+1) | 0.03(+1) | 6.7 | 7.54 | 7.7 | 16 | 2 | 17.8 |
| 18 | 50(0) | 3.5(0) | 0.02(0) | 7.4 | 7.2 | 8 | 13 | 1.5 | 15.3 |
| 19 | 50(0) | 0.98(−1.68) | 0.02(0) | 6.8 | 5.2 | 7.2 | 7 | 0.051 | 13.3 |
| 20 | 50(0) | 6.02(+1.68) | 0.02(0) | 6.2 | 6.6 | 7 | 17 | 2.4 | 16.3 |
a TSS Total soluble solid