Independent variables Response variables Trials X1 X2 X3 pH TSS (°Brix) TSS (°Brix) Overall acceptability         M P M P M P M P 1 -1 -1 0 5.45 5.50 5.40 5.51 60.10 59.95 2.70 2.73 2 1 -1 0 5.26 5.25 4.40 4.76 24.80 20.75 3.61 3.57 3 -1 1 0 5.68 5.75 6.80 6.44 58.90 62.95 3.32 3.36 4 1 1 0 5.39 5.40 5.40 5.29 94.80 94.95 2.52 2.49 5 -1 0 -1 5.79 5.75 5.60 5.84 37.60 40.80 3.05 3.02 6 1 0 -1 5.42 5.40 5.40 5.39 43.80 42.80 3.20 3.23 7 -1 0 1 5.69 5.70 6.60 6.61 69.00 70.00 3.30 3.27 8 1 0 1 5.43 5.45 5.40 5.61 148.40 145.50 2.99 3.03 9 0 -1 -1 5.32 5.35 5.30 5.16 122.50 119.45 3.23 3.24 10 0 1 -1 5.58 5.60 5.50 4.95 59.10 59.95 3.17 3.16 11 0 -1 1 5.38 5.40 5.30 5.63 130.20 129.35 3.40 3.41 12 0 1 1 5.58 5.55 5.60 5.18 178.60 181.65 3.05 3.04 13 0 0 0 5.55 5.50 5.50 5.46 73.11 73.47 2.66 2.55 14 0 0 0 5.51 5.50 5.50 5.46 72.90 73.47 2.60 2.55 15 0 0 0 5.53 5.50 5.40 5.46 74.40 73.47 2.40 2.55 16 0 0 0 5.54 5.50 5.40 5.46 73.50 73.47 2.54 2.55 17 0 0 0 5.53 5.50 5.50 5.46 72.70 73.47 2.63 2.55

Table 3: Box-Behnken design and responses.