Table 2.
Run Number | Blending Ratio (%, w/w) | Independent Variables | Dependent Variables | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Uncoded Values | Coded Values | ||||||||||
A | B | C | X 1 | X 2 | X 1 | X 2 | Y 1 | Y 2 | Y 3 | ||
Fractional factorial design (4 points) |
1 | 17.8 | 10.7 | 71.5 | −1 | −1 | 0.22 | 0.15 | 49.3 | 8.59 | 3.2 |
2 | 52.7 | 6.2 | 41.1 | +1 | −1 | 1.12 | 0.15 | 27.6 | 10.75 | 3.5 | |
3 | 17.8 | 37.8 | 44.4 | −1 | +1 | 0.22 | 0.85 | 34.9 | 7.11 | 2.7 | |
4 | 52.8 | 21.7 | 25.5 | +1 | +1 | 1.12 | 0.85 | 22.7 | 10.34 | 2.9 | |
Axial portion (4 points) |
5 | 2.9 | 32.4 | 64.7 | −1.414 | 0 | 0.03 | 0.50 | 44.0 | 6.86 | 2.9 |
6 | 56.6 | 14.5 | 28.9 | +1.414 | 0 | 1.30 | 0.50 | 25.1 | 11.28 | 3.3 | |
7 | 40.0 | 0.3 | 59.7 | 0 | −1.414 | 0.67 | 0.01 | 37.3 | 9.08 | 3.1 | |
8 | 40.0 | 29.9 | 30.1 | 0 | +1.414 | 0.67 | 0.99 | 26.7 | 9.79 | 2.6 | |
Center points (3 points) |
9 | 40.0 | 20.0 | 40.0 | 0 | 0 | 0.67 | 0.50 | 27.1 | 10.61 | 4.5 |
10 | 40.0 | 20.0 | 40.0 | 0 | 0 | 0.67 | 0.50 | 27.8 | 10.29 | 4.5 | |
11 | 40.0 | 20.0 | 40.0 | 0 | 0 | 0.67 | 0.50 | 26.8 | 11.10 | 4.2 |
X1, A/(B + C); X2, B/C; A, water; B, starch syrup; C, soy sauce; Y1: hardness (×1000 N/m2), Y2: salinity (g/100 g), Y3: sensory taste (points).