Skip to main content

Table 1 Central composite design matrix for the experimental design and predicted responses for gallic acid glucoside synthesis

From: Transglycosylation of gallic acid by using Leuconostoc glucansucrase and its characterization as a functional cosmetic agent

Run no. Coded levels Gallic acid glucoside synthesis (mM)
X1 X2 X3 Actual Predicted
1 150 300 150 29.0 13/9
2 560 300 150 22.4 10.9
3 150 1000 150 86.4 68.0
4 560 1000 150 80.9 69.0
5 150 300 500 43.5 24.5
6 560 300 500 32.5 19.9
7 150 1000 500 82.9 63.4
8 560 1000 500 78.7 62.8
9 10.2 650 325 21.6 49.5
10 699.8 650 325 30.7 46.5
11 355 61.4 325 0.2 19.8
12 355 1238.6 325 77.4 101.4
13 355 650 30.7 6.2 25.0
14 355 650 619.3 3.9 28.7
15 355 650 325 122.7 103.9
16 355 650 325 92.9 103.9
17 355 650 325 104.6 103.9
18 355 650 325 98.2 103.9
19 355 650 325 114.8 103.9
20 355 650 325 98.2 103.9
  1. Y = − 158.9 + 0.32X1 + 0.24X2 + 0.63X3 − 0.00047X 21  − 0.00013X 22  − 0.00089X 23  + 0.0000139X1X2 − 0.000011X1X3 − 0.000062X2X3