TABLE 3.
Twenty-trial Plackett–Burman experimental design for evaluation of independent variables with coded values along with the observed cyclopiazonic acid.
| Run | A | B | C | D | E | F | G | H | J | K | L | M | N | O | D1 | D2 | D3 | D4 | D5 | Actual value |
|
| Area (mAU) | Conc.CPA (μg mL–1) | ||||||||||||||||||||
| 1 | 1 | −1 | −1 | 1 | 1 | 1 | −1 | 1 | −1 | 1 | −1 | 1 | −1 | −1 | −1 | 1 | 1 | −1 | 1 | 87898.0 | 7.3 |
| 2 | −1 | 1 | −1 | −1 | −1 | 1 | 1 | −1 | 1 | −1 | 1 | 1 | −1 | −1 | 1 | 1 | 1 | −1 | 1 | 61141.7 | 5.5 |
| 3 | −1 | −1 | −1 | 1 | 1 | 1 | 1 | −1 | 1 | −1 | −1 | 1 | 1 | 1 | −1 | 1 | −1 | 1 | −1 | 0.0 | 1.5 |
| 4 | 1 | −1 | 1 | 1 | −1 | 1 | 1 | 1 | 1 | −1 | 1 | −1 | 1 | −1 | −1 | −1 | −1 | −1 | 1 | 1434859.7 | 95.4 |
| 5 | −1 | −1 | 1 | 1 | 1 | −1 | 1 | −1 | −1 | 1 | 1 | −1 | −1 | −1 | 1 | 1 | −1 | 1 | 1 | 213720.3 | 15.5 |
| 6 | 1 | −1 | −1 | −1 | −1 | 1 | −1 | 1 | 1 | 1 | 1 | −1 | −1 | 1 | 1 | 1 | −1 | 1 | −1 | 117458.3 | 9.2 |
| 7 | 1 | −1 | 1 | −1 | −1 | −1 | 1 | 1 | −1 | −1 | −1 | 1 | 1 | −1 | 1 | 1 | 1 | 1 | −1 | 75908.0 | 6.5 |
| 8 | 1 | 1 | −1 | 1 | 1 | −1 | 1 | 1 | −1 | −1 | 1 | 1 | −1 | 1 | 1 | −1 | −1 | −1 | −1 | 54613.3 | 5.1 |
| 9 | −1 | −1 | −1 | −1 | −1 | −1 | −1 | −1 | −1 | −1 | −1 | −1 | −1 | −1 | −1 | −1 | −1 | −1 | −1 | 32837.0 | 3.7 |
| 10 | −1 | −1 | 1 | 1 | −1 | 1 | −1 | −1 | −1 | 1 | 1 | 1 | 1 | 1 | 1 | −1 | 1 | −1 | −1 | 0.0 | 1.5 |
| 11 | 1 | 1 | 1 | −1 | 1 | 1 | −1 | −1 | −1 | −1 | −1 | −1 | 1 | 1 | 1 | 1 | −1 | −1 | 1 | 3099019.7 | 204.2 |
| 12 | −1 | 1 | 1 | −1 | −1 | 1 | 1 | 1 | −1 | 1 | −1 | 1 | −1 | 1 | −1 | −1 | −1 | 1 | 1 | 100937.7 | 8.1 |
| 13 | 1 | −1 | 1 | −1 | 1 | −1 | −1 | −1 | 1 | −1 | 1 | 1 | −1 | 1 | −1 | −1 | 1 | 1 | 1 | 1155138.3 | 77.1 |
| 14 | 1 | 1 | 1 | 1 | −1 | −1 | 1 | −1 | 1 | 1 | −1 | −1 | −1 | 1 | −1 | 1 | 1 | −1 | −1 | 2536194.0 | 167.4 |
| 15 | −1 | 1 | 1 | −1 | 1 | −1 | −1 | 1 | 1 | 1 | 1 | 1 | 1 | −1 | −1 | 1 | −1 | −1 | −1 | 248304.3 | 17.8 |
| 16 | −1 | 1 | 1 | 1 | 1 | 1 | −1 | 1 | 1 | −1 | −1 | −1 | −1 | −1 | 1 | −1 | 1 | 1 | −1 | 0.0 | 1.5 |
| 17 | 1 | 1 | −1 | −1 | 1 | 1 | 1 | −1 | −1 | 1 | 1 | −1 | 1 | −1 | −1 | −1 | 1 | 1 | −1 | 1976494.3 | 130.8 |
| 18 | 1 | 1 | −1 | 1 | −1 | −1 | −1 | −1 | 1 | 1 | −1 | 1 | 1 | −1 | 1 | −1 | −1 | 1 | 1 | 232676.3 | 16.7 |
| 19 | −1 | −1 | −1 | −1 | 1 | −1 | 1 | 1 | 1 | 1 | −1 | −1 | 1 | 1 | 1 | −1 | 1 | −1 | 1 | 1416.7 | 1.6 |
| 20 | −1 | 1 | −1 | 1 | −1 | −1 | −1 | 1 | −1 | −1 | 1 | −1 | 1 | 1 | −1 | 1 | 1 | 1 | 1 | 681909.0 | 46.1 |
mAU, milli-Absorbance Units; Conc.CPA, concentration of cyclopiazonic acid; D1–D5, dummy1-dummy5.