Table 4 24 factorial design factors and their levels.

From: Optimization and induction effect evaluation of complex inducer of Aquilaria sinensis based on factorial design

Factors

Levels

Low (− 1)

High (+ 1)

A-MeJA concentration (%)

0.1

1

B-FA concentration (%)

0.05

1

C-A13 concentration (%)

5

15

D-Time (day)

7

15

Responses

Constraint

Y1-Relative content of MeJA (%)

Maximum

Y2- Total peak Area (× 108)

Maximum

OD

\({d}_{max}={(Y}_{i}-{Y}_{min}\)\()/({Y}_{max}-{Y}_{min})\) (2)

 

\(OD=({d}_{1}+{d}_{2}\)\(+\cdot \cdot \cdot +{d}_{k})/k\)(3)

  1. 1In Eq. (2), dmax is the normalised value of each response value, Ymin is the minimum value of each response value, and Ymax is the maximum value of each response value. In Eq. (3), OD is the total normalised value, and k is the number of indicators.
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