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. 2020 Jul 17;10:11898. doi: 10.1038/s41598-020-68772-y

Table 4.

Result of the Plackett–Burman design based screening experiment.

Term Effect Coefficient
Constant 177.63
Yeast extract − 1.40 − 0.70
Peptone 17.53 8.77
Colloidal chitin 25.00 12.50
KH2Po4 0.53 0.27
FeSo4 − 2.93 − 1.47
ZnSo4 − 30.27 − 15.13
MgSo4 22.33 11.17