Table 1 Range of the parameters used for BBD.

From: Investigation and characterization of changes in potato peels by thermochemical acidic pre-treatment for extraction of various compounds

Parameter

Code

Level

 − 1

0

1

Substrate conc. (%)

K1

5

10

15

H2SO4 conc. (%)

K2

0.8

1

1.2

Time (hour)

K3

4

6

8

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