From: Optimization of the iron-enriched extruded snack containing jackfruit seed flour, mung bean flour and ferrous ammonium phosphate by using response surface methodology
Independent variable
Symbol
Code Levels
-α
-1
0
+ 1
+α
Jackfruit seed flour (%)
JFSF
10
18.11
30
41.89
50
Mung bean flour (%)
MBF
5
9.05
15
20.95
25
Ferrous Ammonium Phosphate (%)
FAP
0.005
0.01
0.015
0.021
0.025