Table 1.

Experimental design and results of the response variables evaluated at edible films from different formulations of high amylose corn starch and glycerol with different extrusion conditions

Treatment	ET (°C)	SS (rpm)	GC (%)	PS (N)	D (mm)	WPV (g m Pa−1 s−1 m−2)	S (%)
1	112.16	140.27	19.05	10.59	9.74	2.91 × 10−11	76.30
2	147.84	140.27	19.05	10.61	9.44	3.04 × 10−11	77.72
3	112.16	199.73	19.05	10.54	9.95	2.80 × 10−11	76.65
4	147.84	199.73	19.05	10.83	9.67	2.81 × 10−11	77.36
5	112.16	140.27	30.95	5.62	11.36	3.93 × 10−11	61.74
6	147.84	140.27	30.95	5.85	11.20	3.91 × 10−11	66.50
7	112.16	199.73	30.95	5.37	11.35	3.80 × 10−11	63.68
8	147.84	199.73	30.95	5.56	11.20	3.99 × 10−11	66.69
9	100	170	25	6.77	11.13	3.62 × 10−11	70.62
10	160	170	25	7.93	10.62	3.82 × 10−11	76.65
11	130	120	25	7.31	11.06	3.63 × 10−11	71.39
12	130	220	25	7.80	10.80	3.57 × 10−11	74.30
13	130	170	15	15.02	8.73	2.68 × 10−11	82.51
14	130	170	35	5.03	11.68	4.15 × 10−11	56.34
15	130	170	25	7.42	10.95	3.55 × 10−11	68.66
16	130	170	25	7.59	10.85	3.47 × 10−11	72.21
17	130	170	25	7.04	10.95	3.56 × 10−11	71.91
18	130	170	25	7.44	10.72	3.81 × 10−11	70.72
19	130	170	25	6.87	10.94	3.75 × 10−11	72.07
20	130	170	25	7.17	10.86	3.54 × 10−11	75.72

ET extrusion temperature, SS screw speed, GC glycerol content, PS puncture strength, D deformation, WVP water vapor permeability, S water solubility