The Film-Forming Characterization and Structural Analysis of Pectin from Sunflower Heads
Table 3
Loss on drying, tensile strength (TS), elongation at break (E), water vapor permeability (WVP), water drop penetration time per film thickness (WDPT/d), and transparency of blended films.
Sample name
Loss on drying (%)
TS (MPa)
E (%)
WVP (g•mm•m-2•h-1•kPa-1)
WDPT/d (min/mm)
Transparency (%)
HPMC
8.32(0.57)a
23.20(1.55)bc
12.66(1.22)a
0.165(0.01)d
131.32(6.45)a
87.93(0.83)a
5% AHP
6.78(0.45)bc
21.11(1.77)bd
5.31(0.43)bc
0.081(0.01)e
112.48(4.45)b
80.61(2.14)b
10% AHP
6.63(0.37)cd
16.87(1.26)d
6.72(0.91)b
0.228(0.02)ac
100.33(5.45)bc
73.53(2.83)c
15% AHP
6.90(0.37)b
23.32(1.88)b
2.93(0.29)d
0.242(0.02)a
93.01(3.10)cd
64.20(4.38)cd
20% AHP
6.71(0.37)bd
36.94(0.43)a
1.94(0.29)e
0.234(0.02)ab
83.96(3.95)cd
59.77(0.71)d
Average of three experimental determinations. An average with the same letter, in the same column, indicate no significant difference, ().