Research Article

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 nameLoss on drying (%)TS (MPa)E (%)WVP (g•mm•m-2•h-1•kPa-1)WDPT/d (min/mm)Transparency (%)

HPMC8.32(0.57)a23.20(1.55)bc12.66(1.22)a0.165(0.01)d131.32(6.45)a87.93(0.83)a
5% AHP6.78(0.45)bc21.11(1.77)bd5.31(0.43)bc0.081(0.01)e112.48(4.45)b80.61(2.14)b
10% AHP6.63(0.37)cd16.87(1.26)d6.72(0.91)b0.228(0.02)ac100.33(5.45)bc73.53(2.83)c
15% AHP6.90(0.37)b23.32(1.88)b2.93(0.29)d0.242(0.02)a93.01(3.10)cd64.20(4.38)cd
20% AHP6.71(0.37)bd36.94(0.43)a1.94(0.29)e0.234(0.02)ab83.96(3.95)cd59.77(0.71)d

Average of three experimental determinations. An average with the same letter, in the same column, indicate no significant difference, ().