Skip to main content
. 2022 Sep 7;27(18):5798. doi: 10.3390/molecules27185798

Table 3.

Water contact angle (180 s after the water drop deposition), moisture content (MC), solubility (Sol), water vapor permeability (WVP), enthalpy of melting (ΔHm), glass transition temperature (Tg), onset temperature (Tonset), and TGA peak (TGAp) for alginate films with amaranth phenolic compounds.

Films Water Contact Angle (°) MC (%) Sol (%) WVP × 1010 [g·(Pa·s·m)−1] ΔHm (J g−1) Tg (°C) Tonset (°C) TGAp (°C)
1 35.30 ± 0.75 b,c 47.76 ± 1.22 b 85.63 ± 2.54 b 0.28 ± 0.02 a 471.15 ± 11.63 a 148.56 ± 3.66 a 188.63 ± 0.04 b,c 214.47 ± 0.80 b
2 0.00 ± 0.00 a 72.06 ± 0.52 a 93.88 ± 1.21 a 0.26 ± 0.03 a 423.94 ± 90.07 a.b 144.85 ± 2.38 a 209.55 ± 0.06 a 218.03 ± 0.16 a,d
3 47.10 ± 1.28 b 49.60 ± 1.18 b 79.67 ± 1.55 c 5.43 ± 0.22 c 213.48 ± 19.62 c 123.68 ± 1.07 b 192.51 ± 2.25 b 213.47 ± 0.57 b
4 0.00 ± 0.00 a 72.13 ± 0.68 a 98.86 ± 1.98 a 3.70 ± 0.41 b 290.51 ± 5.48 c 125.23 ± 3.83 b 209.21 ± 3.40 a 219.07 ± 1.76 a
5 21.30 ± 3.94 c 35.75 ± 0.85 c 87.68 ± 1.38 b 5.63 ± 0.28 c 504.97 ± 38.19 a 153.94 ± 3.91 a 184.96 ± 3.27 b,c 213.78 ± 0.57 b
6 27.97 ± 0.67 c 74.68 ± 0.55 a 97.74 ± 0.82 a 5.15 ± 0.32 c 294.81 ± 51.19 c 126.00 ± 3.03 b 181.89 ± 3.48 c 209.69 ± 0.11 c
7 29.33 ± 1.55 b,c 53.57 ± 0.82 d 97.78 ± 0.71 a 3.08 ± 0.15 d 532.61 ± 19.23 a 153.31 ± 1.08 a 193.71 ± 1.94 b 215.79 ± 0.08 b,d
8 21.87 ± 18.94 c 57.57 ± 0.91 e 79.20 ± 1.24 c 2.72 ± 0.32 d 230.73 ± 30.06 c 124.54 ± 1.07 b 193.04 ± 3.13 b 216.08 ± 1.17 a,b
9 0.00 ± 0.00 a 63.99 ± 1.87 f 74.91 ± 1.95 d 2.66 ± 0.18 d 469.75 ± 9.57 a,b 148.23 ± 6.65 a 187.17 ± 0.18 b,c 215.20 ± 0.24 b,d
10 0.00 ± 0.00 a 55.04 ± 1.00 d 66.20 ± 1.20 e 2.44 ± 0.12 d 425.27 ± 42.19 a,b 149.59 ± 9.91 a 193.48 ± 0.69 b 214.71 ± 0.78 b
11 0.00 ± 0.00 a 67.03 ± 1.52 f 60.06 ± 1.50 f 2.57 ± 0.19 d 413.16 ± 57.00 a,b 155.64 ± 2.62 a 191.04 ± 3.92 b 215.14 ± 0.05 b,d

a–f Different letters in the same column indicate statistical differences between samples (p < 0.05).