Table 2.
FT-IR peaks wavenumbers of the cassava/gelatin films at different concentrations of quercetin (Q) and TBHQ (T) (without antioxidant serves as control).
| Wavenumbers of Peaks (cm−1) | ||||||
|---|---|---|---|---|---|---|
| Control Film | Film + Q50 | Film + Q100 | Film + Q200 | Film + T50 | Film + T100 | Film + T200 |
| 3272.9 | 3272.3 | 3277.1 | 3276.5 | 3274.9 | 3276.5 | 3278.3 |
| 2930.6 | 2928.5 | 2928.3 | 2926.8 | 2930.6 | 2928.8 | 2929.0 |
| 1646.7 | 1637.3 | 1636.4 | 1636.7 | 1634.6 | 1638.2 | 1637.2 |
| 1550.0 | 1550.3 | 1549.2 | 1549.6 | 1550.0 | 1550.6 | 1549.8 |
| 1407.2 | 1405.8 | 1405.1 | 1405.4 | 1405.2 | 1405.6 | 1405.5 |
| 1335.1 | 1335.1 | 1335.1 | 1334.7 | 1335.9 | 1335.7 | 1335.4 |
| 1239.9 | 1239.5 | 1238.3 | 1238.7 | 1238.5 | 1238.8 | 1238.5 |
| 1149.8 | 1150.6 | 1150.6 | 1150.6 | 1151.0 | 1150.5 | 1150.8 |
| 1076.5 | 1078.4 | 1078.0 | 1077.6 | 1077.8 | 1077.5 | 1077.4 |
| - | 1017.3 | 1018.4 | 1017.6 | 1020.2 | - | - |
| 992.3 | 996.0 | 994.4 | 995.5 | 992.9 | 992.6 | 993.4 |
| 923.8 | 924.3 | 924.1 | 924.2 | 923.4 | 923.8 | 923.8 |
| 852.6 | 852.6 | 851.8 | 853.1 | 852.4 | 854.2 | 853.8 |