Table 3.
Summary of functional group peak positions of the FAW.
| Peak Position (Wavenumber/cm−1) | FAW | FAWO | FAWM | FAWS | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 d | 3 d | 7 d | 1 d | 3 d | 7 d | 1 d | 3 d | 7 d | 1 d | 3 d | 7 d | |
| CH3 | - * | 2960 | 2960 | 2970 | 2960 | 2960 | 2970 | 2960 | 2960 | 2970 | 2960 | 2960 |
| CH2 | 2945 | 2938 | 2935 | 2940 | 2935 | 2935 | 2940 | 2940 | 2935 | 2935 | 2935 | 2935 |
| C=O (ester) | 1760 | 1765 | 1770 | 1760 | 1765 | 1770 | 1765 | 1768 | 1770 | 1770 | 1665 | 1770 |
| C=O (Carboxyl, aldehyde, amide) | 1700 | 1705 | 1695 | 1698 | 1705 | 1705 | 1695 | 1700 | 1710 | 1710 | 1695 | 1710 |
| C=C | 1645 | 1603 | 1595 | 1620 | 1603 | 1600 | 1600 | 1595 | 1600 | 1600 | 1605 | 1605 |
* CH3 peak could not be separated for FAW 1 d.