Table 4.
FTIR spectra of gelatins extracted from smooth-hound shark skin.
| Gelatins* | Wavenumbers (cm−1) |
||||
|---|---|---|---|---|---|
| Amide A | Amide B | Amide I | Amide II | Amide III | |
| FGUS | 3417 | 3000 | 1637 | 1549 | 1000 |
| FGMS | 3430 | 2983 | 1639 | 1550 | 1021 |
|
FGOS |
3427 |
2974 |
1640 |
1549 |
1022 |
| SGUS | 3284 | 2966 | 1636 | 1540 | 1002 |
| SGMS | 3305 | 2957 | 1672 | 1586 | 1107 |
| SGOS | 3297 | 2931 | 1635 | 1539 | 1081 |
*FGUS: Freeze-dried Gelatin from the Untreated Skin; FGMS: Freeze-dried Gelatin from the Microwaves-pretreated Skin; FGOS: Freeze-dried Gelatin from the Oven-pretreated Skin; SGUS: Spray-dried Gelatin from the Untreated Skin; SGMS: Spray-dried Gelatin from the Microwaves-pretreated Skin; SGOS: Spray-dried Gelatin from the Oven-pretreated Skin.