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CD Melting temperature (Tm, °C; heating rate 1°C/min) of collagen and collagen-like peptides before and after UV irradiation
| Collagen Peptide | Control* | 4h UV | 17h UV | 66h UV |
|---|---|---|---|---|
| Collagen | 41.1 (39.4, 35) | 39.3, 36.0 (38.7, 35) | 36.0 (35) | 31.3 (31) |
| (PPG)10 | 38.9 | 38.6 | 38.5 | 38.3 |
| (POG)10 | 64.9 | 64.5 | 63.6 | 60.4 |
| GPKGPE | 36.9 | 36.7 | 36.3 | 35.6 |
| (AOG)10 | 29.6 | 29.7 | 29.3 | 31.0 |
| GLY- | - | - | - | - |
- before UV irradiation;
Values indicated in parenthesis are Tm of collagen at heating rate 0.1°C/min
