Table 1 Chemical shift assignments for 1H-NMR and 13C-NMR spectra of agaro-oligosaccharides
From: Antioxidant activity and hepatoprotective potential of agaro-oligosaccharides in vitro and in vivo
Unit | Chemical shifts (ppm) | ||||||
|---|---|---|---|---|---|---|---|
| Â | Â | C-1 | C-2 | C-3 | C-4 | C-5 | C-6 |
Carbon | G a | 102.3 | 70.6 | 82.3 | 68.7 | 75.2 | 61.2 |
| Â | A b | 98.1 | 69.9 | 79.7 | 77.1 | 75.5 | 69.4 |
Proton | G | 4.39 | 3.79 | 3.6 | 4.12 | 3.55 | 3.63 c/3.67 d |
| Â | A | 4.97 | 3.96 | 4.37 | 4.48 | 4.4 | 3.84 e/4.06 f |