Table 2. 13C NMR Data for the Comparison of the Structures of Phlorotannin Linkages.
| ratio
of intensity of chemical bond measured by 13C NMR spectroscopy |
|||
|---|---|---|---|
| seaweed species | C–O–C | C–C | C–H |
| A. nodosum | 1.63 | 0.23 | 1.0 |
| F. serratus | 0.85 | 0.35 | 1.0 |
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