Table 4.
1H and 13C NMR data for the new fermentation product produced by strain 2 using trans-cinnamic acid (5) as the substrate (600 MHz for 1H NMR and 150 MHz for 13C NMR, D2O, J in Hz, δ in ppm)
| Position | Fermentation product of strain 2 using trans-cinnamic acid as the substrate | Reference | ||
|---|---|---|---|---|
| δ H | δ C | δ H | δ C | |
| 2 | 5.465dd (3.0, 12.0) | 80.46 | 5.46dd (2.4, 12.6) | 80.5 |
| 3 | 2.780dd (3.0, 18.3) | 44.21 | 2.78dd (2.4, 16.8) | 44.2 |
| 3.094dd (12.6, 18.3) | 3.0dd (12.6, 16.8) | |||
| 4 | 197.34 | 197.3 | ||
| 5 | 165.51 | 165.6 | ||
| 6 | 5.897dd (2.4, 23.1) | 97.16 | 5.90 s | 97.3 |
| 7 | 168.42 | 168.6 | ||
| 8 | 5.936dd (2.4, 23.1) | 96.21 | 5.94 s | 96.3 |
| 9 | 164.68 | 164.7 | ||
| 10 | 103.39 | 103.4 | ||
| 1′ | 140.45 | 140.5 | ||
| 2′ | 7.495d (7.8) | 127.35 | 7.50d (7.8) | 127.4 |
| 3′ | 7.415tr (7.8) | 129.70 | 7.42tr (7.8) | 129.8 |
| 4′ | 7.368tr (7.8) | 129.63 | 7.36tr (7.8) | 129.7 |