Table 2.
Retention times and molecular ion and fragment ions of glc-esters formed by VvgGT3 and the corresponding phenolic acids.
| Compound | Retention time (min) | MS [M–H]– | MS2 [M–H]– |
| Galloyl-D-glc | 7.4 | 331 | 271-211-169-125 |
| Protocatechoyl-D-glc | 11.7 | 315 | 255-195-153-109 |
| p-Hydroxybenzoyl-D-glc | 17.2 | 299 | 239-209-179-137 |
| Caffeoyl-D-glc | 23.3 | 341 | 203-179-161-135 |
| Syringoyl-D-Glc | 24.1 | 359 | 299-289-239-211-197-153 |
| p-Coumaroyl-D-Glc | 26.5 | 325 | 145-163-187 |
| Sinapoyl-D-glc | 30.0 | 385 | 247-223-205 |
| Gallic acid | 7.6 | 169 | 125 |
| Protocatechuic acid | 13.2 | 153 | 109 |
| p-Hydroxybenzoic acid | 20.1 | 137 | 93 |
| Caffeic acid | 26.8 | 179 | 135 |
| Syringic acid | 27.0 | 197 | 182-153-169-138 |
| p-Coumaric acid | 31.9 | 163 | 119 |
| Sinapic acid | 36.5 | 223 | 208-179-164 |