Table 2.
High Resolution Mass Spectrometry HPLC data of tentatively identified phenolic compounds in D-Aliophen®.
| Phenolic Compound | Molecular Formula |
RT (min) |
Molecular Weight | [M − H]− Found (m/z) |
[M − H] (m/z) |
Relative Amount * (mg/L) |
|---|---|---|---|---|---|---|
| Protocatechuic acid | C7H6O4 | 6.5 | 154.0266 | 153.0197 | 153.0193 | 0.80 ± 0.01 |
| Vanillic acid | C8H8O4 | 7.5 | 168.1467 | 167.0370 | 167.0371 | 1.24 ± 0.02 |
| Catechin | C15H14O6 | 15.7 | 290.0790 | 289.0721 | 289.0717 | 2.09 ± 0.07 |
| Chlorogenic acid | C16H18O9 | 18.2 | 354.0951 | 353.0868 | 353.0878 | 0.88 ± 0.01 |
| p-Hydroxybenzoic acid | C7H6O3 | 19.5 | 138.0317 | 137.0237 | 137.0244 | 0.47 ± 0.03 |
| Caffeic acid | C9H8O4 | 21.0 | 180.0423 | 179.0341 | 179.0350 | 0.49 ± 0.07 |
| Epicatechin | C15H14O6 | 23.7 | 290.0769 | 289.0699 | 289.0696 | 1.45 ± 0.09 |
| p-Coumaric acid | C9H8O3 | 24.4 | 164.0473 | 163.0400 | 163.0393 | 2.53 ± 0.09 |
| m-Coumaric acid | C9H8O3 | 24.9 | 164.0473 | 163.0416 | 163.0400 | 0.51 ± 0.04 |
| Sinapic acid | C11H12O5 | 28.9 | 224.0685 | 223.0604 | 223.0605 | 0.89 ± 0.03 |
| Ferulic acid | C10H10O4 | 29.8 | 194.0579 | 193.0504 | 193.0505 | 4.93 ± 0.07 |
* Expressed as mean value ± SD.