Table 2.
High Performance Liquid Chromatography-diode-array detector (HPLC-DAD) analysis of the main polyphenols contained in Taurisolo®, before and after in vitro simulated gastrointestinal digestion. Values are expressed in µg/g Taurisolo® ± standard deviation of three repetitions.
| Compound | Mean Value (µg/g) ± SD | |
|---|---|---|
| Taurisolo® | Digested Taurisolo® | |
| Ferulic acid | 14.59 ± 0.98 | 1.92 ± 0.11 |
| Resveratrol | 12.55 ± 0.02 | 0.245 ± 0.004 |
| Caffeic acid | 35.00 ± 3.00 | n.d. |
| p-cumaric acid | 122.75 ± 2.77 | n.d |
| Rutin | 98.81 ± 7.31 | 20.82 ± 0.20 |
| Quercetin | 135.41 ± 4.69 | n.d. |
| Procyanidin B1 dimer | 946.33 ± 55.20 | 116.72 ± 0.52 |
| Procyanidin B2 dimer | 645.89 ± 59.17 | 169.16 ± 0.77 |
| Syringic acid | 310.95 ± 0.01 | 122.57 ± 0.55 |
| Epicatechin | 1696.55 ± 109.60 | 1.38 ± 0.02 |
| Gallic acid | 199.46 ± 4.59 | n.d. |
| Catechin | 2499.04 ± 307.41 | 77.95 ± 0.29 |