Table 3.
Recovery Index % (RI) of each phenolic group (anthocyanins, phenolic acid, flavonoids, stilbenes and total) in samples extracts before (undigested) and after in vitro digestion (gastric- and intestinal-digested).
| Samples | RI Anthocyanins (%) | RI Phenolic Acid (%) | RI Flavonoids (%) | RI Stilbenes (%) | RI Total (%) | |
|---|---|---|---|---|---|---|
| Undigested | ACW | |||||
| Gastric | ACgW | 340.9 | 30.1 | 643.8 | 0 | 323.9 |
| Intestinal | ACiW | 36.9 | 311.3 | 1260.7 | 0 | 53.5 |
| Undigested | AQW | |||||
| Gastric | AQgW | 242.5 | 253.1 | 318.5 | 0 | 243.3 |
| Intestinal | AQiW | 9.1 | 107.1 | 147.6 | 0 | 14.9 |
| Undigested | NCW | |||||
| Gastric | NCgW | 167.5 | 392.1 | 0 | 0 | 176.1 |
| Intestinal | NCiW | 0 | 415.9 | 0 | 0 | 15.9 |
| Undigested | NQW | |||||
| Gastric | NQgW | 80.1 | 59.9 | 0 | 0 | 77.0 |
| Intestinal | NQiW | 0 | 97.9 | 0 | 0 | 14.8 |
| Undigested | ACS | |||||
| Gastric | ACgS | 24.0 | 4.6 | 24.1 | 0 | 23.7 |
| Intestinal | ACiS | 0.9 | 13.0 | 6.5 | 0 | 1.0 |
| Undigested | AQS | |||||
| Gastric | AQgS | 18.0 | 7.0 | 13.2 | 0 | 17.8 |
| Intestinal | AQiS | 0.5 | 5.1 | 2.7 | 0 | 0.6 |
| Undigested | NCS | |||||
| Gastric | NCgS | 7.5 | 1.4 | 1.5 | 0 | 7.1 |
| Intestinal | NCiS | 0.4 | 4.5 | 0 | 0 | 0.6 |
| Undigested | NQS | |||||
| Gastric | NQgS | 22.7 | 5.0 | 4.7 | 0 | 21.5 |
| Intestinal | NQiS | 0 | 2.5 | 0 | 0 | 0.1 |
For sample codes, see Table 1.