Table 2.
Polyphenols content (mg/g DW) | Release rate (%) | ORAC value (μmol/g) | Release rate (%) | |
---|---|---|---|---|
Before digestion a |
1.43 ± 0.08c | / | 9 ± 1.4c | / |
Oral digestion | 12.65 ± 0.37b | 5.8 | 70 ± 5b | 3.3 |
Stomach digestion | 52.65 ± 0.27a | 24.1 | 628 ± 13a | 29.4 |
Intestine digestion | 54.70 ± 0.40a | 25.1 | 643 ± 5a | 30.1 |
Values in the same column with different letters presented significant differences (p < .05).
The lyophilized residue (500 mg) after EP extraction was mixed with 20 ml of 0.9% saline and directly subjected to TPC and ORAC determination.