Table 2 Total polyphenolic compound (TPC) extraction from apple pomace (AP) with water-only at solid/solvent ratio 1:20 g/mL, under continuous magnetic stirring at 200 rpm
Temperature (°C) | Time (min) | TPC (mg GAE/g db) |
|---|---|---|
85 | 0 | 0 |
5 | 3.02 ± 0.12 | |
10 | 4.14 ± 0.02 | |
15 | 4.27 ± 0.11 | |
25 | 4.36 ± 0.18 | |
30 | 4.45 ± 0.18 | |
40 | 3.51 ± 0.14 | |
60 | 0 | 0 |
5 | 4.15 ± 0.15 | |
10 | 4.29 ± 0.13 | |
15 | 4.36 ± 0.09 | |
25 | 4.93 ± 0.14 | |
30 | 5.09 ± 0.06 | |
40 | 3.33 ± 0.30 | |
40 | 0 | 0 |
5 | 2.28 ± 0.04 | |
10 | 2.67 ± 0.12 | |
15 | 3.07 ± 0.06 | |
25 | 3.66 ± 0.08 | |
30 | 3.33 ± 0.08 |