Table 2.
Extraction yields and antioxidant characteristics of the saffron processing waste (SPW) extracts obtained with DES and the control solvents.
| Solvent | YTP
(mg GAE g−1 dm) |
YTFn
(mg RtE g−1 dm) |
AAR
(μmol DPPH g−1 dm) |
PR
(μmol AAE g−1 dm) |
|---|---|---|---|---|
| Water | 102.91 ± 2.57 | 49.77 ± 2.99 | 284.66 ± 5.69 | 136.14 ± 2.04 |
| 60% EtOH | 112.15 ± 2.80 | 53.98 ± 3.24 | 290.54 ± 5.81 | 137.18 ± 2.56 |
| 60% MeOH | 107.13 ± 2.68 | 54.86 ± 3.29 | 300.71 ± 6.01 | 129.05 ± 2.09 |
| DES | 120.50 ± 3.01 * | 61.27 ± 3.37 | 213.05 ± 4.26 | 144.66 ± 3.07 |
* Asterisk indicates statistically different value (p < 0.05).