Table 11.
Final comparison between extraction strategies for the recovery of bioactive compounds from potato peels.
| Potato Variety | PP Extraction Conditions |
Antioxidant Activity (DPPH Assay) | Biological Activity (In Vitro Test) |
Ref. |
|---|---|---|---|---|
| Conventional extraction | ||||
| Agria | 71.2% EtOH, 89.9 °C, 34 min | 3.2–10.3 mg/100 g db * | Soybean oil stabilisation under accelerated oxidation conditions | [53] |
| Lady Rosetta | 80% MeOH, 23 °C, 15 h |
3.51 mg TE/g db | n.d. | [38] |
| Lady Claire | MeOH and 75% EtOH, 80 °C, 22 min | 2.00 mg TE/g db | n.d | [74] |
| Purple sweet | 80% EtOH, acidified by 0.1% (v/v) HCl 60 °C, 90 min, |
1303.14 mg TE/100 g db | n.d. | [73] |
| Vitelotte | 70% EtOH, 80 °C, 1 h | 339.3 μmolTE/gExtr | Antiproliferative MTS assay (Caco-2 and HaCaT cell lines) | This work |
| Ultrasound-Assisted Extraction (UAE) | ||||
| Ratona Morada | 70% acetone, 50 °C, 50 min |
39.81 EA × 10−3 mg TE/g db |
n.d. | [75] |
| Lady Rosetta | 80% MeOH, 30–45 °C, 30–900 min, 42–33 Hz |
5.86 mg TE/g db | n.d | [38] |
| Purple sweet | 90% EtOH, acidified by 0.1% (v/v) HCl 50 °C, 45 min, 200 W |
1303.14 mg TE/100 g db | n.d. | [73] |
| Vitelotte | ChLA, 40 °C, 30 min, 500 W | 1874.0 mmolTE/gExtr | Antiproliferative MTS assay (Caco-2 & HaCaT cell lines) | This work |
| Microwave-Assisted Extraction (MAE) | ||||
| Russett Burbank | 67.33% MeOH, 15 min, 1:20 S/L ratio, | 74 mg TE/g db ** | n.d | [36,76] |
| Vitelotte | ChLA 120 °C, 5 min | 493.7 mmolTE/gExtr | Antiproliferative MTS assay (Caco-2 & HaCaT cell lines) | This work |
| Pressurised Liquid Extraction (PLE) | ||||
| Lady Claire | 70% EtOH and 125 °C | 3.39 mg TE/g db | n.d. | [74] |
n.d.: not documented; d.b.: dry biomass; TE: rolox equivalent; * Total Phenolic Content; ** (%). Pink lines refer to data collected in this work.