Table 3.
Main antioxidant parameters reported for C. coccineum extracts.
| Method of Extraction | Part of the Plant | [DPPH•] IC50 (µg·mL−1) | TPC (mg GA·g−1 of fde | FC (mg CE·g−1 of fde) | [ABTS•+] IC50 (µg·mL−1) | Ref. |
|---|---|---|---|---|---|---|
| EtOH | Aerial part | 4.09 ± 0.6 | 406.38 ± 2 | 109.47 ± 33 | n.a. | [27] |
| Water | Aerial part | 13.47 ± 2.2 | 75.69 ± 3.6 | 39.19 ± 2 | n.a. | [27] |
| MetOH | Whole plant (crude extract) | 40.0 | 259.30 ± 6.8 | d.n.q. | 30.0 | [5] |
| ButOH | Whole plant (crude extract) | 5.60 | 201.36 ± 7.4 | N.A. | 6.0 | [5] |
| MetOH | Aerial part | 54.20 ± 2.1 | 173.50 ± 5.1 | 40.34 ± 0.7 | 910 ± 0.1 | [7] |
| Water | Aerial part | 51.60 ± 3.2 | 108.87 ± 3.7 | 37.15 ± 0.6 | 890 ± 0.1 | [7] |
TPC, total phenolic content; FC, flavonoid content; fde, freeze-dried extract; n.a., not available; GAE, gallic acid equivalent; CE, catechin equivalent; d.n.q., detected but not quantified.