TABLE 2.
List of edible macroalgae and their antioxidant capacity.
| Macroalgae | Common name | Antioxidant components | Antioxidant activity (in vitro) | References |
|---|---|---|---|---|
| Laminaria japonica | Kombu | Polysaccharides | ORAC: 1,247.22 mmol Trolox/g | (Cui et al., 2016) |
| Enteromorpha prolifera | Aonori | Polysaccharides | DPPH: 4.49 mg/ml (IC50) | (Xu et al., 2016) |
| Porphyra yezoensis | Nori | Porphyran (sulfated polysaccharide) | OH-radical scavenging: 32.7 μg/ml (IC50) | (Isaka et al., 2015) |
| Undaria pinnatifida | Wakame | Phlorotannin | MTT: 40 μg/ml | (Dong et al., 2019) |
| Hizikia fusiforme | Hiziki | Fucoidan | DPPH: 0.55 ± 0.06 mg/ml (IC50) | (Wang et al., 2020) |
| Chondrus crispus | Irish moss | Carotenoids | DPPH: 477.73 ± 35.66 µmol Trolox/Kg | (Pina et al., 2014) |
| Cladosiphon okamuranus | Mozuku | Fucoxanthin | DPPH: 1–10 µM | (Mise et al., 2011) |
| Caulerpa lentillifera | Sea grapes | Fatty acids | DPPH: 0.65 ± 0.03 mg/ml (EC50) | (Yap et al., 2019) |
| Palmaria palmata | Dulse | EPA (Polyunsaturated fatty acid) | DPPH: 171 ± 19.8 μg/ml (IC30) | (Lopes et al., 2019) |
| Gracilaria spp. | Ogonori | Polysaccharide | ABTS: 813.42 ± 194.58 μmol TE/100 g | (Torres et al., 2019) |
| Ulva lactuca | Sea lettuce | Ulvan (sulphated polysaccharide) | DPPH: 13.56 μg/ml (IC50) | (Yaich et al., 2017) |
| Alaria esculenta | Winged kelp | Phlorotannin | DPPH: 45.56 ± 5.09 mg/ml (IC50) | (Liu et al., 2017) |
| Eisenia bicyclis | Arame | Phenolics | ACW: 7.53 µmol AA/g | (Machu et al., 2015) |