Table 7.
Effects of seaweed on antioxidant capacity in pigs.
Algae Supplement | Dose g/kg or g/day |
Animal | Antioxidant Effects | Treatment vs. Control, % |
Ref. |
---|---|---|---|---|---|
A. nodosum | Dried seaweed 5–10 g/kg | Weaned piglets, 6.59 kg LW |
Plasma TBARS a, FRAP b, α-tocopherol | NS | [60] |
Brown seaweed | Alginic acid olisaccharides (100 mg/kg) | Weaned piglets, 7.8 kg LW | Serum | [61] | |
T-AOC e SOD f CAT g MDA h |
+14% +20% +37% −26% |
||||
Brown seaweed | Alginates olisaccharides (100 mg/kg) | Weaned piglets, 6.2 kg LW | Serum | [62] | |
T-AOC CAT GSHi MDA |
+21% +28% +28% −10% NS |
||||
Brown seaweed | Alginates olisaccharides (100 mg/kg) | Weaned piglets, 6.2 kg LW | Duodenum | [92] | |
T-AOC | +45% | ||||
MDA | −40% | ||||
Jejunum | |||||
T-AOC | +39% | ||||
CAT | +22% | ||||
MDA | −36% | ||||
Ileum | |||||
T-AOC | +58% | ||||
CAT | +72% | ||||
MDA | –35% | ||||
Laminaria digitata | Wet (W) or spray dried (SD) seaweed LAM + FUC (0.5+0.4 g/kg) |
Pigs, 14.5 kg LW | Plasma TAS c LD muscle TBARS (refrig. storage 14 d) |
NS −29% SD −47% W |
[125] |
Laminaria digitata | LAM + FUC (0.45 or 0.9 g/kg) 3 or 6 weeks pre slaughter |
Pigs, 82 kg LW | Plasma TAS LD muscle TBARS (refrig. storage 14 d) 0.45 for 3 weeks 0.90 for 3 weeks |
NS −57% −60% |
[126] |
Laminaria spp. | LAM + FUC (0.18 + 0.33 g/kg) |
Pigs, 71 kg LW | Serum DPPH d LD muscle TBARS (refrig. storage 14 d) |
+400% −41% |
[124] |
LAM = Laminarin, FUC = Fucoidan; a TBARS, thiobarbituric acid-reactive substances; b FRAP, ferric reducing ability of plasma; c TAS, total antioxidant status; d DPPH, 2,2-diphenyl-1-picrylhydrazyl assay; e T-AOC, total antioxidant capacity; f SOD, superoxide dismutase; g CAT, catalase; h MDA, malondialdehyde; i GSH, glutathione.