Table 4.
Yield (% PS) and chemical composition of CE (conventional), MAE (microwave) and PLE (pressurised liquid) extracted polysaccharides from Fucus virsoides and Cystoseira barbata.
| % PS | Total Sugar (%) | Fucose (%) | Sulfate Group (%) | Uronic Acid (%) | ||
|---|---|---|---|---|---|---|
| F. virsoides | p ≤ 0.05 † | p ≤ 0.05 † | p ≤ 0.05 † | p ≤ 0.05 † | p ≤ 0.05 † | |
| CE | 18.53 ± 0.00 a | 20.17 ± 0.00 c | 41.54 ± 0.01 a | 28.46 ± 0.01 a | 20.06 ± 0.00 c | |
| MAE | 20.42 ± 0.28 a | 15.65 ± 0.09 a | 48.48 ± 1.36 b | 37.13 ± 0.26 b | 15.93 ± 0.77 b | |
| PLE | 24.22 ± 0.94 b | 18.24 ± 0.13 b | 60.08 ± 0.22 c | 51.82 ± 1.72 c | 5.32 ± 0.51 a | |
| C. barbata | p ≤ 0.05 † | p ≤ 0.05 † | p = 0.11 ‡ | p ≤ 0.05 † | p ≤ 0.05 † | |
| CE | 16.47 ± 0.18 a,b | 6.34 ± 0.18 a,b | 22.53 ± 0.14 a | 35.53 ± 0.80 a | 15.72 ± 0.34 c | |
| MAE | 15.27 ± 0.17 a | 7.14 ± 0,53 b | 26.61 ± 2.15 a | 45.56 ± 0.34 b | 12.52 ± 0.08 b | |
| PLE | 18.77 ± 0.82 b | 4.40 ± 0.19 a | 28.06 ± 0.44 a | 57.58 ± 2.19 c | 7.15 ± 0.36 a | |
Values with different letters are statistically different at p ≤ 0.05. † Statistically significant variable at p ≤ 0.05. ‡ Statistically insignificant variable at p ≤ 0.05.