Table 1.
Yield and chemical properties of sulfated polysaccharides according to algal species.
| Origin | Yield | Total Sugar | Mineral | pH † | Sulfate | ||||
|---|---|---|---|---|---|---|---|---|---|
| (%, dry) | (%, dry) | (%, dry) | (%, dry) | ||||||
| Brown algae | |||||||||
| Fucus vesiculosus (F85) * | Nt | ‡ | 83.5 | ±1.9 | 2.2 | ±0.6 | 5.31 | 14.0 | ±2.7 |
| Fucus vesiculosus (F95) * | Nt | 90.5 | ±1.2 | Nt | 9.46 | 7.5 | ±2.1 | ||
| Macrocytis pyrifera (M85) * | Nt | 82.1 | ±2.3 | Nt | 4.93 | 11.4 | ±0.4 | ||
| Undaria pinnatifida (U95) * | Nt | 89.5 | ±1.2 | Nt | 6.05 | 10.5 | ±2.1 | ||
| Hizikia fusiforme | 3.7 | ±0.6 | 65.2 | ±0.7 | 6.8 | ±3.1 | 7.14 | 6.5 | ±1.4 |
| Kjellmaniella crassifolia | 3.0 | ±0.4 | 75.1 | ±2.1 | 6.9 | ±0.2 | 7.81 | 8.6 | ±2.3 |
| Laminaria japonica | 2.8 | ±0.3 | 62.3 | ±3.2 | 7.1 | ±0.4 | 7.73 | 6.4 | ±0.6 |
| Sargassum honeri | 3.5 | ±1.1 | 63.5 | ±0.4 | 6.3 | ±0.3 | 7.43 | 5.2 | ±1.7 |
| Undaria pinnatifida | 2.9 | ±0.3 | 63.0 | ±0.3 | 7.6 | ±0.6 | 7.71 | 7.8 | ±1.4 |
| Green algae | |||||||||
| Capsosiphon fulvescens | 4.5 | ±1.2 | 67.1 | ±1.3 | 5.2 | ±0.3 | 7.65 | 2.5 | ±0.6 |
| Codium fragile | 5.7 | ±0.4 | 58.2 | ±1.1 | 11.4 | ±0.8 | 7.11 | Nd | § |
| Red alga | |||||||||
| Grateloupia flilicina | 28.5 | ±0.9 | 65.1 | ±3.7 | 3.8 | ±0.4 | 6.52 | 3.0 | ±1.2 |
Data, except for pH, expressed as the mean ± SD, in triplicate. * Commercial fucoidans; the numbers in round brackets indicate the purity of the fucoidan. † The samples were measured at a concentration of 2.5 mg mL−1 in DW. ‡ Not tested. § Not detected.