Table 8.
Structure and structure-activity-relationship of polysaccharide from Enteromorpha.
| Type | Extraction method | Monosaccharide composition | Molecular weight/kDa | Structure characteristics | Function | References |
|---|---|---|---|---|---|---|
| Enteromorpha | Hot water extraction | Rha: Glc: Xyl: Gal: GlcA=4.90: 1.80: 1.30: 0.90: 1.40 | 55.00 kDa | 6.00% sulfate | Antiviral | (136) |
| Enteromorpha | Ethanol extraction | Rha: Xyl: Gal: Glc=5.36: 1.00: 0.57: 0.64 | 46.80 kDa | 9.60% sulfate | Anti-tumor | (137) |
| Enteromorpha | Extraction with sodium hydroxide | Rha: Xyl: Man: Glc: Gal=2.40: 1.00: 0.23: 0.21: 0.18 | - | 17.40% sulfate | Immunomodulation and anti-oxidation | (138) |
| Enteromorpha | Microwaveassistance acid hydrolysis method | Rha: Man: Glc: Gal: Xyl: Fuc=1.00: 0.05: 1.03: 0.09: 0.28: 0.01 | 3.10 kDa | 24.40% sulfate | Anti-oxidation | (139) |
| Enteromorpha | Enzymatic hydrolysis | Rha: GlcA: Glc: Xyl: Gal=4.16: 3.60: 2.07: 1.00: 0.46 | 44.10 kDa | - | Anti-diabetes | (140) |
| Enteromorpha | Water extraction-alcohol precipitation method | Rha: GlcA: Ara: Fuc: Xyl: Glc=5.12: 1.32: 3.38: 1.62: 1.00: 1.03 | - | α-glucosidic bonds | Hypolipidemia | (141) |
| Enteromorpha | Acid extraction | Rha: GlcA: Glc: Xyl=1.00: 0.37: 1.16: 0.23 | 41.10 kDa | 16.20% sulfate | High iron(III) chelating capacity | (142) |
| Enteromorpha | Hot water extraction | Rha: Glc: Gal: Xyl: Ara=1.48: 1.00: 0.13: 0.30: 0.06 | 147.80 kDa | 15.53% sulfate | Anti-oxidation | (143) |
| Enteromorpha | Enzymatic hydrolysis | GlcN: Glc: GalA: Man: Xyl: Gal: Ara: GlcA: Fuc: GalN: Rib=5.08: 2.77: 1.17: 0.28: 0.26: 0.20: 0.09: 0.08: 0.03: 0.02: 0.02 | 1156.00 kDa | 19.87% sulfate | Immunomodulation | (144) |