Table 1.
Typical storage and structural polysaccharides of the three macroalgae groups and the monosugars resulting from their complete hydrolysis.
| Seaweed group |
Examples | Polysaccharides |
Major monosaccharides upon hydrolysis |
||
|---|---|---|---|---|---|
| Storage | Structural | Storage | Structural | ||
| Red |
Gelidium sesquipedale, Gracilaria sp. |
Floridean starch | Cellulose Agar |
glucose | glucose D-galactose anhydro-D-galactose (L- AHG) |
|
Chondrus crispus Gigartina papillata |
Cellulose Carrageenan |
glucose D-galactose anhydro-D-galactose (L-AHG) |
|||
| Green |
Ulva lactuca, Ulva pertusa |
Starch | Ulvan | glucose | glucose xylose L-rhamnose glucuronic acid iduronic acid |
| Cellulose | glucose | ||||
| Brown |
Laminaria hyperborea, Fucus vesiculosus, Macrocystis pyrifera |
Laminarin + mannitol |
Alginate | glucose + mannitol | mannuronic acid guluronic acid |
| Fucoidan | fucose D-xylose D-galactose D-mannose glucuronic acid |
||||
| Cellulose | glucose | ||||