Table 2.

The main alginate types from brown algae depend on the source, M/G ratio, molecular weight, and viscosity. Nd: not determined.

Source	M (%)	G (%)	Molecular Weight (kDa)	Viscosity (dL/g)	References
Laminaria hyperborea	25–35	75–65	91.902	6.4	[142,149,150]
Laminaria digitata	53–60	40–47	114–132	2.4	[90,113]
Macrocystis pyrifera	61	39	146–264	12.1	[142,151,152,153]
Fucus vesiculosus	53.4–59	41–46.6	125–154.9	2.5	[150,154,155]
Sargassum fluitans	54.2	45.8	300	6.3	[150,154,156]
Sargassum vulgare	44–56	44–56	110–194	5.26–9.10	[150,157,158]
Laminaria japonica	65–72	28–35	770	15.4	[44]
Ascophyllum nodosum	46	54	177.3	2.8	[142,150,155]
Saccharina longicruris	41	59	106.6	Nd	[142,155]
Durvillaea antartica	68–71	29–32	Nd	7.82	[136,142,159]