Table 1.

Beta-glucan types and structural differences

Glucan	source		Linkages	MW (kDa)	Reference
	taxon	species
baker’s yeast glucan	yeast	Saccharomyces cerevisiae	β-(1,3) β-(1,6)	35–5000	54
barley glucan	plant	Hordeum vulgare	β-(1,3) β-(1,6)	23–137	Producer’s Insert
curdlan	bacteria	Alcaligenes faecalis	β-(1,3) β-(1,6)	53–2000	55
laminarin	algae	Laminaria digitata	β-(1,3) β-(1,6)	3.5–7.7	56–57
lichenan	lichen	Cetraria islandica	β-(1,3) β-(1,6)	20–35	58
oat glucan	plant	Avena sativa	β-(1,3) β-(1,6)	1–300	59–60
pachyman	fungi	Poria cocos	β-(1,3) β-(1,6)	21–100	55
paramylon	algae	Euglena gracilis	β-(1,3)	118	61
pullulan	fungi	Aureobasidium pulllan	α-(1,4) α-(1,6)	200	62
pustulan	lichen	Umbilicaria sp.	β-(1,6)	20	58
schizophyllan	fungi	Schizophyllum commune	β-(1,3) β-(1,6)	76.8–450	56
scleroglucan	fungi	Sclerotium rolfsii/glucanicum	β-(1,3) β-(1,6)	1000–5000	56, 63
xyloglucan	plant	tamarind	β-(1,4)	202	Producer’s Insert