Table 2.

Microbial species used in the biosynthesis of curdlan and the yields achieved by different species.

Source	Microbial species	Concentration achieved	References
Bacterial source	Alcaligenes spp.	72 g/L	(4)
	Agrobacterium spp.	41.24 g/L	(5)
	Paenibacillus spp.	6.89 g/L	(6)
	Rhizobium spp.	31 g/L	(7)
Yeast source	Saccharomyces cerevisiae	5–90%	(8)
	Candida albicans	ND	(9)
Fungal source	Aureobasidium pullulan	33 g/L	(10)
	Poria cocos	90% dry weight	(11)

ND, not described.