Table 1.

Structural forms and chemical formulas of curdlan produced by different bacterial species.

Molecular form	Chemical formula	Source	References
(1, 3)-β-D-glucans (linear glucan)		Agrobacterium sp.	(27)
(1, 3, 1, 2)-β-D-glucan (branched glucan)		Streptococcus sp.	(28)
β-(1, 3, 1, 6)-β-D-glucan (cyclic glucan)		Rhizobium sp.	(29)