Table 1.

LAB EPSs isolated from fermented beverages.

EPS Type	EPS Structure	Species	Niche	Implicated Genes	Consequences/Role of EPS	Reference
homopolysaccharides	β-glucan	Oenococcus oeni	wine, cider	gtf	ropy character, stress resistance	[17,18,19]
	β-glucan	Pediococcus damnosus	cider	gtf	ropy character	[17,20,21,22,23]
	β-glucan	Pediococcus parvulus	cider, wine	gtf	ropy character, stress resistance	[18,23]
	β-glucan	Pediococcus ethanolidurans	cider	-	ropy character	[24]
	β-glucan	Pediococcus claussenii	beer	gtf	ropy character	[25,26]
	β-glucan	Lactobacillus brevis	beer	gtf2	ropy character, ethanol tolerance, biofilm formation	[26,27]
	β-glucan	Lactobacillus diolivorans	cider	gtf	-	[17]
	β-glucan	Lactobacillus suebicus	cider	gtf	ropy character	[28,29]
	β-glucan	Lactobacillus spp.	cider	-	ropy character	[30]
	a-glucan	Leuconostoc pseudomesenteroides, Weissella confusa	beer	dsr	increased viscosity	[31]
	dextran	Leuconostoc pseudomesenteroides	homemade wine	-	-	[32]
	glucan and fructan	Leuconostoc mesenteroides	grape must and wine	Glucosyltransferase gene	more or less mucoid strains	[33]
	dextran and levan	Oenococcus oeni	wine	dsrO and levO	lyoprotective ability to freeze-drying process	[15,34,35]
heteropolysaccharides	glucose, galactose, rhamnose	Oenococcus oeni	wine	eps cluster	aromatic complexity, biofilm formation, capsule, lyoprotective ability to freeze-drying	[15,34,35,36]
	glucose, galactose, galactofuranose	Lactobacillus suebicus	cider	gtf	ropy character	[28,29]
	glucose, galactose, N-acetyl-glucosamine, phosphate	Lactobacillus suebicus	cider	eps cluster	ropy character	[37]
	glucose, galactose, glucosamine	Pediococcus ethanolidurans	cider	-	ropy character	[24]