Table 3.

Biological activity of kefiran.

Exopolysaccharide	Biological activity	Reference
Kefiran	Reduction of blood pressure induced by hypertension	Maeda et al., 2004
	Favors the activity of peritoneal macrophages
	Increase in peritoneal IgA	Duarte et al., 2006
	Antitumoral activity	Liu et al., 2002
	Antimicrobial activity	Rodrigues et al., 2005a
	Modulation of the intestinal immune system and protection of epithelial cells against Bacillus cereus exocellular factors	Medrano et al., 2008; Piermaria et al., 2010