Within non-dairy fermented beverages, water kefir is prepared with a sucrose solution with or without fruit extracts (Schneedorf, 2012) fermented by kefir grains, which consist of mainly lactic acid bacteria (LAB) and yeasts included into a polysaccharide matrix named kefiran (Rodrigues, Caputo, Carvalho, Evangelista, & Schneedorf, 2005