Gellan gum forms thermo-reversible gels at low concentrations
(0.01–0.20%) in the presence of divalent cations (Ca2+ and Mg2+);
as a consequence, its usage has expanded and it is found in various
products as a gelling agent that adds texture and stability
(Yamamoto & Cunha, 2007). The gel characteristics depend mainly
on the degree of substitution, pH, concentration and temperature.
In the replaced form (HAG), elastic gels are produced, but in the
non-replaced form (LAG), the formation of strong and brittle gels
is favored (Abramoviˇc & Klofutar, 2006).