such that storage time was extended and nutritional content was
preserved. The particular properties of bentonite contributed to
the coatings having preservative effects not seen when using
chemical treatment alone. Similar results were reported in earlier
publications (Perdonesa et al., 2012; Djioua et al., 2010; Freire
et al., 2005; Hoa and Ducamp, 2008). In most of the indexes, there
were better performances in the group with the bentonite/potassium
sorbate coating, which suggests a cooperative action between
bentonite and potassium sorbate