All in all, the applicability of six different strategies for sodium
reduction in pizza crust without any topping was evaluated by
means of 2-AFC tests (Table 1). In case of positive results, further
studies including TI analyses and sodium release measurements
were carried out. These six strategies covered the three main
approaches towards sodium reduction described by Busch et al.
(2013). Cognitive mechanisms towards shifting saltiness preferences
were assessed using pizza crusts with reduced sodium contents.
In this way, consumers adjust to lower salt contents and get
used to them without becoming aware of the consecutive small
reduction steps (Girgis et al., 2003). The partial replacement of
NaCl by KCl counted among chemical stimulation. Optimized product
formulations were attempted using Soda-Lo, coarse- and
medium-grained salt, and aqueous salt solutions sprayed onto
the surface of pizza crusts.