In particular, in the first step of the experimental design, apples with an average moisture of 15 ± 0.1 g 100 g1 and a soluble solids content expressed as Brix of 12.4 ± 0.3 were selected whilst in the second step of the experimental design, apples with an average moisture content of 13 ± 0.1 g 100 g1 and a soluble solids content of 12.5 ± 0.3 Brix were used.