2.Material & Methods
The fruit purees studied were realized with peach, apple and pear. The peach and apple purees were produced in 2008 and 2009 and the pear purees in 2007, 2008 and 2009. The samples were supplied by a local factory, Italfrutta S.r.l (Rovigo, Italy). The fruit purees were stored in aseptic bag at room temperature.