Figure 1

Pictures of tomatoes coated by dipping and spraying at the beginning (T0) and after 30 days (Tf) of storage period at (a) room temperature (RT) and (b) 4 °C. Treatments that gave the best results are in black frames. Treatments: untreated fruits (Ctrl-), solvent, coating with 0.5 and 1% of commercial chitosan (Comm CS), heterogeneous unbleached (Het Unbl CS), heterogeneous bleached (Het Bl CS), homogeneous unbleached (Hom Unbl CS), homogeneous bleached (Hom Bl CS) chitosan from H. illucens pupal exuviae.