Dry cherry tomato: innovation from studies on isotherms

The drying of vegetables is a very ancient practice for food preservation still in use nowadays. Tomatoes cut into two parts, added with salt and dried are an important element of the food tradition in south of Italy. The tomato’s drying in Sicily is still carried out with a sun-drying process, with an empiric method. The final product obtained has a high quality which it is not homogeneous. In addition to dried products, the market offer even semidry products, to limit the loss of the nutritional characteristics of the dried product. The semidry product is a special category of dehydrated products that have a residual moisture content about 30%; for this reason, nutritional product charact…