Roasting or toasting is a typical dry heating food processing operation having different objectives to meet certain specific requirements. A number of food ingredients and products are subjected to dry roasting or toasting without using oil and water.

Roasting manifests a profound change in the moisture content, appearance, taste, aroma and texture, and inactivates enzymes and microorganisms, enhancing the shelf-life of the product and also changing the nutritional value of the product.

Due to its unique configuration, the SPIRAJOULE can ensure an improved roasting flavor, a gentle mixing and a homogeneous thermal treatment to the different kind of produtcs such as nuts, almonds or powders.

A wide range of product color and taste is available with the SPIRAJOULE as the spiral temperature as well as the  time residence of the product is precisely controllable.