Enrichment of extruded snacks with tomato derivatives enhances their nutritional attributes by adding lycopene and fibre This work has shown that lycopene can be retained in the extruded snacks Although the amount of lycopene retained after extrusion was very low, variation in the chemical composition of the base ingredients especially increases in the starch content, improved the retention values Furthermore, if physically resistant material,such as tomato skin is used as a source of lycopene, higher levels can be retained in the final product.