Rigatoni Rigatoni Rigatoni are a form of tube-shaped pasta of varying lengths and diameters originating in Italy. They are larger than penne and ziti, and sometimes slightly curved, though nowhere near as curved as elbow macaroni. Rigatoni characteristically have ridges down their length, sometimes spiraling around the tube, and unlike penne, rigatoni's ends are cut square (perpendicular) to the tube walls instead of diagonally. The word "rigatoni" comes from the Italian word "rigato" ("rigatone" being the augmentative and "rigatoni" the plural form), which means "ridged" or "lined", and is associated with the cuisine of southern and central Italy. Rigatoncini are a
Pasta processing cylinder also has an air vacuum chamber which removes air bubbles from the dough before extruding. Otherwise small bubbles will form in the pasta and decreases the mechanical strength which cause breakage from hours to days after drying. The air also oxidizes the carotenoid or xanthophyll which results in a white, chalky appearance of the pasta. There are different types and shapes of dies to form various shapes of pasta. Generally, pastas are categorized into two large groups: long pasta (like spaghetti, fettuccine, linguine and etc.) and short pasta (like elbow-shaped macaroni, penne, shells and etc.). Circular dies with rotating