Rigatoni smaller version, close to the size of penne. Their name takes on the diminutive suffix "-ino" (pluralized "-ini") denoting their relative size. Rigatoni is a particular favorite pasta shape in the south of Italy, especially in Sicily. Its namesake ridges make better adhesive surfaces for sauces and grated cheese than smooth-sided pasta like ziti. 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
Regulation of food and dietary supplements by the U.S. Food and Drug Administration "drug" under the act includes a section defining drugs as "articles ("other than food") intended to affect the structure or any function of the body of man or other animals". Thus, the definition of food is important not only in determining what is covered by the regulatory regime for food, but in determining what is "excluded" from the regulatory regime for drugs. For example, in the 1983 case of "Nutrilab, Inc. v. Schweiker", the United States Court of Appeals for the Seventh Circuit found that starch blockers, though derived from kidney beans, were drugs rather than food under the meaning