Introduction Walk into a food processing plant, a pharmaceutical factory, a poultry farm, or a distillery — and somewhere in that supply chain, you will almost certainly find a product derived from grain processing. Corn starch might be binding a tablet. Native starch could be thickening a sauce. HFCS 55 might be sweetening a soft drink. DDGS in poultry feed might be fueling a broiler's growth. And extra neutral alcohol could be the base of a premium spirit sitting on a shelf