Nixtamalization is a process for the preparation of maize, or other grain, in which the grain is soaked and cooked in an alkaline solution, usually limewater, washed, and then hulled. The term can als
An 1836 lithograph of tortilla production in rural Mexico
Dry maize, untreated (left) and boiled in lime (right). In this case, typical of El Salvador, 1 pound (450 g) is boiled with 1 tbsp (15 mL) of lime for 15 minutes, left to stand for a few hours, and washed with fresh water. The hulls are removed, and the kernels ground into masa. Exact methods vary by use and region.[citation needed]