Corn syrup comes from corn, specifically from the starch inside the kernels of field corn (usually yellow #2 dent corn), not sweet corn on the cob.

Quick Scoop

  • Farmers grow field corn , then processors separate out the starchy part of each kernel.
  • That starch is mixed with water to make a thick slurry.
  • Special acids or enzymes break the long starch chains into many small sugar molecules (mostly glucose), creating a clear, sweet liquid called corn syrup.
  • A bushel of this dent corn can yield over 14 kg of starch, which then becomes slightly more syrup by weight after processing.

From cornfield to bottle

  1. Corn is harvested (mainly industrial yellow #2 dent corn in the U.S. Midwest and similar regions).
  1. Kernels are “wet milled”: soaked, softened, and separated into starch, protein, fiber, and oil.
  1. The purified starch is combined with water, forming a slurry.
  1. Enzymes like α‑amylase and others (or historically, acids) chop the starch chains into shorter sugars, turning the slurry into glucose syrup.
  1. The liquid is filtered, clarified, and concentrated to the thickness you see in a bottle of corn syrup.

So when you ask “where does corn syrup come from,” the answer is: from industrial field corn starch that’s enzymatically broken down into glucose syrup in large processing plants, especially in major corn‑growing regions like the U.S. Midwest.

Information gathered from public forums or data available on the internet and portrayed here.