Regulators long ago blessed the use of genetically modified organisms to grow such staple foods as corn and sugar beets. Scientific consensus backs the regulators.
But in an age of "Big Food" skepticism, consumers have increasingly become wary of GMOs, the acronym itself striking a menacing tone.
"I am trying to be much more aware of pesticides and GMOs," said Patty Crater of Edina as she recently left a Cub Foods supermarket. "It's in the back of my mind all of the time."
Indeed, a study earlier this year by a prominent research group shows a greater divide on the GMO issue between scientists and consumers than even climate change. The same survey showed 50 percent of consumers look for labels indicating the absence of GMOs.
Food manufacturers are squarely in the middle of the debate. They're courting consumers' wariness by increasingly slapping "no GMO" labels on products bereft of the controversial technology. At the same time, they're quashing efforts for mandatory labeling of food that does include GMO ingredients.
Foodmakers such as Minnesota's General Mills, Hormel and Land O'Lakes have spent tens of millions of dollars to fight mandatory labeling, winning a victory last week when the U.S. House passed a bill that forbids states from forcing companies to add to labels when ingredients are GMO.
While the Republican-backed bill killing mandatory GMO labeling clearly gives the food industry what it wants, how much it actually threatens consumers is not clear at all.
"My constituents, like most Americans, have no idea what a GMO is," Rep. Collin Peterson, D-Minn., said recently. "It's a term created by the green movement in Europe to give a bad name to something."