薯片和零食 来自爱荷华州

Sterzing's Potato Chips reformulated its recipe to meet the deadline of the 2015 U.S. Food and Drug Administration mandate banning oils that contain trans fat. At first that didn't go too well...

New research from an Iowa State University economist, Wallace Huffman, found consumers were willing to spend more for genetically modified potato products with reduced levels of a chemical compound linked to cancer.