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Behind Every Crunch: The Surprising Science of Potato Chips

  • David Douches, a Michigan State University professor, leads the Potato Breeding and Genetics Program, developing new chipping potato varieties that take up to 15 years to breed.
  • Historically, farmers stored potatoes at 50 degrees Fahrenheit, but colder temperatures caused sugar levels to rise, darkening chips, while warmer conditions risked rot.
  • His new bioengineered potato can be stored at 40 F , maintaining sugar balance. The Mackinaw potato resists common diseases and stores until July, unlike traditional varieties.
  • Better Made Snack Foods, a Detroit company producing chips since 1930, now sources local potatoes year-round using these varieties, supporting Michigan's $2.5 billion potato industry.
  • The National Chip Program evaluates around 225 potato varieties annually, selecting 100 for trials. Around 70% of Michigan's potato crop is destined for chip processing, according to the Michigan Ag Council.
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Behind every crunch: The surprising science of potato chips

Behind the humble potato chip are researchers constantly thinking up new ways to make potatoes tastier, hardier and more adaptable.

·Birmingham, United States
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Associated Press NewsAssociated Press News
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Researchers have spent decades breeding better potatoes for chips, and their work isn't done

There’s a surprising amount of science in a bag of potato chips. Researchers have spent decades developing chipping potatoes that can grow in all kinds of climates, avoid diseases and pests, sit in storage for months and still deliver a satisfying crunch.

·United States
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abc News broke the news in United States on Wednesday, April 22, 2026.
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