Behind the scenes: Duluth factory is the country’s only producer of popular ingredient
DULUTH, Minn.–Whenever you decide to crack open a bag of salt and vinegar chips or break into a bag of some sour candy you’ve likely tasted malic, or fumaric acid. For 47 years, a key ingredient found in many popular food items has been made right here in Duluth. The factory, Primient Duluth, is the country’s only producer of the…



