corn sugar vs high-fructose corn syrup

corn sugar

noun
  • Dextrose, especially originating from corn starch 

  • A deceptive term for high fructose corn syrup developed by corn refiners meant to imply sugar 

high-fructose corn syrup

How often have the words corn sugar and high-fructose corn syrup occurred in a corpus of books? (source: Google Ngram Viewer )