corn sugar vs high fructose corn syrup

corn sugar

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

  • Dextrose, especially originating from corn starch 

high fructose corn syrup

noun
  • Any of many corn syrups that has undergone an enzymatic processing to convert some of its glucose into fructose to produce a desired sweetness 

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