blood sugar vs sucrose

blood sugar

noun
  • Glucose in the blood. 

  • The amount of glucose in a person's blood. 

sucrose

noun
  • A disaccharide with formula C₁₂H₂₂O₁₁, consisting of two simple sugars, glucose and fructose; normal culinary sugar. 

How often have the words blood sugar and sucrose occurred in a corpus of books? (source: Google Ngram Viewer )