dextrose vs sucrose

dextrose

noun
  • The naturally-occurring dextrorotatory form of glucose monosaccharide molecule. 

sucrose

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

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