dextrin vs polysaccharide

dextrin

noun
  • Any of a range of oligomers of glucose, intermediate in complexity between maltose and starch, produced by the enzymatic hydrolysis of starch; used commercially as adhesives. 

polysaccharide

noun
  • A polymer made of many saccharide units linked by glycosidic bonds. 

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