E1400 when used as a food additive vs dextrin

E1400 when used as a food additive

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. 

How often have the words E1400 when used as a food additive and dextrin occurred in a corpus of books? (source: Google Ngram Viewer )