Flavour enhancers approved for use in food by the European Commission

Food additives permitted in the EU: flavour enhancers

Below is a review of some flavour enhancers, such as glutamic acid and some nucleotides, present in the list of food additives approved in the European Community on the basis of the European Commission regulation No 1129/2011 published on 11 November 2011. This list is an amendment of Annex II to Regulation (EC) No. 1333/2008 of the European Parliament, that was then modified in 2013. The list in its entirety is available, in PDF and HTML format and in the different European languages, by following the link in the References.

E620, E621, E622, E623, E624, E625, E626, E627, E628, E629, E630, E631, E632, E633, E634, E635, E640, E650
Flavour enhancers: amino acids
E620     Glutamic acid
E621     Monosodium glutamate
E622     Monopotassium glutamate
E623     Calcium diglutamate
E624     Monoammonium glutamate
E625     Magnesium diglutamate
E640     Glycine and its sodium salt
Flavour enhancers: nucleotides
E626     Guanylic acid
E627     Disodium guanylate
E628     Dipotassium guanylate
E629     Calcium guanylate
E630     Inosinic acid
E631     Disodium inosinate
E632     Dipotassium inosinate
E633     Calcium inosinate
E634     Calcium 5′-ribonucleotides
E635     Disodium 5′-ribonucleotides
Other compounds
E650     Zinc acetate


  1. Bender D.A. “Benders’ Dictionary of Nutrition and Food Technology” 8th ed. Woodhead Publishing. Oxford, 2006
  2. Commission Regulation (EU) No 1129/2011 of 11 November 2011 amending Annex II to Regulation (EC) No 1333/2008 of the European Parliament and of the Council by establishing a Union list of food additives. https://eur-lex.europa.eu/eli/reg/2011/1129/2013-11-21

Biochemistry, metabolism, and nutrition