E600-E699: Flavor Enhancers
22 E-numbers in this range
E620 Glutamic Acid safe E621 Monosodium Glutamate (MSG) safe E622 Monopotassium Glutamate safe E623 Calcium Diglutamate safe E624 Monoammonium Glutamate safe E625 Magnesium Diglutamate safe E626 Guanylic Acid safe E627 Disodium Guanylate safe E628 Dipotassium Guanylate safe E629 Calcium Guanylate safe E630 Inosinic Acid safe E631 Disodium Inosinate safe E632 Dipotassium Inosinate safe E633 Calcium Inosinate safe E634 Calcium 5'-ribonucleotides safe E635 Disodium 5'-ribonucleotides safe E640 Glycine safe E641 L-Leucine safe E642 Lysozyme safe E650 Zinc Acetate safe E660 Citric Acid (flavor use) unknown E666 Propyl Gallate (flavor context) unknown