Flavour enhancers are substances which enhance the existing taste and/or odour of a foodstuff.

Code Material CEFF approved
E 270 Lactic acid Yes Yes
E 296 Malic acid Yes Yes
E 325 Sodium lactate Yes Yes
E 508 Potassium chloride Yes Yes
E 620 Glutamic acid No No
E 621 Monosodium glutamate No No
E 622 Monopotassium glutamate No No
E 623 Calcium diglutamate No No
E 624 Monoammonium glutamate No No
E 625 Magnesium diglutamate No No
E 626 Guanylic acid Yes Yes
E 627 Disodium guanylate Yes Yes
E 628 Dipotassium guanylate Yes Yes
E 629 Calcium guanylate Yes Yes
E 630 lnosinic acid Yes Yes
E 631 lnosinic acid Yes Yes
E 632 Dipotassium inosinate Yes Yes
E 633 Calcium inosinate Yes Yes
E 634 Calcium 5'-ribonucleotides Yes Yes
E 635 Disodium 5'-ribonucleotides Yes Yes
E 640 Glycine and its sodium salt Yes Yes
E 641 Yes Yes
E 642 Yes Yes
E 650 Zinc acetate Yes Yes
E 950 Acesulfame K No No
E 951 Aspartame No No
E 957 Thaumatin No No
E 968 Erythritol No No