| abstract |
Substituted glutamic acid derivatives according to the formula (I) or their physiologically acceptable salts n n n n n n n n n n n n wherein n X is selected from hydrogen, methyl or ethyl, n Y is selected from hydrogen, methyl or ethyl, n Z is Cl, Br, F or I, and n R 1 and R 3 together with the bonds through which they are connected, forms a 5-membered ring, or n R 2 and R 3 together with the bonds through which they are connected, forms a 3-membered ring n are useful to impart, enhance or modify umami- and/or salt taste in a comestible product. |