Basic salts of...

C - Chemistry – Metallurgy – 07 – K

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C07K 5/06 (2006.01) A23L 1/236 (2006.01) C07K 5/072 (2006.01)

Patent

CA 2303435

Dipeptide sweeteners are disclosed that are basic salts of N-[N-(3,3- dimethylbutyl)-L-.alpha.-aspartyl]-L-phenylalanine 1-methyl ester represented by formula (I) wherein Xm+ is selected from the group consisting of Na+, K+, Al3+, Fe2+, Fe3+, Ca2+, Mg2+, NH4+ and Zn2+; Qs- is absent or a physiologically acceptable counter anion; and m-s=n. Also disclosed is a liquid low-calorie sweetener containing such basic salts.

L'invention concerne des édulcorants de type dipeptide qui sont des sels basiques de N-[N-(3,3-diméthylbutyl)-L-.alpha.-aspartyl]-L-phénylalanine 1-méthyl ester représentés par la formule (I). Dans ladite formule, X?m+¿ est choisi parmi le groupe comprenant Na?+¿, K?+¿, Al?3+¿, Fe?2+¿, Fe?3+¿, Ca?2+¿, Mg?2+¿ NH¿4??+¿ et Zn?2+¿; Q?s-¿ est absent ou bien un contre-anion physiologiquement acceptable; en outre, m-s=n. L'invention concerne également un édulcorant liquide basses calories renfermant les sels basiques en question.

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