Novel aspartyl dipeptide ester derivatives and sweeteners

摘要

There are provided novel aspartyl dipeptide ester derivatives (including salts thereof) such as N-ÄN-Ä3-(3-hydroxy-4-methoxyphenyl)propylÜ-L- alpha -aspartylÜ-L-( alpha -methyl)phenylalanine 1-methyl ester which are usable as sweeteners, and sweeteners, foods and the like containing the same. These derivatives are usable as low-calory sweeteners especially excellent in the degree of sweetness in comparison with the conventional products.