Tripeptides and sweetening agents containing the same

Details Tripeptides and sweetening agents containing the same Tripeptides and sweetening agents containing the same

C - Chemistry, Metallurgy

07

K

530/5.08, 99/140

C07K 5/08 (2006.01) A23L 1/236 (2006.01) C07K 5/083 (2006.01) C07K 5/093 (2006.01) C07K 5/097 (2006.01)

Patent

CA 1292838

ABSTRACT Tripeptides of formula (I) and their salts wherein X is an amino acid residue linked, at its carboxyl group, to the amino group of L-aspartic acid through peptide bonding; Asp denotes an L-aspartic acid residue which is linked, at its amino group, to the amino acid residue X through peptide bonding and is connected, at its carboxyl group attached to the amino-substituted carbon atom, to the amino acid residue Y through peptide bonding; Y is an amino acid residue which is linked, at its amino group, to Asp through peptide bonding and is connected, at its carboxyl group, to an alcohol through ester bonding; OR is an alcohol residue linked, at its hydroxyl- group, to the amino acid residue Y through ester bond- ing; R is alkyl or cyclo alkyl; the amino acid residue X is a D- or DL-isomer except when it is glycine or .alpha.-amino-isobutyric acid; and the amino acld residue Y is an L-, D- or DL-isomer when it is not an amino acid having no center of optical activity, are suitable as sweeteners exhibiting soft sweetness.

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