Abstract: A flavour composition comprising a compound according to the formula (I) and edible salts thereof, wherein R1 is an alkyl residue containing 6 to 20 carbon atoms, or an alkene residue containing from 9 to 25 carbon atoms with 1 to 6 double bonds, R1 together with the carbonyl group to which it is attached is a residue of a carboxylic acid, and m is 0 or 1.

Abstract: A powder flavour composition comprising a compound according to the formula (I) or edible salts thereof, and at least one flavour co-ingredient wherein R1 is an alkyl residue containing 6 to 20 carbon atoms, or an alkene residue containing from 9 to 25 carbon atoms with 1 to 6 double bonds, R1 together with the carbonyl group to which it is attached is a residue of a carboxylic acid, and NR2R3, in which R3 is H or together with R2 and the N-atom to which they are attached, a 5-membered ring, is a residue of an amino acid, in particular a proteinogenic amino acid, ornithine, gamma-aminobutyric acid or beta alanine, or a 1-amino cycloalkyl carboxylic acid.

Abstract: Compounds represented by the formula and their edible salts, and edible compositions containing same wherein R1 is an alkyl residue containing 6 to 20 carbon atoms, or an alkene residue containing from 9 to 25 carbon atoms with 1 to 6 double bonds, such that R1 together with the carbonyl group to which it is attached is a residue of a carboxylic acid, and the amino acid residue connected to the carbonyl carbon atom is a residue of a 1-amino cycloalkane carboxylic acid (ACCA), and n is 1, 2, 3 or 4.

Abstract: This disclosure relates to flavour modification and to compounds of formula (I) wherein R1 is selected from C6-C20 alkyl, and C9-C25 alkenyl, R5 is C1-C3 alkyl, and a) n is 1; and i) R3 and R4 are hydrogen and R2 is the residue of a proteinogenic amino acid; ii) R2 and R3 are methyl and R4 is hydrogen; or R4 is hydrogen and R2 and R3 form together with the carbon atom to which they are attached cyclopropyl; iii) R2 is hydrogen, and R3 and R4 together are —CH2—CH2—CH2—; b) n is 2 or 3 and R2, R3 and R4 are hydrogen, useful in modifying flavours.

Abstract: This disclosure relates to flavour modification and to compounds of formula (I) wherein R1 is selected from C6-C20 alkyl, and C9-C25 alkenyl, and i) R3 and R4 are hydrogen and R2 the residue of a proteinogenic amino acid; ii) R2 and R3 are methyl and R4 is hydrogen; or R4 is hydrogen and R2 and R3 form together with the carbon atom to which they are attached cyclopropyl; iii) R2 is hydrogen, and R3 and R4 together are —CH2—CH2—CH2—, useful in modifying flavours.

Abstract: This disclosure relates to flavour modification and to compounds of formula (I) or edible salts thereof, wherein R1 is selected from C6-C20 alkyl, and C9-C25 alkenyl, and i) R3 and R4 are hydrogen and R2 the residue of a proteinogenic amino acid; ii) R2 and R3 are methyl and R4 is hydrogen; or R4 is hydrogen and R2 and R3 form together with the carbon atom to which they are attached cyclopropyl; iii) R2 is hydrogen, and R3 and R4 together are —CH2—CH2—CH2— useful in modifying flavours.

Abstract: A compound (including salts thereof) according to Formula I in which R1 is H, methyl or ethyl; R2 is H, OH, fluorine, C1-C4 linear or branched alkyl, C1-C6 alkoxy wherein the alkyl group is linear or branched, or a C3-C5 cycloalkyl moiety; R3 is H, methoxy, methyl or ethyl; or R2 and R3 together form a bridging moiety —O—CH2—O— between the phenyl carbon atoms to which they are connected; R4 is OH or methoxy; and R5 and R6 are independently H or methyl; R1, R2, R3, R4, R5 and R6 are such that, (i) when R2 and R3 together form a bridging moiety —O—CH2—O— between the phenyl carbon atoms to which they are connected, R1, R5, R6 are H, and R4 is OH; and (ii) when R4 is OH and R1-R3 are H, at least one of R5, R6 is methyl.

Abstract: The use of a compound according to formula (I) or the edible salts thereof in an edible composition to mask or modulate an undesired taste or off-taste contained in the edible composition wherein R1 is an alkyl residue containing 6 to 20 carbon atoms, or an alkene residue containing from 9 to 25 carbon atoms with 1 to 6 double bonds, R1 together with the carbonyl group to which it is attached is a residue of a carboxylic acid, and NR2R3, in which R3 is H or together with R2 and the N-atom to which they are attached, a 5-membered ring, is a residue of an amino acid, in particular a proteinogenic amino acid, ornithine, gamma-aminobutyric acid or beta alanine, or a 1-amino cycloalkyl carboxylic acid.

Abstract: A flavour composition comprising a compound according to the formula (I) or edible salts thereof, wherein R1 is an alkyl residue containing 6 to 20 carbon atoms, or an alkene residue containing from 9 to 25 carbon atoms with 1 to 6 double bonds, R1 together with the carbonyl group to which it is attached is a residue of a carboxylic acid, and NR2R3, in which R3 is H or together with R2 and the N-atom to which they are attached, a 5-membered ring, is a residue of an amino acid, in particular a proteinogenic amino acid, ornithine, gamma-aminobutyric acid or beta alanine, or a 1-amino cycloalkyl carboxylic acid.

Abstract: A flavour composition comprising a compound of formula (I) corresponding to the formula and edible salts thereof, wherein R1 is an alkyl residue containing 6 to 20 carbon atoms, or an alkene residue containing from 9 to 25 carbon atoms with 1 to 6 double bonds, R1 together with the carbonyl group to which it is attached is a residue of a carboxylic acid.

Abstract: A flavour composition comprising a compound of formula (I) and edible salts thereof, wherein R1 is an alkyl residue containing 6 to 20 carbon atoms, or an alkene residue containing from 9 to 25 carbon atoms with 1 to 6 double bonds, R1 together with the carbonyl group to which it is attached is a residue of a carboxylic acid.

Abstract: A powder flavour composition comprising a compound according to the formula (I) or edible salts thereof, and at least one flavour co-ingredient wherein R1 is an alkyl residue containing 6 to 20 carbon atoms, or an alkene residue containing from 9 to 25 carbon atoms with 1 to 6 double bonds, R1 together with the carbonyl group to which it is attached is a residue of a carboxylic acid, and NR2R3, in which R3 is H or together with R2 and the N-atom to which they are attached, a 5-membered ring, is a residue of an amino acid, in particular a proteinogenic amino acid, ornithine, gamma-aminobutyric acid or beta alanine, or a 1-amino cycloalkyl carboxylic acid.

Abstract: Compounds represented by the formula and their edible salts, and edible compositions containing same wherein R1 is an alkyl residue containing 6 to 20 carbon atoms, or an alkene residue containing from 9 to 25 carbon atoms with 1 to 6 double bonds, such that R1 together with the carbonyl group to which it is attached is a residue of a carboxylic acid, and the amino acid residue connected to the carbonyl carbon atom is a residue of a 1-amino cycloalkane carboxylic acid (ACCA), and n is 1, 2, 3 or 4

Abstract: A flavour composition comprising a compound according to the formula (I) and edible salts thereof, wherein R1 is an alkyl residue containing 6 to 20 carbon atoms, or an alkene residue containing from 9 to 25 carbon atoms with 1 to 6 double bonds, R1 together with the carbonyl group to which it is attached is a residue of a carboxylic acid, and m is 0 or 1.

Abstract: A compound (including salts thereof) according to Formula I in which R1 is H, methyl or ethyl; R2 is H, OH, fluorine, C1-C4 linear or branched alkyl, C1-C6 alkoxy wherein the alkyl group is linear or branched, or a C3-C5 cycloalkyl moiety; R3 is H, methoxy, methyl or ethyl; or R2 and R3 together form a bridging moiety —O—CH2—O— between the phenyl carbon atoms to which they are connected; R4 is OH or methoxy; and R5 and R6 are independently H or methyl; R1, R2, R3, R4, R5 and R6 are such that, (i) when R2 and R3 together form a bridging moiety —O—CH2—O— between the phenyl carbon atoms to which they are connected, R1, R5, R6 are H, and R4 is OH; and (ii) when R4 is OH and R1-R3 are H, at least one of R5, R6 is methyl, which compound or salt thereof provides umami flavour.

Abstract: 2-substituted glutamic acid derivative according to the formula (I) or its physiologically acceptable salts are useful to impart, enhance or modify umami-and/or salt taste in a comestible product.

Abstract: Compounds according to the formula (I) or their physiologically acceptable salts X is selected from —CH2—, and —CH2CH2— are useful to impart, enhance or modify umami- and/or salt taste in a comestible product.

Abstract: Substituted glutamic acid derivatives according to the formula (I) or their physiologically acceptable salts wherein X is selected from hydrogen, methyl or ethyl, Y is selected from hydrogen, methyl or ethyl, Z is Cl, Br, F or I, and R1 and R3 together with the bonds through which they are connected, forms a 5-membered ring, or R2 and R3 together with the bonds through which they are connected, forms a 3-membered ring are useful to impart, enhance or modify umami- and/or salt taste in a comestible product.

Abstract: 4-substituted glutamic acid derivatives according to the formula (I) or their physiologically acceptable salts wherein X is selected from CH3, phenyl, COOH and OH, are useful to impart, enhance or modify umami- and/or salt taste in a comestible product.

Abstract: 3-substituted glutamic acid derivatives according to the formula (I) or their physiologically acceptable salts wherein X is selected from C1-C5 linear or branched alkyl, are useful to impart, enhance or modify umami- and/or salt taste in a comestible product.