2009_Book_FoodChemistry

1.2 Amino Acids 27
Table 1.6. Mutagenic compounds from pyrolysates of amino acids and proteins
Mutagenic compound Short form Pyrolized Structure
compound
3-Amino-1,4-dimethyl-
5H-pyrido[4,3-b]indole
Trp-P-1
Tryptophan
3-Amino-1-methyl-
5H-pyrido[4,3-b]indole
Trp-P-2
Tryptophan
2-Amino-6-methyldipyrido
[1,2-a:3’,2’-d]imidazole
Glu-P-1
Glutamic acid
2-Aminodipyrido[1,2-a:3’,2’-d]
imidazole
Glu-P-2
Glutamic acid
3,4-Cyclopentenopyrido[3,2-a]
carbazole
Lys-P-1
Lysine
4-Amino-6-methyl-1H-2,5,10,
10b-tetraazafluoranthene
Orn-P-1
Ornithine
2-Amino-5-phenylpyridine Phe-P-1 Phenylalanine
2-Amino-9H-pyrido[2,3-b]
indole
AαC
Soya globulin
2-Amino-3-methyl-9Hpyrido[2,3-b]
indole
MeAαC
Soya globulin
of tobacco smoke. They are formed by a reaction
of tryptophan and formaldehyde or acetaldehyde:
(1.57)