Table 6.

Heterocyclic compounds identified in fried and roasted chicken flavours (adapted from Shi and Ho, 1994)

Compound		Fried Chicken	Roasted Chicken
Pyrazines	Pyrazine	+
	2-Methylpyrazine	+	+
	2,3-Dimethylpyrazine	+	+
	2,5-Dimethylpyrazine	+
	2,6-Dimethylpyrazine	+	+
	Trimethylpyrazine	+	+
	2-Isopropylpyrazine	+
	2-Methyl-3-ethylpyrazine	+	+
	2-Methyl-6(5)-ethylpyrazine	+	+
	2-Butylpyrazine	+
	2,3-Dimethyl-5-ethylpyrazine	+	+
	2,5-Dimethyl-3-ethylpyrazine	+
	2,6-Dimethyl-3-ethylpyrazine		+
	2,6-Diethylpyrazine	+	+
	2-Methyl-5,6-diethylpyrazine	+
	2-Methyl-3,5-diethylpyrazine	+
	2-Methyl-3-butylpyrazine	+
	2-Methyl-5-vinylpyrazine	+
	2-Methyl-6-vinylpyrazine	+
	2-Isopropenylpyrazine	+
	6,7-Dihydro-5H-cyclopentapyrazine	+
	2-Methyl-6,7-dihydro-5H-cyclopentapyrazine	+
Pyridines	Pyridine	+	+
	2-Methylpyridine	+	+
	3-Ethylpyridine	+	+
	4-Ethylpyridine	+
	2-Methyl-5-ethylpyridine	+	+
	2-Ethyl-3-methylpyridine	+
	2-Butylpyridine	+
	2-Pentylpyridine	+
	2-Isobutyl-3,5-dipropylpyridine	+
Pyrroles	Pyrrole	+	+
	N-methylpyrrole		+
	2-Methylpyrrole	+
	2-Ethylpyrrole		+
	N-acetylpyrrole		+
	2-Acetylpyrrole	+
	2-Isobutylpyrrole	+
	N-isobutylpyrrole	+
	N-(2-butanoyl)pyrrole	+
	N-furfurylpyrrole		+
Thiazoles	Thiazole	+	+
	2-Methylthiazole	+	+
	2,4,5-Trimethylthiazole	+
	2-Methyl-4-ethylthiazole	+
	2-Methyl-5-ethylthiazole		+
	2,4-Dimethyl-5-ethylthiazole	+
	2-Isopropyl-4,5-dimethylthiazole	+
	2,5-Dimethyl-4-butylthiazole	+
	2-Isopropyl-4-ethyl-5-methylthiazole	+
	2-Butyl-4,5-dimethylthiazole	+
	2-Butyl-4-methyl-5-ethylthiazole	+
	2-Pentyl-4,5-dimethylthiazole	+
	2-Hexyl-4,5-dimethylthiazole	+
	2-Heptyl-4,5-dimethylthiazole	+
	2-Heptyl-4-ethyl-5-methylthiazole	+
	2-Octyl-4,5-dimethylthiazole	+

+ = Present