Identification of Corrosive Volatile Compounds Found in the Headspace of Chicken Noodle Soup Retorted in Metal Cans

Table 5

Relative percentages of volatile compounds of interest in the headspace of the chicken breast group.

Compounds	Soup					Coating
	Day 0	Day 5	Day 8	Day 11	Day 14	Day 5	Day 8	Day 11	Day 14
Sulfur
Hydrogen sulfide	0.4578 ± 0.176	0.1944 ± 0.041	0.0325 ± 0.027	0.0010 ± 0.001	0.0000	2.9627 ± 0.293	0.1141 ± 0.076	0.0000	0.0000
Dimethyl sulfide	97.6984 ± 8.781	96.8832 ± 4.374	97.9831 ± 3.589	97.3590 ± 1.377	97.8116 ± 7.352	61.5234 ± 5.153	54.1358 ± .209	70.0915 ± 5.205	68.4108 ± 5.504
Methyl mercaptan	0.3704 ± 0.077	0.1729 ± 0.026	0.0618 ± 0.037	0.0083 ± 0.005	0.0000	0.0000	0.0000	0.0000	0.0000
Propyl mercaptan	0.1828 ± 0.032	0.4296 ± 0.034	0.2946 ± 0.027	0.4671 ± 0.013	0.1970 ± 0.005	4.0481 ± 1.418	6.4461 ± 0.608	4.9848 ± 0.369	8.0221 ± 1.433
Methional	0.9790 ± 0.198	0.9614 ± 0.046	0.8907 ± 0.057	1.1151 ± 0.267	1.2447 ± 0.097	3.3539 ± 0.372	3.5938 ± 0.941	3.5241 ± 0.326	5.6014 ± 1.661
Dimethyl trisulfide	0.2863 ± 0.051	1.3448 ± 0.022	0.7267 ± 0.314	1.0387 ± 0.096	0.7320 ± 0.098	27.6034 ± 2.151	35.6532 ± 1.445	21.1373 ± 1.787	17.7812 ± 1.802
2-Isobutylthiazole	0.0252 ± 0.005	0.0137 ± 0.003	0.0105 ± 0.002	0.0107 ± 0.004	0.0147 ± 0.003	0.5085 ± 0.225	0.0570 ± 0.038	0.2624 ± 0.085	0.1845 ± 0.043
Acid
Acetic acid	0.9205 ± 0.532	11.8158 ± 1.803	4.9744 ± 1.644	18.5133 ± 3.093	5.2180 ± 1.868	5.8050 ± 0.960	5.9826 ± 2.795	2.7096 ± 1.169	9.0439 ± 0.851
Propionic acid	8.8477 ± 1.627	21.1616 ± 1.077	23.0069 ± 1.211	23.5409 ± 3.330	32.8562 ± 17.433	61.4503 ± 13.376	65.5531 ± 4.909	69.9746 ± 0.576	67.7290 ± 17.854
Butyric acid	72.4658 ± 22.474	47.5406 ± 7.938	53.9427 ± 8.053	42.3999 ± 2.988	46.8022 ± 6.116	12.4930 ± 5.504	2.9998 ± 1.977	3.9119 ± 0.779	4.5553 ± 0.984
Isovaleric acid	17.2242 ± 5.053	13.7682 ± 0.940	14.0154 ± 1.797	12.1915 ± 1.025	12.6990 ± 1.762	10.7646 ± 1.494	13.3458 ± 2.045	12.3624 ± 0.694	10.3955 ± 1.518
2-Methylbutyric acid	0.5419 ± 0.102	5.7137 ± 0.508	4.0606 ± 0.209	3.3545 ± 0.444	2.4246 ± 0.627	9.4871 ± 1.371	12.1186 ± 1.040	11.0415 ± 0.830	8.2763 ± 1.201