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

Table 11

Relative intensities of volatile compounds of interest in the headspace of the cysteine buffer group.

Compounds	Soup					Coating
	Day 0	Day 20	Day 25	Day 30	Day 35	Day 20	Day 25	Day 30	Day 35
Sulfur
Hydrogen sulfide	8.6716 ± 0.823	10.6678 ± 1.715	0.0363 ± 0.008	35.3372 ± 1.511	50.3211 ± 4.241	0.0000	0.2397 ± 0.0	0.0000	0.0000
Dimethyl sulfide	90.8767 ± 11.372	88.3451 ± 3.829	99.5371 ± 5.175	64.2797 ± 5.169	49.3925 ± 4.602	24.8011 ± 2.857	33.6898 ± 0.111	67.3115 ± 6.705	79.5743 ± 7.518
Methyl mercaptan	0.0000	0.0000	0.0000	0.0761 ± 0.016	0.0551 ± 0.0	0.0000	0.7376 ± 0.0	0.0000	0.0000
Propyl mercaptan	0.1961 ± 0.0	0.1905 ± 0.004	0.0600 ± 0.015	0.1010 ± 0.001	0.0646 ± 0.012	13.7794 ± 4.358	24.4330 ± 4.223	9.5845 ± 0	5.2523 ± 1.922
Methional	0.1104 ± 0.0	0.3019 ± 0.089	0.1292 ± 0.014	0.1332 ± 0.014	0.1441 ± 0.013	6.1935 ± 2.134	15.2683 ± 1.235	10.6177 ± 9.145	8.0673 ± 1.064
Dimethyl trisulfide	0.1415 ± 0.035	0.4931 ± 0.048	0.2349 ± 0.019	0.0713 ± 0.014	0.0216 ± 0.007	54.6203 ± 19.873	25.2259 ± 5.071	12.1785 ± 0.945	7.0717 ± 4.016
2-Isobutylthiazole	0.0037 ± 0.004	0.0015 ± 0.008	0.0026 ± 0.001	0.0015 ± 0.006	0.0011 ± 0.007	0.6058 ± 0.190	0.4057 ± 0.092	0.3078 ± 0.835	0.0343 ± 0.206
Acid
Acetic acid	11.4738 ± 7.275	1.0360 ± 1.556	11.4325 ± 0.588	10.3737 ± 4.858	20.0512 ± 10.026	43.5581 ± 5.563	67.1077 ± 2.537	65.1894 ± 5.144	50.2573 ± 17.953
Propionic acid	35.2311 ± 7.728	81.4059 ± 4.090	43.8179 ± 2.419	63.0928 ± 5.979	53.2401 ± 17.433	26.6597 ± 4.373	13.8994 ± 0.347	13.9729 ± 4.918	30.0172 ± 12.865
Butyric acid	41.2898 ± 11.694	13.0429 ± 0.175	40.7208 ± 15.314	21.0567 ± 4.162	10.8529 ± 1.989	6.3938 ± 0.805	2.8647 ± 0.154	8.4115 ± 7.125	4.1166 ± 6.861
Isovaleric acid	8.7870 ± 1.495	2.2947 ± 0.108	2.4107 ± 1.945	4.0979 ± 2.384	9.5529 ± 1.064	15.7002 ± 2.204	12.0175 ± 2.980	6.3087 ± 2.815	5.9463 ± 6.747
2-Methylbutyric acid	3.2183 ± 1.553	2.2205 ± 0.121	1.6180 ± 0.466	1.3789 ± 0.606	6.3029 ± 0.532	7.6883 ± 2.510	4.1107 ± 1.336	6.1175 ± 2.763	9.6627 ± 4.345