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

Table 8

Relative percentages of volatile compounds of interest in the headspace of the broth and salt group.

Compounds	Soup						Coating
	Day 0	Day 5	Day10	Day 15	Day 20	Day 25	Day 5	Day10	Day 15	Day 20	Day 25
Sulfur
Hydrogen sulfide	1.9890 ± 0.124	0.0000	0.0000	0.0104 ± 0.0	0.0006 ± 0.010	0.0000	0.0000	0.0000	0.0000	0.0000	0.0000
Dimethyl sulfide	96.5140 ± 5.810	97.3474 ± 18.821	96.0858 ± 7.696	97.8008 ± 5.588	98.5836 ± 5.734	98.8025 ± 7.857	52.5563 ± 12.783	68.0658 ± 7.624	68.3667 ± 11.555	67.1366 ± 7.411	77.4651 ± 5.091
Methyl mercaptan	0.4177 ± 0.286	0.0732 ± 0210	0.1574 ± 0.0	0.0264 ± 0.001	0.0007 ± 0.0	0.0147 ± 0.0	5.7174 ± 00	0.0000	0.0000	0.0450 ± 0.154	0.0000
Propyl mercaptan	0.1615 ± 0.050	0.5539 ± 0.114	0.9544 ± 0.091	0.2298 ± 0.025	0.2062 ± 0.068	0.1614 ± 0.040	22.0451 ± 7.456	14.9950 ± 1.560	4.3656 ± 4.344	2.7899 ± 0.069	3.5919 ± 0.677
Methional	0.5915 ± 0.224	1.0045 ± 0.323	1.5345 ± 1.253	0.7660 ± 0.014	0.8156 ± 0.156	0.7624 ± 0.213	8.4112 ± 0.0	9.1372 ± 2.854	4.7600 ± 1.742	4.5298 ± 0.850	7.1608 ± 1.727
Dimethyl trisulfide	0.3055 ± 0.074	0.9821 ± 0451	1.2310 ± 0.086	1.1521 ± 0.012	0.3788 ± 0.075	0.2451 ± 0.048	11.2699 ± 0.0	7.6101 ± 0.412	22.2086 ± 5.947	25.2887 ± 7.862	11.7822 ± 6.268
2-Isobutylthiazole	0.0208 ± 0.006	0.0388 ± 0.010	0.0369 ± 0.008	0.0147 ± 0.002	0.0145 ± 0.004	0.0138 ± 0.009	0.0000	0.1919 ± 0.030	0.2992 ± 0.289	0.2100 ± 0.093	0.0000
Acid						±0
Acetic acid	1.2315 ± 0.814	57.1060 ± 9.296	74.9428 ± 5.891	2.4128 ± 0.209	4.0605 ± 1.495	2.3587 ± 0.773	68.0877 ± 0.0	57.8476 ± 0.001	29.8562 ± 0.448	18.4020 ± 9.646	17.8815 ± 3.229
Propionic acid	9.3026 ± 2.373	13.5228 ± 15.338	6.5651 ± 5.682	21.4191 ± 2.072	28.8108 ± 17.433	24.2570 ± 5.755	8.6989 ± 0.0	20.3127 ± 11.696	45.4029 ± 11.898	44.7514 ± 22.492	51.1274 ± 10.310
Butyric acid	72.7985 ± 15.798	13.8601 ± 7.832	12.3582 ± 0.276	58.9311 ± 10.433	52.0710 ± 13.676	57.9207 ± 15.479	14.2435 ± 6.291	12.2068 ± 0.457	5.3159 ± 10.950	8.6698 ± 2.690	5.7158 ± 1.047
Isovaleric acid	15.6270 ± 3.705	8.5811 ± 6.132	2.8167 ± 2.259	14.2695 ± 2.459	13.5130 ± 2.999	14.5155 ± 4.530	5.1996 ± 0.0	5.4268 ± 3.023	10.9829 ± 2.725	12.4097 ± 5.813	11.5364 ± 1.403
2-Methylbutyric acid	1.0404 ± 0.258	6.9300 ± 3.369	3.3172 ± 4.083	2.9676 ± 0.408	1.5446 ± 0.291	0.9481 ± 0.222	3.7703 ± 0.1.961	4.2061 ± 2.417	8.4420 ± 2.269	15.7671 ± 1.992	13.7389 ± 4.843