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

Table 7

Relative percentages of volatile compounds of interest in the headspace of the celery group.

Compounds	Soup						Coating
	Day 0	Day 5	Day 10	Day 15	Day 20	Day 25	Day 5	Day 10	Day 15	Day 20	Day 25
Sulfur
Hydrogen sulfide	1.3144 ± 0.568	0.0204 ± 0.002	0.0635 ± 0.024	0.0006 ± 0.0	0.0100 ± 0.0	0.0070 ± 0.0	0.0000	0.3830 ± 0.315	0.0000	0.0000	0.0000
Dimethyl sulfide	97.0856 ± 7.309	98.2439 ± 15.953	97.7223 ± 10.621	98.0306 ± 7.196	98.8623 ± 3.487	98.5578 ± 5.042	83.7037 ± 33.889	82.5855 ± 8.988	71.4468 ± 12.144	68.6761 ± 10.122	78.4995 ± 9.193
Methyl mercaptan	0.4356 ± 0.071	0.0359 ± 0.011	0.0000	0.0032 ± 0.001	0.0000 ±	0.0204 ± 0.0	1.8519 ± 0.0	0.0000	0.0000	0.4624 ± 0.103	0.0000
Propyl mercaptan	0.1601 ± 0.039	0.2394 ± 0.051	0.3467 ± 0.155	0.1656 ± 0.016	0.1451 ± 0.065	0.1986 ± 0.039	14.4444 ± 8.988	8.0301 ± 1.163	5.7390 ± 1.502	1.8325 ± 0.908	2.4501 ± 1.235
Methional	0.7220 ± 0.172	0.7479 ± 0.158	1.0717 ± 0.156	0.7569 ± 0.037	0.7205 ± 0.214	0.9405 ± 0.056	0.0000	8.1395 ± 2.285	4.0102 ± 1.403	4.5042 ± 1.987	4.9953 ± 0.057
Dimethyl trisulfide	0.2646 ± 0.056	0.6974 ± 0.149	0.7812 ± 0.192	1.0358 ± 0.095	0.2496 ± 0.045	0.2599 ± 0.056	0.0000	0.8208 ± 0.214	18.6056 ± 4.846	24.4562 ± 2.723	13.9221 ± 3.229
2-Isobutylthiazole	0.0176 ± 0.008	0.0150 ± 0.011	0.0146 ± 0.019	0.0073 ± 0.003	0.0125 ± 0.007	0.0157 ± 0.005	0.0000	0.0410 ± 0.096	0.1984 ± 0.283	0.0685 ± 0.069	0.1330 ± 0.399
Acid
Acetic acid	0.9216 ± 0.774	28.3006 ± 7.349	58.0604 ± 15.993	1.7914 ± 0.696	1.9078 ± 0.481	2.4792 ± 1.329	0.0000	18.5654 ± 6.835	3.2787 ± 3.449	17.4753 ± 5.464	10.1863 ± 9.394
Propionic acid	9.1480 ± 1.726	23.1800 ± 4.720	16.1048 ± 1.821	29.3611 ± 1.290	27.6014 ± 17.433	27.0413 ± 2.775	0.0000	59.1842 ± 13.474	63.4873 ± 14.584	49.0344 ± 13.472	42.3702 ± 10.384
Butyric acid	74.0356 ± 16.821	26.7427 ± 5.619	14.2355 ± 3.179	54.4290 ± 10.230	56.7168 ± 7.356	55.0040 ± 14.184	9.0909 ± 1.993	5.8087 ± 3.277	10.0064 ± 2.895	10.9750 ± 1.554	19.2628 ± 1.744
Isovaleric acid	15.1312 ± 3.930	10.5791 ± 2.595	5.2405 ± 2.588	11.6262 ± 1.409	12.5244 ± 2.548	14.3687 ± 3.881	0.0000	9.8031 ± 3.797	12.5186 ± 6.110	8.5728 ± 2.920	13.2382 ± 1.942
2-Methylbutyric acid	0.7635 ± 0.177	11.1977 ± 1.420	6.3588 ± 2.109	2.7924 ± 0.115	1.2495 ± 0.413	1.1069 ± 0.283	90.9091 ± 4.981	6.6385 ± 2.166	10.7090 ± 1.341	13.9425 ± 4.333	14.9425 ± 1.625