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

Table 6

Relative percentages of volatile compounds of interest in the headspace of the carrot 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	1.0558 ± 0.522	0.0361 ± 0.007	0.0260 ± 0.006	0.0099 ± 0.007	0.0079 ± 0.001	0.0000 ± 0.0	0.0399 ± 0.015	0.0551 ± 0.312	0.0787 ± 0.04
Dimethyl sulfide	97.2283 ± 6.707	98.3409 ± 3.049	98.5195 ± 13.364	98.0499 ± 0.469	98.3555 ± 7.463	20.6083 ± 3.081	40.1676 ± 1.596	58.0725 ± 1.735	63.366 ± 4.09
Methyl mercaptan	0.4241 ± 0.078	0.0882 ± 0.018	0.0675 ± 0.021	0.0181 ± 0.003	0.0046 ± 0.0	0.0000 ± 0.0	0.0000 ± 0.0	0.0000 ± 0.0	0.0000 ± 0.0
Propyl mercaptan	0.1899 ± 0.046	0.2644 ± 0.008	0.2483 ± 0.035	0.3076 ± 0.005	0.2273 ± 0.127	3.5468 ± 1.672	4.8028 ± 0.294	10.1147 ± 1.845	4.2821 ± 1.739
Methional	0.8040 ± 0.146	0.7245 ± 0.004	0.8322 ± 0.093	0.9136 ± 0.005	0.7831 ± 0.215	4.2796 ± 0.537	2.8378 ± 0.544	5.2501 ± 0.367	4.8326 ± 0.891
Dimethyl trisulfide	0.2772 ± 0.067	0.5310 ± 0.032	0.2958 ± 0.031	0.6821 ± 0.002	0.6083 ± 0.144	71.4763 ± 13.575	51.9076 ± 1.037	26.2965 ± 13.76	26.4529 ± 13.939
2-Isobutylthiazole	0.0207 ± 0.007	0.0149 ± 0.004	0.0108 ± 0.006	0.0187 ± 0.002	0.0133 ± 0.002	0.0889 ± 0.075	0.2444 ± 0.130	0.2111 ± 0.147	0.9875 ± 0.245
Acid
Acetic acid	0.8717 ± 0.340	3.4231 ± 0.193	4.1980 ± 0.488	5.4704 ± 1.842	6.4722 ± 0.545	20.0352 ± 9.950	3.2241 ± 3.728	11.9418 ± 8.058	8.4337 ± 1.842
Propionic acid	9.7466 ± 1.982	21.9240 ± 0.913	24.5297 ± 2.525	24.5891 ± 0.312	27.9681 ± 17.433	33.6443 ± 14.449	63.0888 ± 4.723	58.5455 ± 11.71	62.4785 ± 10.740
Butyric acid	73.3300 ± 16.563	54.6923 ± 6.345	53.8307 ± 20.260	50.7723 ± 0.327	50.0304 ± 11.380	5.6074 ± 1.627	4.6305 ± 1.592	5.4982 ± 4.945	7.5904 ± 10.826
Isovaleric acid	15.2559 ± 3.980	13.5936 ± 1.678	12.8011 ± 3.655.	13.1887 ± 0.118	12.8371 ± 3.807	21.8698 ± 3.514	13.9445 ± 1.393	14.9527 ± 3.302	12.8399 ± 7.969
2-Methylbutyric acid	0.7958 ± 0.211	6.3670 ± 0.716	4.6405 ± 0.763	5.9794 ± 0.133	2.6922 ± 0.451	18.8433 ± 3.804	15.1121 ± 1.048	9.0618 ± 5.469	8.6575 ± 3.563