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

Table 2

Major volatiles, reagent ions, and masses of the compounds used in this study.

Compounds	Formula	Mass	Reagent		Reference
Sulfur
Hydrogen sulfide	H2S	34	H3O^+	35	a and e
Dimethyl sulfide	(CH3)2S	62	H3O^+	63	a
Methyl mercaptan	CH4S	48	H3O^+	49	a
Propyl mercaptan	C3H8S	76	No^+	76	a
Methional	C4H8OS	104	No^+	104	a, b, and d
Dimethyl trisulfide	C2H6S3	126	H3O^+	127	a and d
2-Isobutylthiazole	C7H11NS	141	H3O^+	142	c
Acid
Acetic acid	C2H4O2	60	H3O^+	61	a, b, and d
Propionic acid	C3H6O2	74	H3O^+	75	a
Butyric acid	C4H8O2	88	H3O^+	89	e
Isovaleric acid	C5H10O2	102	H3O^+	103	a
2-Methylbutyric acid	C5H10O2	102	No^+	103	c and d

^a[22], ^b[23], ^c[24], ^d[25], and ^eKumar and others, 2013.