Table 1.

MS/MS detection parameters for Alternaria toxins detected in APCI and ESI ionization modes employing negative or positive ion mode. The quantifier ion transition is highlighted with bold.

Compounds	Ionization Mode	Precursor Ion (m/z)	Product Ion (m/z)	Dwell Time (ms)	Declustering Potential (V)	Entrance Potential (V)	Cell Exit Potential (V)	Collision Energy (V)	Collision Cell Exit Potential (V)
TEA	negative	196	83	50	−70	−9	−12	−32	0
			139	50				−26	0
TEA-13C2		198	141	50	−70	−9	−12	−26	0
ALT		291	161	50	−80	−10	−22	−52	0
			203	50				−40	0
ALT-d6		296	203	50	−80	−10	−22	−40	0
AOH		257	147	50	−65	−6	−22	−46	0
			213	50				−30	−5
AOH-d3		260	218	50	−65	−6	−22	−30	−5
TEN		413	141	50	−80	−5	−14	−28	0
			271	50				−20	−2
TEN-d3		416	274	50	−80	−5	−14	−20	−2
AME		271	228	50	−60	−2	−16	−36	−2
			256	50				−30	−2
AME-d3		274	259	50	−60	−2	−16	−30	−2
TEA	positive	198	139	50	66	10	12	19	4
			153	50				17	4
TEA-13C2		200	155	50	66	10	12	17	4
ALT		293	139	50	61	12	16	79	4
			257	50				19	4
ALT-d6		299	262	50	61	12	16	19	4
AOH		259	128	50	116	9	14	57	4
			185	50				14	4
AOH-d3		262	131	50	116	9	14	57	4
TEN		415	119	50	91	8	20	23	4
			132	50				53	4
TEN-d3		418	135	50	91	8	20	53	4
AME		273	115	50	126	9	16	69	4
			128	50				71	4
AME-d3		276	131	50	126	9	16	71	4