Antioxidant metabolite	Ion type	Mass to ion ratio (m/z)		Signal to noise ratio (S/N)
Antioxidant metabolite	Ion type	Calculated	Detected	Signal to noise ratio (S/N)
Identidied antioxidant metabolites
2,4,6-trimethylacetophenone imine	(M+H)⁺	179.1543	179.1544	13.1
Glutamyltryptophan	(M+H)⁺	334.1396	334.1401	58.4
Glutamyltryptophan	(M+Na)⁺	356.1217	356.1201	58.4
Azatadine	(M+H)⁺	291.1856	291.1866	38.1
	(M+Na)⁺	296.1409	296.1369
	(M+K)⁺	312.1149	312.1135
Lithocholic acid glycine conjugate	(M+H)⁺	434.3265	434.3256	165.3
	(M+Na)⁺	456.3084	456.3083
	(M+K)⁺	472.2824	472.2829
Unidentified antioxidant metabolites
C14 H27 N3 O2 S	(M+H)⁺	302.1897	302.1911	511.7
C38 H54 O5 S2	(M+H)⁺	655.3485	655.3481	32.4
C20 H33 N7 O	(M+H)⁺	388.2819	388.2812	548.2
C16 H23 N3 O	(M+H)⁺	274.1914	274.1916	9.3
C16 H23 N3 O	(M+K)⁺	312.1473	312.1503	9.3
C26 H40 N12	(M+H)⁺	521.3572	521.3564	18.6
C26 H40 N12	(M+K)⁺	559.3131	559.3105	18.6
C28 H38	(M+H)⁺	375.3045	375.3042	29.3
	(M+NH4)⁺	392.3312	392.3398
	(M+Na)⁺	397.2866	397.2905
	(M+K)⁺	413.2605	413.2659