. 2017 Dec 6;9(12):1328. doi: 10.3390/nu9121328

Table 2.

Flavanone metabolites in plasma and urine collected after consumption of bergamot juice (BJ).

Id.	Compounds	RT (min)	[M − H]⁻ (m/z)	MS² Ion Fragments (m/z) ^a	MS³ Ion Fragments (m/z) ^a	MS⁴ Ion Fragments (m/z) ^a	Location ^c
M1	Hesperitin-O-glucuronide-sulfate	3.32	557	381 ^b, 447	301	286, 242, 199, 283	P
M2	Hesperitin-O-glucuronide-sulfate	3.51	557	381, 447	301, 229	286, 242, 199, 283	P, U
M3	Eriodictyol-O-glucuronide	4.04	463	287, 175	151		P, U
M4	Naringenin-7-O-glucuronide	4.09	447	271, 175	151, 177		P, U
M5	Naringenin-4′-O-glucuronide	4.23	447	271, 175	151, 177		P, U
M6	Eriodictyol-O-glucuronide	4.23	463	287, 175	151, 269		P, U
M7	Hesperitin-7-O-glucuronide	4.45	477	301, 175	286, 243, 283		P, U
M8	Hesperitin-3′-O-glucuronide	4.63	477	301, 175	286, 243, 283		P, U
M9	Naringenin-sulfate	4.68	351	271	151, 177		P
M10	Eriodictyol-sulfate	4.78	367	287	151		P, U
M11	Naringenin-sulfate	4.82	351	271	151, 177, 165		P
M12	Hesperetin-sulfate	4.9	381	301	286, 243, 283, 199		P, U

^a Fragment ions are listed in order of relative abundance; ^b MS ions in bold were those subjected to successive MS fragmentation; ^c P, plasma; U, urine. RT, retention time.