Table 1.

MS settings for individual polyphenol analysis by reverse-phase (RP)-UPLC-MS.

Compound	t R a	[M–H]– b
	(min)	(m/z)
(±)-catechin	2.946	288.95
(–)-epicatechin	3.625	289.01
PCB2	3.366	576.84
PCC1	3.904	864.85
CinA2	4.063	1153.19

^a Retention time ^b QDA detector uses singly charged parent ions for selected ion response (SIR) monitoring.