Table 1. LC-ESI-QqQ-MS/MS Conditions and Quantification Details of PAC Metabolites.

compound	RTa	precursor (m/z)	qualifying ionsb	collision energy	RF lens	calibration equation	R2	LOD	LOQ
34PP	5.16	181	109	17.1	75	Y = 3.64 × 105X + 1.28 × 105	0.9959	0.95	2.88
			135	16.9
			137*	10.2
HPP	6.80	165.2	106.1	20.7	40	Y = 5.22 × 105X + 1.91 × 106	0.9939	6.84	20.73
			119.1	14.2
			121.2*	10.6
34PA	3.93	167	93	21.4	30	Y = 7.51 × 104X + 3.08 × 105	0.9926	12.26	37.16
			95	18.8
			123.1*	10.2
HPA	5.67	151.1	65	24.1	30	Y = 2.63 × 104X + 3.78 × 104	0.9959	6.35	19.24
			79	21.2
			92	25.8
			107*	10.2
34PV	5.40	207	121.9	20.6	52	Y = 2.63 × 106X + 6.44 × 105	0.9936	0.73	2.21
			161	20.9
			163.1*	16.1
34BA	3.95	153	81.2	22.7	30	Y = 2.18 × 106X + 2.38 × 104	0.9965	0.67	2.04
			91.1	26.9
			109.1*	13.6
HBA	5.90	137.1	65.1	23.7	46	Y = 3.05 × 105X + 3.53 × 104	0.9967	0.71	2.16
			93*	10.2
			136.5	10.2
ethyl gallate	5.20	197.1	124*	22.5	62	Y = 3.33 × 106X + 1.83 × 106	0.9927	1.34	4.07
			125	20.5
			169	15.5

^aRetention time.

^bThe quantifying ion is indicated by an asterisk (*).