Table 3.

The RT, MW, MS-MS fragment ions, DP and CE of HSYC.

Component	Classification	Precursor ion (m/z)	Product ion (m/z)	MW (Da)	Ionization model	DP (V)	CE (eV)	RT (min)
Daidzein	Isoflavones	255.07	137.00	254.06	[M + H]+	40	40	4.94
Kaempferol	Flavonols	285.04	151.00	286.05	[M − H]−	-40	-30	5.72
Astragalin	Flavonols	449.11	287.06	448.10	[M + H]+	50	30	4.14
Hyperin	Flavonols	463.09	300.00	464.10	[M − H]−	-60	-40	3.88
Genistein	Isoflavones	271.06	215.07	270.05	[M + H]+	20	40	5.65
Rutin	Flavonols	609.15	301.00	610.15	[M − H]−	-40	-40	3.75
Ellagic acid	Tannin	301.00	185.02	302.01	[M − H]−	-60	-40	3.89
Acteoside	Phenolic acids	623.20	461.17	624.21	[M − H]−	-50	-30	4.03
Gallic acid	Tannin	171.03	107.01	170.02	[M + H]+	50	30	1.79
Z-Ligustilide	Others	191.11	117.07	190.10	[M + H]+	20	20	8.26
Quercetin	Flavonols	303.05	137.02	302.04	[M + H]+	50	50	5.08
Nicotiflorin	Flavonoid	593.15	285.04	594.16	[M − H]−	-50	-30	4.00
Echinacoside	Phenolic acids	785.25	623.20	786.26	[M − H]−	-50	-50	3.33
Paeoniflorin	Monoterpenoids	479.16	121.03	480.16	[M − H]−	-50	-30	3.64
Ferulic acid	Phenolic acids	193.05	134.01	194.06	[M − H]−	-20	-20	4.12
Apigenin	Flavonoid	271.06	153.01	270.05	[M + H]+	50	30	5.63
Puerarin	Isoflavones	417.12	297.07	416.11	[M + H]+	50	30	3.19
Calycosin	Flavonoid	285.08	225.06	284.07	[M + H]+	50	30	5.24
Trillin	Steroidalsaponins	577.37	271.21	576.36	[M + H]+	50	30	4.75

MW: molecular weight, DP: declustering potential, CE: collision energy, and RT: retention time.