Ethyl Acetate Fraction of Hemerocallis citrina Baroni Decreases Tert-butyl Hydroperoxide-Induced Oxidative Stress Damage in BRL-3A Cells

Table 1

Detection of compounds in Hemerocallis citrina Baroni ethyl acetate extract (HCEA) using ultraperformance liquid chromatography/mass spectrometry (UPLC/MS) in negative ion mode.

	(min)	Identification	[M-H]^−
			Indicated	Actual
1	0.658	Gallic acid	169.03	170.12
2	0.746	4-O-Caffeoylquinic acid	353.11	354.31
3	0.942	Chlorogenic acid	353.2	354.31
4	1.008	Not identified	325.03	_
5	1.258	Caffeic acid	179.03	180.15
6	1.362	4-O-p-Coumaroylquinic acid	337.18	338.309
7	1.442	1-Cyclohexene-1-carboxylic acid	335.17	336.3
8	1.708	Quercetin 3,7-O-β-D-diglucopyranoside	625.33	626.517
9	1.799	Not identified	479.12	_
10	1.849	Not identified	_	_
11	2.241	Not identified	449.12	_
12	2.295	Not identified	555.25	_
13	2.353	Hesperidin	609.31	610.561
14	2.441	Rutin	609.22	610.51
15	2.532	Hyperoside	463.12	464.3763
16	2.641	Isoquercitrin	463.1	464.38
17	2.761	Phloretin 2-O-β-D-xylopyranosyl-(1-6)-β-D-glucopyranoside	579.27	580.12
18	2.9	Not identified	271.21	_
19	3.087	Quercetin 3-o-β-D-xylopyranoside	433.16	434.35
20	3.145	Kaempferol-3-O-galactoside	447.17	448.38
21	3.22	Kaempferol 3-rutinoside	593.22	594.52
22	3.438	Astragalin	447.09	448.37
23	3.508	Isorhamnetin 3-O-glucoside	477.15	478.4029