Comparison of Three Species of Rhubarb in Inhibiting Vascular Endothelial Injury via Regulation of PI3K/AKT/NF-κB Signaling Pathway

Table 1

Different chemical components of three species of rhubarb identified in positive ion mode.

Nol.	R.T. (min)	Mass (m/z)	Name	Formula	MS/MS	VIP
1	21.84	209.0621	3-Hydroxy-3,4-Dimethoxyflavone	C17H14O5	[M + H]^+	1.21	≤0.001
2	26.92	161.0622	4-Methylcoumarin	C10H8O2	[M + H]^+	1.49	≤0.001
3	10.08	311.0567	5,3,4,5-Tetrahydroxy-6,7-dimethoxyflavone	C17H14O8	M + H-2H2O	1.31	≤0.001
4	2.15	158.0820	5,6-Dimethoxynaphtol[2,3-b]furan-4,9-dione	C14H10O5	[M + H]^+	1.04	≤0.001
5	6.81	233.0453	6-(Carboxymethyl)-7-hydroxy-8-methoxy coumarin	C12H10O6	M + H-H2O	1.20	0.01
6	20.06	653.1018	6-Cinnamoyl-1,2-digalloylglucose	C29H26O15	[M + H]^+	1.37	≤0.001
7	27.02	443.0986	6-Methoxyluteolin-7-glucoside	C22H22O12	M + H-2H2O	1.27	≤0.001
8	21.2	255.0691	Chrysophanol	C15H10O4	[M + H]^+	1.22	≤0.001
9	2.58	1155.2755	Cinnamtannin A2	C60H50O24	[M + H]^+	1.15	≤0.001
10	3.61	189.0556	cis-Sinapic acid	C11H12O5	M + H-2H2O	1.26	≤0.001
11	14.24	727.1226	Cy 3-coumSamb-5-Glc	[C41H45O22]^+	[M + H]^+	1.43	≤0.001
12	7.76	882.1615	Emodin	C15H10O5	[M + H]^+	1.18	≤0.001
13	4.65	731.1593	ent-Epicatechin-(4alpha->8)-ent-epicatechin 3-gallate	C59H46O26	[M + H]^+	1.24	0.02
14	27.79	239.0714	(-)-Epiafzelechin	C15H14O5	M + H-2H2O	1.07	≤0.001
15	6.55	151.0391	(-)-Epicatechin	C15H14O6	[M + H]^+	1.26	≤0.001
16	3.61	289.0716	Epigallocatechin	C15H14O7	M + H-H2O	1.20	0.03
17	6.53	441.0827	(-)-Epigallocatechin gallate	C22H18O11	M + H-H2O	1.16	≤0.001
18	4.63	577.1357	Epigallocatechin-(4beta- >8)-catechin	C30H26O13	M + H-H2O	1.01	0.02
19	27.02	125.0254	Ethyl vanillate	C10H12O4	[M + H]^+	1.25	≤0.001
20	19.13	191.0359	Glycyrrhetinic acid	C30H46O4	[M + H]^+	1.22	≤0.001
21	21.48	547.1599	Guibourtinidol-(4alpha->6)-catechin	C30H26O10	[M + H]^+	1.12	≤0.001
22	2.78	517.1560	Luteone 4,7-O-diglucoside	C27H30O16	[M + H]^+	1.09	0.01
23	3.53	369.0294	Mangiferin	C19H18O11	[M + H]^+	1.29	≤0.001
24	0.67	113.0241	Mesaconic acid	C5H6O4	[M + H]^+	1.14	≤0.001
25	5.58	189.0562	Myricetin	C15H10O8	[M + H]^+	1.12	≤0.001
26	5.07	439.1606	Neomangiferin	C25H28O16	[M + H]^+	1.69	≤0.001
27	7.77	893.1569	Oolonghomobisflavan A	C45H36O22	M + H-2H2O	1.12	≤0.001
28	18.30	464.1272	Peonidin-3-O-beta-D-glucoside	[C22H23O11]^+	[M + H]^+	1.22	≤0.001
29	4.65	189.0574	Plumbagin	C11H8O3	[M + H]^+	1.06	0.01
30	3.84	1462.3159	Procyanidin B-2,3,3-di-O-gallate	C44H34O20	[M + H]^+	1.24	≤0.001
31	4.38	183.0821	Resveratrol	C14H12O3	[M + H]^+	1.00	0.001
32	21.84	255.0692	Rhein	C15H8O6	[M + H]^+	1.20	≤0.001
33	4.89	867.2121	Robinetinidol-(4alpha->8)-catechin-(6->4alpha)-robinetinidol	C45H38O18	[M + H]^+	1.17	≤0.001
34	22.17	549.1775	Sachaliside 2	C30H32O12	M + H-2H2O	1.15	≤0.001
35	18.64	880.1926	Sennoside A	C42H38O20	[M + H]^+	1.07	≤0.001
36	4.65	679.0703	Torachrysone 8-glucoside	C20H24O9	^+	1.05	≤0.001