Gastroprotective Effect of Ethanol Extracts from Bark of Magnolia officinalis on Ethanol-Induced Gastric Mucosal Damage in Rats

Table 1

Chemical components of MOE.

No.	Name	RT (min)	Formula	Precursor type		Characteristic fragment ions
1	Magnoside B	2.2	C35H46O20	[M-H]-	785.251	623.2238	477.661	161.0238
2	Syringin	3.03	C17 H24 O9	[M+H]+	390.182	211.0966	193.0861	161.0598
3	Magnoflorine	3.73	C19H24NO3+	[M+H]+	314.1747	298.1074	269.1176	237.0917
4	Lotusine	3.9	C20H24NO4+	[M+H]+	314.1747	269.1171	254.0904	237.0912
5	Magnoside A	4.38	C29H36O15	[M-H]-	623.199	461.1663	315.1094	161.0239
6	Magnoflorine	4.59	C20H24NO4	[M+H]+	342.1705	297.1122	282.0888	265.086
7	Magnoloside E	5.09	C28H34O15	[M-H]-	609.1818	447.1556	161.0238
8	Magnoloside A	5.26	C29H36O15	[M-H]-	623.1989	461.1664	161.0239	133.0288
9	(R)-oblongine	5.27	C19H24NO3+	[M+H]+	314.1747	282.1494	269.1174	254.0938
10	Magnoloside M	5.63	C29H36O15	[M+H]+	623.1966	461.1655	161.0237	133.029
11	Asimilobine	6.08	C17H17O2N	[M+H]+	268.1328	251.1068	236.0834	219.0806
12	Magnolignan B	7.13	C18H20O5	[M-H]-	315.1253	267.1029	249.0921	239.1089
13	Anonaine	7.96	C17H15O2N	[M+H]+	266.1184	249.0912	219.0807	191.0856
14	Magnolignan E	9.33	C18H18O4	[M-H]-	297.113	267.1025	249.0936	195.2556
15	Randaiol	9.78	C15H14O3	[M-H]-	241.0871	223.0765	213.0921	197.0968
16	Randainol	10.47	C18H18O3	[M-H]-	281.1183	263.1078	245.097	133.065
17	Magnaldehyde B	10.68	C18H16O3	[M-H]-	279.103	263.0717	251.0714	238.0636
18	Magnaldehyde D	11.08	C16H14O3	[M-H]-	253.0872	235.0765	207.0817
19	Randainal	11.62	C18H16O3	[M-H]-	279.1027	261.0921	233.0969
20	Obovaaldehyde	11.78	C16H14O4	[M-H]-	269.0823	152.0109	124.0159
21	Obovatal	12.11	C18H16O4	[M-H]-	295.0976	178.0266
22	N-Acetylanonaine	10.81	C19H17O3N	[M+H]+	308.1282	249.0911	238.9172	219.0808
23	Honokiol	13.91	C18H18O2	[M-H]-	265.1231	224.0844
24	Obovatol	14.82	C18H18O3	[M-H]-	281.1187	273.588	164.0474	133.0651
25	Nootkatone	14.9	C15 H22 O	[M+H]+	219.1743	201.1639	145.1014	81.0707
26	Magnolol	14.97	C18H18O2	[M-H]-	265.1234	247.1127	223.0782
27	Prespatane	16.83	C15 H24	[M+H]+	205.1952	149.1326	109.1017	95.0861
28	(-)-Caryophyllene oxide	17.47	C15 H24 O	[M+H-H2O]+	221.1902	203.1797	147.117	109.1018
29	Piperitylmanolol	29.34	C28H34O2	[M-H]-	401.2488	331.1703	313.1604	247.1126
30	1,2,3,4-Tetramethyl-1,3-cyclopentadiene	30.95	C9 H14	[M-H]-	123.1169	95.0862	81.0707