Salinity stress induces the production of 2-(2-phenylethyl)chromones and regulates novel classes of responsive genes involved in signal transduction in Aquilaria sinensis calli

Xiaohui Wang; Bowen Gao; Xiao Liu; Xianjuan Dong; Zhongxiu Zhang; Huiyan Fan; Le Zhang; Juan Wang; Shepo Shi; Pengfei Tu

doi:10.1186/s12870-016-0803-7

Table 1 Identified and tentative 2-(2-phenylethyl)chromones compounds from the salt-treated Aquilaria calli

From: Salinity stress induces the production of 2-(2-phenylethyl)chromones and regulates novel classes of responsive genes involved in signal transduction in Aquilaria sinensis calli

Peak number	t_R (min)	Molecular formula	m/z experimental	m/z calculated	Error (ppm)	IT/MS/MS fragment
1^*	29.03	C₁₈H₁₉O₇Cl	383.0913	383.0892	5.48	365, 137
2	32.12	C₁₈H₁₉O₆Cl	367.0920	367.0941	−5.72	137
3	32.54	C₁₈H₁₉O₇Cl	383.0913	383.0892	5.48	365, 137
4	35.01	C₁₈H₁₉O₆Cl	367.0955	367.0943	3.27	137
5	35.87	C₁₇H₁₇O₅Cl	337.0821	337.0837	−4.75	319, 195
6	36.59	C₁₇H₁₇O₆Cl	353.0820	353.0786	9.63	335
7	39.29	C₁₇H₁₇O₅Cl	337.0844	337.0837	2.08	319, 195
8	41.32	C₁₈H₁₆O₆	329.1017	329.1020	−0.91	137, 122
9	41.48	C₁₈H₂₀O₅	317.1376	317.1384	−2.52	121, 299
10	42.09	C₁₈H₁₈O₆	331.1164	331.1176	−3.62	313
11^*	42.99	C₁₇H₁₇O₅Cl	337.0821	337.0837	−4.75	319, 195
12	45.09	C₁₇H₁₄O₅	299.0904	299.0914	−3.34	193, 148
13	46.62	C₁₉H₁₈O₆	343.1173	343.1176	−0.87	207, 192
14	48.47	C₁₈H₁₆O₅	313.1072	313.1071	0.32	206, 191
15	48.99	C₁₇H₁₇O₅Cl	337.0844	337.0837	2.08	319, 195
16^*	49.37	C₁₉H₁₈O₆	343.1176	343.1176	0	137
17^*	50.16	C₁₈H₁₆O₅	313.1072	313.1071	0.32	137
18	51.35	C₁₇H₁₇O₄Cl	321.0889	321.0888	0.31	303, 212
19	51.77	C₁₇H₁₄O₄	283.0965	283.0965	0	192
20	52.89	C₁₈H₁₆O₅	313.1071	313.1071	0	137
21^*	57.51	C₁₈H₁₆O₅	313.1071	313.1071	0	121, 192
22	58.06	C₁₉H₁₈O₄	327.1227	327.1227	0	220
23^*	58.48	C₁₇H₁₄O₄	283.0965	283.0965	0	192
24	58.98	C₂₀H₂₀O₆	357.1339	357.1333	1.68	137, 220
25	63.28	C₁₈H₁₆O₄	297.1123	297.1121	0.67	121
26^*	64.80	C₁₇H₁₄O₃	267.1011	267.1016	−1.87	107
27	66.05	C₁₈H₁₅O₅Cl	347.0681	347.0681	0	137
28^*	67.35	C₁₉H₁₈O₅	327.1229	327.1227	0.61	137
29	67.78	C₁₈H₁₆O₄	297.1126	297.1121	1.68	206, 191
30	69.14	C₁₈H₁₆O₄	297.1123	297.1121	0.67	107, 191
31	71.68	C₁₉H₁₈O₅	327.1127	327.1127	0	137
32^*	73.00	C₁₇H₁₄O₃	267.1016	267.1016	0	176
33	75.58	C₁₉H₁₈O₆	343.1176	343.1176	0	137, 167
34	77.18	C₁₉H₁₆O₅	325.1063	325.1071	−2.46	151
35^*	82.33	C₂₀H₂₀O₅	341.1381	341.1384	−0.88	121, 220
36^*	83.90	C₁₉H₁₈O₄	311.1277	311.1278	−0.32	181, 220
37	85.35	C₁₉H₁₈O₆	343.1176	343.1176	0	121
38	86.96	C₁₈H₁₆O₅	313.1071	313.1071	0	222
39^*	91.24	C₁₇H₁₃O₃Cl	301.0625	301.0626	−0.33	210, 170
40	92.32	C₁₇H₁₄O₂	251.1067	251.1067	0
41^*	93.55	C₁₉H₁₈O₄	311.1277	311.1278	−0.32	121, 190

*: 2-(2-phenylethyl) chromone derivatives identified with standards
(1)8-Chloro-5,6,7-trihydroxy-2-(3-hydroxy-4-methoxyphenethyl)-5,6,7,8-tetrahydro-4H-chromen-4-one; (11) 8-Chloro-2-(2-phenylethyl)-5,6,7-trihydroxy-5,6,7,8-tetrahydrochromone; (16) 7-Hydroxy-6-methoxy-2-[2-(3′-hydroxy-4′-methoxyphenyl)ethyl]chromone; (17) 6-Hydroxy-2-[2-(4′-hydroxy-3′-methoxyphenyl)ethenyl]chromone.; (21) Oxidoagarochromone B; (23) Oxidoagarochromone A; (26) 2-(2-4′- hydroxyphenylethyl)chromone; (28) 6-Methoxy-2-[2-(3-methoxy-4-hydroxyphenyl)ethyl]chromone; (32) AH3: 6-Hydroxy-2-(2-phenylethyl)chromone; (35) AH8: 6,7-Dimethoxy-2-[2-(4-methoxyphenyl)ethyl]chromone; (36) AH6: 6,7-Dimethoxy-2(2-phenylethyl)chromone; (39) 6-Hydroxy-8- chloro −2-(2-phenylethyl) chromone; (41) 6-Methoxy-2-[2-(3′-methoxyphenyl)ethyl]chromone

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