Table 1 LCMS analysis and database search results of P. rubiginosum methanolic bark extract
Peak Number | Compounds | Formula | RT | Mass | m/z | DB diff (ppm) |
|---|---|---|---|---|---|---|
1 | 3-Aminocaproic acid | C6H13NO2 | 1.256 | 131.0946 | 132.1019 | − 0.1 |
2 | 3-O-Ethyl-L-ascorbic acid | C8H12O6 | 2.889 | 204.0615 | 209.0409 | 9.41 |
3 | 3,5,6-Trihydroxy-5-(hydroxymethyl)-2-methoxy-2-cyclohexen-1-one | C8H12O6 | 3.229 | 204.0615 | 209.041 | 9.37 |
4 | Azocyclotin | C20H35N3Sn | 3.291 | 429.1867 | 452.1755 | 2.93 |
5 | Ethyl Oxalacetate | C8H12O5 | 3.523 | 188.0681 | 171.0649 | 1.72 |
6 | 13-Deoxycarminomycin | C26H29NO9 | 3.565 | 499.1891 | 482.1859 | − 9.79 |
7 | Validamycin B | C20H35NO14 | 3.798 | 513.2033 | 496.2003 | 4.76 |
8 | Diphenyl disulfide | C12H10S2 | 4.238 | 218.0234 | 241.0128 | − 4.78 |
9 | Mahaleboside | C15H16O8 | 4.682 | 324.0838 | 307.0804 | 2.08 |
10 | DL-Sulforaphane | C6H11NOS2 | 4.784 | 177.0244 | 182.0029 | 21.51 |
11 | Octylamine | C8 H19 N | 4.808 | 129.1519 | 130.1592 | − 1.38 |
12 | 2-(4-Methyl-5-thiazolyl)ethyl formate | C7H9NO2S | 5.106 | 171.0349 | 172.0422 | 2.73 |
13 | Taraxinic acid glucosyl ester | C21H28O9 | 5.202 | 424.1726 | 407.1695 | 1.69 |
14 | Cetraxate benzyl ester | C24 H29 NO4 | 5.311 | 395.2144 | 378.2125 | 0.77 |
15 | 3-Dimethylallyl-4-hydroxymandelic acid | C13H16O4 | 5.376 | 236.1036 | 219.1009 | 5.15 |
16 | Isatidine | C18H25NO7 | 5.386 | 367.1641 | 390.1537 | − 2.83 |
17 | alpha-Hydrojuglone 4-O-b-D-glucoside | C16H18O8 | 5.742 | 338.0996 | 321.0962 | 1.6 |
18 | Netilmicin | C21H41N5O7 | 5.782 | 475.2987 | 476.3056 | 4.04 |
19 | 2-[[(3a,5b,12a)-12-hydroxy-24-oxo-3-(sulfooxy)cholan-24-yl]amino]-Ethanesulfonic acid | C26H45NO9S2 | 6.207 | 579.2532 | 584.2313 | 0.62 |
20 | Epicatechin 3-O-(4-methylgallate) | C23H20O10 | 6.853 | 456.1041 | 439.1006 | 3.48 |
21 | Thiodiacetic acid sulfoxide | C4H6O5S | 7.601 | 165.9906 | 170.9693 | 17.95 |
22 | 2-Naphthalenethiol | C10H8S | 7.644 | 160.0341 | 183.0234 | 3.54 |
23 | L-Pyridosine | C12H18N2O4 | 8.842 | 254.1279 | 259.1065 | − 4.72 |
24 | (2E)-Piperamide-C5:1 | C16H19NO3 | 9.567 | 273.1359 | 256.1325 | 2.27 |
25 | N1-Caffeoyl-N10-feruloylspermidine | C26H33N3O6 | 10.07 | 483.2305 | 466.2273 | 13.36 |
26 | Rosmarinate | C18H16O8 | 10.234 | 360.0838 | 361.0911 | 2.11 |
27 | 23-Acetoxysoladulcidine | C29H47NO4 | 10.747 | 473.3581 | 478.3365 | − 16.02 |
28 | Butylparaben | C11H14O3 | 10.897 | 194.0937 | 195.101 | 3.07 |
29 | L-Tryptophanamide | C11H13N3O | 11.07 | 203.107 | 186.1034 | − 5.41 |
30 | Sulfadimidine | C12H14N4O2S | 11.326 | 278.0857 | 279.0927 | − 7.09 |
31 | ( +)-Prosopinine | C18H35NO3 | 11.33 | 313.2612 | 314.2681 | 1.49 |
32 | E-64 | C15H27N5O5 | 11.617 | 357.2018 | 362.1804 | − 1.5 |
33 | Mitragynine | C23H30N2O4 | 11.647 | 398.2216 | 403.2002 | − 2.58 |
34 | Phytosphingosine | C18H39NO3 | 12.02 | 317.2919 | 318.2991 | 3.3 |
35 | Mitoxantrone | C22H28N4O6 | 13.37 | 444.2034 | 445.2106 | − 5.69 |
36 | Erinacine P | C27H40O8 | 14.117 | 492.273 | 493.2797 | − 1.45 |
37 | Glycine, N-[(3a,5b,7a)-3-hydroxy-24-oxo-7-(sulfooxy)cholan-24-yl]- | C26H43NO8S | 14.245 | 529.2746 | 534.253 | − 6.84 |
38 | 23-Acetoxysoladulcidine | C29H47NO4 | 15.004 | 473.3493 | 496.3383 | 2.64 |
39 | Adenylosuccinic acid | C14H18N5O11P | 15.008 | 463.0779 | 486.0668 | − 8.25 |
40 | Kanamycin C | C18H36N4O11 | 15.227 | 484.2371 | 507.2262 | 1.97 |
41 | 1-Methyl-6-(1,2,3,4-tetrahydro-6-hydroxy-2-naphthyl)-2(1H)-pyridone | C16H17NO2 | 15.243 | 255.1251 | 238.1217 | 3.4 |
42 | Ganglioside GM3 (d18:1/22:1(13Z)) | C63H114N2O21 | 15.325 | 1234.8142 | 631.391 | − 18.42 |
43 | Misoprostol (free acid) | C21H36O5 | 15.412 | 368.2555 | 351.2519 | 2.02 |
44 | Chlorfenvinphos | C12H14Cl3O4P | 15.762 | 357.9718 | 358.9789 | − 6.37 |
45 | Stigmast-22-ene-3,6-dione | C29H46O2 | 16.102 | 426.3497 | 409.3465 | 0.16 |
46 | 17-Hydroxylinolenic acid | C18H30O3 | 16.357 | 294.2189 | 277.2156 | 2.03 |
47 | 17-Hydroxylinolenic acid | C18H30O3 | 16.7 | 294.2189 | 277.2156 | 1.95 |
48 | Chlozolinate | C13H11Cl2NO5 | 16.933 | 330.9947 | 353.9846 | 20.21 |
49 | Tetrahexosylceramide (d18:1/26:1(17Z)) | C70H128N2O23 | 17.28 | 1364.8937 | 705.4359 | − 2.16 |
50 | Tetrahexosylceramide (d18:1/24:0) | C68H126N2O23 | 17.286 | 1338.8781 | 683.4228 | − 2.21 |