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. 2022 Mar 25;8(3):e09182. doi: 10.1016/j.heliyon.2022.e09182

Table 2.

Clethra fimbriata hexanic extract major component characterization as determined by HPLC-ESI-QTOF-MS analyses.

Compound name CT MF MW g/mol RT (min) ME (ppm) RA (%) OI Conf.
Unknown Fatty acid C23 H32 O2 339.2339 10.79 3 7.49 [M-H]− Putative
Dihydroursolic acid Triterpen C30 H50 O3 457.3695 12.245 1.68 6.09 [M-H]− MS/MS
Camelliagenin A Triterpen C30 H50 O4 473.3651 18.154 3.1 5.03 [M-H]− Putative
Betulinic acid Triterpen C30 H48 O3 455.3544 10.695 2.85 3.36 [M-H]− MS/MS
Jasmone Monoterpen C11 H16 O 163.1128 10.788 0.16 3.29 [M-H]− Putative
Isopalmitic acid Fatty acid C16 H32 O2 255.2336 11.441 2.47 3.22 [M-H]− MS/MS
Methoxy-heptadecanoic acid Fatty acid C18 H34 O2 281.2494 11.756 3.24 3.1 [M-H]-[H20] MS/MS
Methyl-heptadecanoic acid Fatty acid C18 H36 O2 283.265 12.642 3.15 2.86 [M-H]− MS/MS
Linoleic acid Fatty acid C18 H32 O2 279.2336 11.127 2 2.39 [M-H]− Putative
keto stearic acid Fatty acid C18 H34 O3 446.3779 15.308 3 1.95 [M-H]-[H20] MS/MS
Octadeacanoic acid Fatty acid C18 H34 O4 295.2287 9.627 1.81 1.67 [M-H]-[H20] MS/MS
Hexacosanoic acid Fatty acid C26 H52 O2 395.3907 13.39 3 1.63 [M-H]− Putative
Unknown Alkaloid C12 H21 N 224.166 10.511 2 1.61 [M-H]− Putative
Ursolic acid Triterpen C30 H48 O3 455.3543 10.851 1 1.4 [M-H]− MS/MS
alpha-Linolenic acid Fatty acid C18 H30 O2 277.2179 10.666 2 1.37 [M-H]− Putative
Messagenin Triterpen C29 H48 O3 443.3545 18.456 2.99 1.33 [M-H]− MS/MS
α-tocopherol acetate Fatty acid C31 H52 O3 471.3859 23.215 3.5 1.28 [M-H]− MS/MS

CT: Compound type, MF: Molecular Formula, MW: Molecular Weight, RT: Retention Time, ME: Mass Error, RA: Relative Abundance, OI: Observed Ion, Conf: Confirmation.