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Table 3 Identified metabolites in methanol extract and its different fractions

From: In vitro antioxidant and, α-glucosidase inhibitory activities and comprehensive metabolite profiling of methanol extract and its fractions from Clinacanthus nutans

MeOH Mass Formula (DB) Score (Lib) m/z RT
Glyceric acid rq 322.145 C12H30O4 82.1 73.03153 22.04
Malic acid hex, rq 350.14 C13H30O 82.63 73.03153 31.411
Erythritol hex, bu., rq 410.216 C16H42O4 83.96 73.03153 33.044
Ribitol hex 512.266 C20H52O5 90.44 73.03153 49.243
Neophytadiene 278.297 C20H38 81.5 67.0393 53.357
Mannitol bu 614.316 C24H62O6 86.43 73.03153 56.957
Gluconic acid 628.295 C24H60O7 72.71 73.03153 58.972
Palmitic acid rq 328.28 C19H40O2 75.99 117.0168 59.131
Rhamnose ea., bu., rq 452.227 C18H44O5 71.07 73.03153 59.918
Myo-Inositol hex, ea., bu 612.301 C24H60O6 81.27 73.03153 61.069
Oleic Acid hex 354.295 C21H42O2 74.58 75.01034 63.292
Stearic acid hex, ea., bu., rq 356.311 C21H44O2 75.89 117.0168 63.921
1-Monopalmitin hex, ea., bu., rq 474.356 C25H54O4 86.25 371.2661 76.818
Hexane Mass Formula (DB) Score (Lib) m/z RT
Glycolic acid ea., bu., rq 220.095 C8H20O3 78.81 147.0445 8.457
Glycerol hex, bu 308.166 C12H32O3 86.8 73.03193 18.785
Myristic acid 300.248 C17H36O2 77.37 117.0175 53.071
Hexadecanoic acid bu 270.256 C17H34O2 80.98 87.02704 55.509
Cyclononasiloxane ea., bu 666.169 C18H54O9 78.42 73.03193 64.886
Squalene 410.391 C30H50 76.25 81.05419 83.616
Sulfurous acid 376.301 C21H44O3 79.63 57.05663 85.537
β-Tocopherol 488.405 C31H56O2 78.3 488.3697 87.803
1-Tetracosanol 426.426 C27H58O 74.64 411.3688 87.824
γ-Tocopherol 488.405 C31H56O2 76.32 73.03193 88.004
Lupeol 426.386 C30H50O 78.1 189.1404 98.854
EoAC Mass Formula (DB) Score (Lib) m/z RT
Lactic Acid rq 234.111 C9H22O3 70.76 73.03193 7.867
Hexanoic acid 188.123 C9H20O2 82.18 73.03193 8.127
Oxalic acid 234.074 C8H18O4 74.24 147.0437 11.408
Benzoic acid 194.076 C10H14O2 89.19 135.0956 16.142
Benzeneacetic acid 208.092 C11H16O2 82.37 73.03193 19.06
Tyrosol 282.147 C14H26O2 83.45 179.063 35.281
Arabinitol bu., rq 512.266 C20H52O5 87.01 73.03193 49.249
Vanillic acid 312.121 C14H24O4 81.66 297.1034 49.77
4-Coumaric acid 308.126 C15H24O3 81.65 293.1079 50.764
p-Coumaric alcohol 294.147 C15H26O2 75.26 73.03193 51.005
Azelaic acid 332.184 C15H32O4 85.4 73.03193 51.378
Tryptophol 305.163 C16H27NO 73.32 202.1438 54.561
Syringic acid 342.132 C15H26O5 76.23 327.0037 55.145
Heptasiloxane 532.184 C16H48O6 70.08 355.0375 87.993
D-Xylose bu 438.211 C17H42O5 74.23 191.0664 88.537
BuOH Mass Formula (DB) Score (Lib) m/z RT
Propylene glycol 220.131 C9H24O2 72.85 73.03256 13.928
Dulcitol 614.316 C24H62O6 73.74 73.03256 56.96
Octadecanoic acid 284.272 C18H36O2 71.73 87.02775 62.021
Residual Aqueous Mass Formula (DB) Score (Lib) m/z RT
Butanedioic acid 262.106 C10H22O4 78.34 147.0448 20.507
Xylitol 512.266 C20H52O5 75.32 73.0321 49.24
  1. Subscript with hex-hexane fraction, ea.- ethyl acetate fraction, bu.-butanol fraction, rq-residual aqueous fraction represents the identified compound in that fraction