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. 2021 Jan 8;11(1):42. doi: 10.3390/metabo11010042

Table 4.

The compounds identified in the 70% ethanol extracts of C. orchioides and C. latifolia using UHPLC-Q-Orbitrap HRMS that contributed to the antioxidant and α-glucosidase inhibitory activity.

Peak Code RT [min] BW Type Metabolite Name Formula Chemical Type
Antioxidant Activity
A 5.945 −31.8958 [M + H]+ Curculigoside B C21H24O11 Phenolic glycosides
B 6.680 −31.8958 [M + H]+ Unknown-173 C6H10O13 -
C 13.320 −32.1579 [M − H] Unknown-99 C37H39N14O20 -
D 14.930 −31.8958 [M + H]+ Unknown-176 C15H13O8 -
E 15.050 −31.8958 [M − H] Unknown-175 C26H35O16 -
F 16.848 −37.8736 [M + H]+ (1S,2R)-O-Methylnyasicoside C24H28O11 Norlignan
G 20.320 −37.8736 [M − H] 1,1-Bis(3,4-dihydroxyphenyl-1-(2-furan)-methane C17H14O5 Norlignan
H 20.320 −37.8736 [M − H] Curculigosaponin G C18H18O6 Cycloartane (Triterpene)
I 22.410 −31.8958 [M + H]+ Unknown-179 C47H49O -
J 24.506 −37.8736 [M − H] Curculigoside B C21H24O11 Phenolic glycosides
K 24.506 −37.8736 [M − H] Orchioside B C23H26O10 Phenolic glycosides
L 30.920 −40.3125 [M + H]+ Unknown-185 C47H59O7 -
M 31.435 −39.7257 [M − H] 2,4-Dichloro-5-methoxy-3-methylphenol C8H8Cl2O2 Phenolic
α-Glucosidase inhibitory
A 4.060 −13.3962 [M + H]+ Unknown-76 C13H9O11 -
B 8.770 −13.3962 [M − H] Unknown-77 C13H30N5O11 -
C 14.272 −15.7379 [M + H]+ Orcinol glucoside C13H18O7 Phenolic glycosides
D 14.272 −15.7379 [M + H]+ 1,1-Bis(3,4-dihydroxyphenyl-1-(2-furan)-methane C17H14O5 Phenolic
E 19.801 −15.7379 [M + H]+ 5-Hydroxymethylfurfural C6H6O3 Aldehyde
F 19.801 −15.7379 [M + H]+ Curculigosaponin G C42H70O13 Cycloartane (Triterpene)
G 20.049 −15.7379 [M + H]+ Curculigosaponin I C48H80O18 Cycloartane (Triterpene)
H 22.200 −15.7379 [M − H] Unknown-84 C30H61O19 -
I 23.900 −18.5262 [M + H]+ Unknown-85 C42H51O6 -
J 25.040 −15.7379 [M + H]+ Unknown-87 C57H86N5O5 -
K 26.030 −13.1626 [M − H] Unknown-10 C7H12NO12 -
L 29.010 −13.3962 [M + H]+ Curculigosaponin H C47H78O17 Cycloartane (Triterpene)
M 30.901 −13.3962 [M − H] Unknown-88 C54H68O2 -