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Table 2 Phenolic compounds tentatively identified of Eugenia sp. leaf extracts

From: Eugenia aurata and Eugenia punicifolia HBK inhibit inflammatory response by reducing neutrophil adhesion, degranulation and NET release

Formula [M-H] Theoretical mass Experimental mass [M – H]m/z Δm (ppm) MS/MS fragments m/z Compound identification HEEP
HEEA
EA
EP
C7H5O5 169,0142 169,0148 −1,49 151,125 gallic acid HEEP Ep
C7H10O6 191,0561 191,0561 0,06 173,134 quinic acid HEEA Ea
C7H11O6 197,0458 197,0461 −1,28 169, 140, 124 syringic acid HEEP Ep
C14H5O8 300,9990 300,9996 −1,69 284, 257, 229, 185 ellagic acid HEEP HEEA Ep
C13H15O10 331,0671 331,0670 −0,39 271, 211, 169 monogalloyl-glucose HEEP HEEA Ep
C15H20O10 359,0984 359,0979 1,31 271,169 Glycosyringic acid HEEP Ep
C17H19O9 367,1035 367,1050 0,29 326,193,173,134 3-Feruloylquinic acid HEEA  
C19H13O12 433,0412 433,0423 −2,11 300,169, 125 Ellagic acid xyloside HEEP  
C20H17O11 433,0776 433,0768 2,52 300,271,169 Quercetin-3-O-α − arabinopyranoside HEEP Ep
C21H19O11 447,0933 447,0936 −0,7 301, 271,151 Quercetin-3-O-β − rhamnose HEEP HEEA Ep Ea
C21H19O12 463,0880 463,0882 0,43 317, 271, 179 myricitrin HEEA HEEP Ea
C18 H23O14 463,1166 463,1086 1,19 301, 169 Mudanoside B HEEP Ep
C20H17O14 481,0624 481,0642 −3,78 447, 301, 275, 211,169 HHDP glucose isomer HEEP Ep
C23H31O11 483,1872 483,1858 2,16 447, 331,169 Digalloylglucose isomer HEEP Ep
C27H30O15 593,1502 593,1547 1,67 415, 341, 284,103 rutinosylkaempferol HEEA  
C27H19O14 609,1480 609,1461 −3,1 511, 300, 151 Rutin HEEA Ea
C39H19O8 615,1087 615,1086 −0,1 463, 301, 241, 169 Quercetin galloylhexoside isomer HEEP Ea Ep
C34H24O22 783,0686 783,0681 0,7 481, 381, 275 bis HHDP-glucose isomer HEEP  
  1. Ep = E. punicifolia; Ea = E. aurata (HEEP and HEEA fraction soluble in ethanolic solution)