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Table 2 HPLC-PDA/ESI-MS (negative ionization mode) polyphenolic fingerprint of Ficus vasta leaves extract

From: Phenolic profile and biological properties of the leaves of Ficus vasta Forssk. (Moraceae) growing in Egypt

No. tR (min) Molecular Formula [M-H] UV/Vis (nm) Compound Class mg/g extract RSD (%)
1 6.8 C7H6O5 169, 125 210, 270 Gallic acid Benzoic acid-like acid 76.36 2.70
2 9.7 C15H14O6 289 205, 278 Catechin Flavan-3-ol-like 6.53 1.87
3 12.6 C16H18O9 353, 191 215, 325 Chlorogenic acid Cinnamic acid-like 0.73 1.73
4 16.8 C15H12O5 271 283 Naringenin Flavanone-like 5.84 1.30
5 26.0 C27H30O16 601, 301 254, 354 Rutin Flavonol-glycoside-like 9.33 1.38
6 26.2 C21H20O12 463, 301 254, 354 Isoquercitrin Flavonol-glycoside-like 22.50 2.02
7 28.4 C27H32O14 579, 271 254, 354 Naringin Flavanone-glycoside-like 1.20 3.56
8 29.0 C21H20O12 463, 301 257, 354 Quercetin-3-galactoside Flavonol-glycoside-like 81.75 0.88
9 30.2 C21H20O10 431, 269 270, 330 Vitexin Flavone-glycoside-like 0.64 2.95
10 33.4 C21H20O11 447, 285 256, 346 Kaempferol-3-glucoside Flavonol-glycoside-like 6.72 4.93
11 35.3 C15H10O7 301 370 Quercetin Flavonol-like 0.98 0.81
12 36.4 C15H10O7 285 265, 365 Luteolin Flavone-like 0.49 3.31
  1. Column: Ascentis Express C18, 15 cm × 4.6 mm, 2.7 μm d.p. (ESI, negative ionization mode; when observed, secondary fragment ions are reported).Values are expressed as the mean ± S.D. (n = 3)