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Table 3 Retention time and relative composition of the ethyl acetate extract after HPLC analysis and detection in the wavelength of 270 nm

From: In vitro vasorelaxation mechanisms of bioactive compounds extracted from Hibiscus sabdariffa on rat thoracic aorta

Compounds Retention time (min) Content in 10 mg/mL of extract (in %)
Chlorogenic acid 19.66 4.46
Caffeic acid 22.52 1.97
Phenolic acid NI 23.64 4.91
Phenolic acid NI 24.54 2.38
Compound NI 26.40 4.13
Phenolic acid NI 27.33 1.58
Phenolic acid NI 29.22 2.77
Compound NI 43.79 5.03
  1. NI: not identified.