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Table 2 Retention time and relative composition of the crude 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 %)

Compound NI

20.31

7.89

Chlorogenic acid

21.30

20.18

Anthocyan NI

24.74

2.58

Phenolic acid NI

25.17

27.66

Compound NI

26.74

6.05

Flavonoid NI

30.21

4.17

Flavonoid NI

31.22

4.18

Flavonoid NI

32.59

5.35

Compound NI

43.89

4.56

  1. NI: not identified.