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Table 2 Contents of flavonoids in EtOAc fraction of Begonia semperflorens flowers

From: Pharmacological activity and quantitative analysis of flavonoids isolated from the flowers of Begonia semperflorens Link et Otto

Compound

RT (min)

Calibration curve fit

R 2

Content (%)

1

29.3

y = 25,644.2202x–40,789

0.9997

0.3 ± 0.02

2

36.0

y = 18,150x–10,7941

0.9997

0.8 ± 0.09

3

15.6

y = 49,027x–35,220

1.0000

7.1 ± 0.16

4

14.6

y = 24,033x–32,222

0.9996

11.9 ± 0.03

  1. y = area units, x = concentration in standard solution (ppm)