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Table 5 Calibration curve equations for compounds 112

From: Antioxidant activity of different cultivars of Chrysanthemum morifolium and quantitative analysis of phenolic compounds by HPLC/UV

Compound

tR

Calibration equation a

Correlation factor, r2 b

1

11.35

Y = 8915.4X–4769.5

0.9999

2

14.43

Y = 16839X–4521.8

0.9999

4

18.06

Y = 4242.2X–44429

0.9999

5

19.03

Y = 4688X–6077.2

1.0000

6

20.12

Y = 7554.9X—148153

0.9996

7

21.59

Y = 12983X + 27818

1.0000

8

21.77

Y = 9367.5X—49947

0.9999

9

30.05

Y = 7254.3X—25314

0.9999

10

32.30

Y = 29378X—91446

1.0000

11

38.00

Y = 31246X + 17635

0.9999

12

41.26

Y = 21932X + 55315

0.9990

  1. aY = peak area, X = concentration of the standard (µg/mL)
  2. br2 = coefficient of determination for five calibration data points (n = 3)