Analyte

Regression

equation

Correlation coefficient

R2

Linear range

(ng∙mL1)

Detection limit

(ng∙mL1)

Enrichment factor

EF

Umbelliferone

0.9987

0.769 ~ 769.2

0.154

29.3

Scoparone

0.9998

0.769 ~ 769.2

0.154

35.0

Psoralen

0.9961

0.154 ~ 769.2

0.077

10.6

Bergapten

0.9957

0.769 ~ 769.2

0.154

15.7

Isobergapten

0.9960

1.538 ~ 1538

0.308

70.4

Oxypeucedanin

0.9945

1.538 ~ 1538

0.308

29.0

Imperatorin

0.9949

3.077 ~ 3077

0.616

60.0

Ligustilide

0.9962

15.38 ~ 15385

3.077

56.8

Isoimperatorin

0.9966

7.692 ~ 3846

3.846

55.0

Columbianadin

0.9963

6.154 ~ 3077

3.077

65.5