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Table 3 Calibration curves

From: The comparison of extraction methods of ganjiang decoction based on fingerprint, quantitative analysis and pharmacodynamics

Standard substance

Linear relation

R2

Liner range (μg/mL)

Ferulic acid

Y = 27206A − 196.23

0.9998

1.5625–100

Gallic acid

Y = 21630A + 39131

0.9999

6.25–200

Ellagic acid

Y = 117421A − 430228

0.9991

6.25–200

Palmatine

Y = 55675A − 70760

0.9994

3.125–200

Berberine Hydrochloride

Y = 13098A − 10110

0.9999

3.125–200

Zingerone

Y = 17424A − 6111.8

0.9984

0.3125–20

Ligustilide

Y = 1437.8A − 1206.1

0.9997

1.5625–100

  1. Y was the corresponding peak area, and A was the concentration