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Table 3 Calibration curves of constituents

From: Inhibitory effect of Isatis tinctoria L. water extract on DNCB-induced atopic dermatitis in BALB/c mice and HaCaT cells

Compound

Range.(ug/mL,ppm)

Regression equation

r2

LOD(μg/ml)

LOQ(μg/ml)

1

10.0 ~ 100.0

y = 1.2153x + 0.4749

0.9997

0.0091

0.0276

2

20.0 ~ 200.0

y = 0.3532x + 0.1549

1.0000

0.0313

0.0950

  1. Epigoitrin (1); Adenosine (2)
  2. LOD = 3.3 × σ/ S. LOQ = 10 × σ / S. σis the standard deviation of the intercept from the regression equation and S is the slope of the calibration curve
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Chinese Medicine

ISSN: 1749-8546

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