Table 6 Calibration curves and IC50 value for FRAP.

From: Extraction and purification of total flavonoids from Zanthoxylum planispinum Var. Dintanensis leaves and effect of altitude on total flavonoids content

Sample

Calibration curve

R2

EC50 (µg/mL)

Vc

y = 0.1095x + 0.1266

0.9826

5.57b

A1-b

y = 0.0573x + 0.0703

0.9882

7.18a

A2-b

y = 0.0708x + 0.1204

0.9551

4.69d

A3-b

y = 0.0657x + 0.1354

0.9723

4.91c

A1-a

y = 0.064x + 0.1321

0.9810

5.11b

A2-a

y = 0.0971x + 0.0183

0.9974

4.47d

A3-a

y = 0.0895x + 0.0117

0.9967

4.97c

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