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The regression equation and R2 value obtained from various concentration of anthricin, and the content of anthricin in the methanol extracts of C. obtusa leaves.
| Compound | Regression Equation | R2 Value | Absolute Concentration a (μg/1000 mL) |
|---|---|---|---|
| Anthricin | y = 0.0029x − 0.6787 | 0.9945 | 36.1 |
a Anthricin concentration contained in methanol extract (1.25 μg dried extract/mL) of C. obtusa leaves.
