Research Article
Study on Quality Standard of Processed Curcuma Longa Radix
Table 3
Linear ranges survey of 3 curcuminoids in Curcuma Longa Radix.
| Standard substance | Regression equation | Linear range (μg/mL) | Correlation coefficient |
| Curcumin | | 3.3242~13.851 | 0.9997 | Desmethoxycurumin | | 0.6768~2.82 | 0.9997 | Bisdesmethoxycurum | | 0.4699~1.958 | 0.9993 |
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