Optimization of imperatorin extraction from Qianliexin Capsules using deep eutectic solvent.

Chin Herb Med · 2026 · PMC13069617 · PMID 41971590

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With the increase of liquid-solid ratio, the extraction efficiency showed a trend of first increasing and then decreasing, and reached the highest when the liquid–solid ratio was 20 mL/g ( Fig. 2 C).

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