Fig. 2. Effect of microwave pretreatment time on paeonol extraction yield. Solvent: 25 mL of ethanol, 0.5 g of sample, microwave power 136 W, ionic liquid/sample ratio: 9.0:1.
Fig. 2. Effect of microwave pretreatment time on paeonol extraction yield. Solvent:25 mL of ethanol, 0.5 g of sample, microwave power 136 W, ionic liquid/sampleratio: 9.0:1.