Abstract
A new ionic liquid composite mesoporous polymer (ILCMP) was synthesized by one-pot copolymerization. The obtained ILCMP with good morphology, good pore diameter distribution, and high adsorption capacity was successfully applied as the sorbent in solid-phase extraction (SPE) to extract and separate quercitrin and myricetin from Chamaecyparis obtusa. 87.8–101.8% of satisfactory recoveries were obtained with RSDs less than 6.2% and the amounts of quercitrin and myricetin in Chamaecyparis obtusa were 0.38 and 0.12 mg/g, respectively. The proposed ILCMP-SPE-HPLC method was applied for the separation, purification, and determination of flavonoids from natural products.
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