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In this work, caffeine and some catechin compounds + C, EC, EGC, and EGCG were extracted from green teaby using molecular imprinted polymers (MIP) as sorbent materials in a solid-phase extraction (SPE) processknown as MISPE (molecular imprinted solid-phase extraction). For synthesis of MIP, caffeine was employedas the template, MAA as the monomer, EGDMA as the crosslinker, and AIBN as the initiator. A solution ofcaffeine (0.2 mg/mL in methanol) was utilized in the solid extraction cartridges following loading, washing,and elution procedures with acetonitrile, methanol, and methanol-acetic acid (90/10, %v/v) as the solvents,respectively. This solid-phase extraction protocol was applied for the extraction of caffeine and some catechincompounds from green tea. A comparison was made between the results obtained with the MIP cartridges anda traditional C

Solid-Phase Extraction of Caffeine and Catechin Compounds from Green Tea by Caffeine Molecular Imprinted Polymer