Abstract
A novel extraction method based on environmental protection was founded through molecularly imprinted polymers (MIPs), overcoming the defects of traditional extraction methods, such as reagents consuming, complex operation and environmental pollution. MIPs were prepared by precipitation polymerization with picroside II or ginsenoside rg1 as the template molecule. The morphology of MIPs was characterized by scanning electron microscope and its static adsorption capacity was measured by the Scatchard equation. In addition, MIPs were filled in the solid phase extraction (SPE) column to separate and enrich the template molecule and its analogues, compared with C18-SPE column. The results indicated that MIPs have high affinity toward the template molecules, which might offer a novel method for the extraction of active compounds in the traditional herbal medicine.
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