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Updated: Jun 26, 2026

Green Synthesis of Quinoline-Based Ionic Liquid
Published on: September 27, 2024
In vitro solubility, stability and permeability of novel quercetin-amino acid conjugates
Mi Kyoung Kim1, Kwang-su Park, Woon-seok Yeo
1Department of Bioscience and Biotechnology, Konkuk University, Seoul 143-701, Republic of Korea.
Abstract:
In order to discover a quercetin prodrug with improved bioavailability, we synthesized nine quercetin-amion acid conjugates and estimated their pharmacokinetic properties including water solubility, stability against chemical or enzymatic hydrolysis, and cell permeability. Among the synthesized quercetin prodrugs, quercetin-glutamic acid conjugate Qu-E (4g/5g) showed remarkable increases in water solubility, stability, and cell permeability compared with quercetin, which warrants further development as a quercetin prodrug.
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