Development of sample preparation method for isoliquiritigenin, liquiritin, and glycyrrhizic acid analysis in licorice by ionic liquids-ultrasound based extraction and high-performance liquid chromatography detection

• Published in: Food chemistry Vol. 138; no. 1; pp. 173 - 179
• Main Authors: Yang, Lei, Li, Li-li, Liu, Ting-ting, Zu, Yuan-gang, Yang, Feng-jian, Zhao, Chun-jian, Zhang, Lin, Chen, Xiao-qiang, Zhang, Zhong-hua
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier Ltd 01.05.2013; Elsevier
• Subjects: analysis; anions; Biological and medical sciences; bromides; cations; Chalcones; Chalcones - analysis; Chalcones - isolation & purification; Chemical Fractionation; Chemical Fractionation - methods; chemistry; Chromatography, High Pressure Liquid; Flavanones; Flavanones - analysis; Flavanones - isolation & purification; Food engineering; Food industries; Fundamental and applied biological sciences. Psychology; General aspects; Glucosides; Glucosides - analysis; Glucosides - isolation & purification; Glycyrrhiza; Glycyrrhiza - chemistry; Glycyrrhiza glabra; Glycyrrhizic Acid; Glycyrrhizic Acid - analysis; Glycyrrhizic Acid - isolation & purification; glycyrrhizin; high performance liquid chromatography; Ionic liquid-based ultrasonic-assisted extraction; Ionic Liquids; Ionic Liquids - chemistry; isolation & purification; Isoliquiritigenin; Licorice; Liquiritin; methods; Methods of analysis, processing and quality control, regulation, standards; Plant Extracts; Plant Extracts - analysis; Plant Extracts - isolation & purification; soaking; Ultrasonics; Ultrasonics - methods; Isoliquiritigenin; Licorice; Glycyrrhizic acid; Liquiritin; Ionic liquid-based ultrasonic-assisted extraction; HPLC chromatography; Liquid; Analysis method; Sample preparation; Analysis; Development; Extraction; Control method; Detection; Ultrasound

► Licorice components were first extracted by ionic liquid based method. ► The efficiency in this work is higher than that of the conventional solvent method. ► The proposed approach was confirmed by good recovery and reproducibility. ► The proposed approach has eco-friendly, convenient, high practi...