Abstract The main active components of Arnebia euchroma, a common Chinese herbal medicine, are naphthoquinone compounds, which have various pharmacological effects. This research on the extraction process of arnebia euchroma materials is introduced into the organic chemistry experiment course. Two variable parameters of extraction solvent ratio and extraction time were studied. Students design and conduct experiments by themselves. The experiment comprehensively uses the basic operations of organic chemistry and analytical chemistry experiments. At the same time, this experience enhances students’ study interests and experimental design, data processing and analysis.
REN Xiao-Hong, GAO Su-Hua, XUE Song, WANG Xiao-Yan. Teaching Practice of Chemistry Comprehensive Experiment in University with Extraction Experiment of Arnebia Euchroma as Example[J]. Chinese Journal of Chemical Education, 2023, 44(14): 61-66.