Design and practice of comprehensive experiment based on biochemical majors——Taking extraction,purification,analysis and application of caffeine as example
Based on the classic extraction experiment of caffeine,designed a comprehensive experiment for caffeine extraction,purification,analysis,and application targeting biochemical majors.Includes multidisciplinary knowledge points,such as basic experiments,analytical experiments,applied experiments,and research experiments.The students can learn the principles and usage of the large instruments and equipment on the basis of mastering basic experimental operations proficiently.At the same time,the students perform data calculation and results analysis by the theoretical knowledge learned in practical applications,which can strengthen the students' understanding and application ability of knowledge,and Beneficial for improving students' comprehensive experimental ability and innovative spirit.