To compare the main component composition and content differences of Ziziphus jujuba kernels from dif-ferent regions using Raman spectroscopy,this article takes traditional Chinese medicine slices of Ziziphus jujuba kernels as the research object,analyzes the characteristic peaks of the main components of Ziziphus jujuba kernels from four different regions using confocal microscopy Raman spectroscopy,obtains the Raman spectra and first de-rivative Raman spectra of them,and performs vibration mode assignment analysis.There are obvious characteristic peaks in the vicinity of 299,403,790,873,941,1084,1160,1237,1600 cm-1 for them from different re-gions.There are certain differences in the characteristic peaks of the effective components of Ziziphus jujuba ker-nels from different regions.The characteristic peaks of saponin compounds from Ningxia and Shandong regions are weaker than those from Hebei and Yulin regions;The effective components are saponins,flavonoids,and carbohy-drates;The first derivative spectrum shows a sharp characteristic peak near 237.8,375.9,844.7 cm-1,with high-er resolution,which can be used as a characteristic peak for identifying and identifying Ziziphus jujuba kernels.The characteristic peaks of Raman spectroscopy can be used as a means to identify and identify Ziziphus jujuba ker-nels from different regions,and the results can provide reference for their authenticity identification and quality mo-nitoring.
关键词
共聚焦显微拉曼光谱/酸枣仁/振动模式/拉曼一阶导数/中药成分分析
Key words
confocal microraman spectroscopy/Ziziphus jujuba kernel/vibration mode/the first derivative of Ra-man/composition analysis of traditional Chinese medicine
维普
万方数据