吳茱萸、穿心蓮等中藥材化學成分分離純化方法研究
[Abstract]:The traditional Chinese medicine has a wide variety of traditional Chinese medicines, and the chemical components contained in the various medicinal materials are very complex and the content is relatively small. Therefore, the separation and purification of the effective components from the traditional Chinese medicine has a far-reaching influence on the pharmacological action of the clinical medicine and the determination of the content. The chemical constituents of Wu's, Andrographis and Anemarrhena are isolated and purified by supercritical fluid chromatography (SFC) and preparative high performance liquid chromatography (PHPLC), respectively. the purity of the obtained compound is detected by high performance liquid chromatography (hplc) and mass spectrometry (ms) is used, The structure of the obtained compound was identified by ultraviolet (UV) and nuclear magnetic resonance spectroscopy (NMR). In this paper, the SFC method for separating and purifying the components such as Wu's base and the base of Wu's tribasic was established. In this study, the most suitable chromatographic conditions for the separation and purification of Wu's base and the base of Wu's tribasic were established by examining the influence of the type of the column, the type of the modifier, the content, the flow rate, the pressure and the temperature on the separation effect. The purity of the obtained compound was 99.5% and 99.8% by HPLC, and the chemical structure of Wu's base and Wu's tribasic was obtained by UV and NMR. According to the experimental data, the van't Hoff curve is obtained, and the thermodynamic rule of the SFC separation process is further discussed. In this paper, the difference of the difference between the temperature and the entropy of the alkali from the mobile phase to the fixed phase is compared with the difference of the entropy variation. The results show that under this condition, In this paper, the SFC process of the purification of the two kinds of diolactone in Andrographis paniculata was studied by using SC-CO _ 2 as the main body of the SFC mobile phase, and a certain amount of modifier (such as methanol, ethanol, isopropanol, acetonitrile, etc.) was added. A method for separating and purifying the chemical constituents of Andrographolide and dehydroandrographolide from Andrographis paniculata is established. The most suitable chromatographic conditions for separating and purifying andrographolide and dehydroandrographolide from Andrographis paniculata were established by examining the influence of the type of the column, the type of the modifier, the content, the flow rate, the pressure and the temperature on the separation effect. The purity of the compound obtained from the separation and purification of the Andrographis paniculata is 99.1% and 98.5%, respectively, and the chemical structure of the andrographolide and the dehydrated andrographolide is obtained by UV and NMR. According to the experimental data, the van't Hoff curve is obtained, and the thermodynamic rule of the SFC separation process is further discussed. comparing the pressure difference between the andrographolide and the dehydrated andrographolide from the flowing phase to the fixed phase distribution process, and the result shows that under the condition, the process of separating and purifying the SFC process of the andrographolide and the dehydrated andrographolide from the Andrographis paniculata is the process of the control of the water,3. the two kinds of flavonoids in the purified wood butterfly are separated and purified by the PHPLC, and the methanol-water is used as the mobile phase, A PHPLC method for separating and purifying the berberine-7-O-glucose and the berberine-7-O-digluconate from a butterfly was established. A C18 column (250 mm, 25.4 mm I. D.,10. mu.m) was used as the mobile phase for isocratic elution with methanol-water (45:55, V/ V), with a loading amount of 20 mg, a flow rate of 30 m L/ min, and a detection wavelength of 280 nm. The purity of the two compounds obtained from the separation and purification of the wood butterfly is 98.1% and 98.9%, respectively, and then the MS, the UV and the NMR are used for identification, The chemical structure of the berberine-7-O-glucomin and the berberine-7-O-digluconate was obtained.4. The PHPLC was used to separate and purify the two kinds of flavonoids in anemarrhena, and a PHPLC method for separating and purifying the mango and the new mango juice from anemarrhena was established. A C18 column (250 mm, 25.4 mm I. D.,10. mu.m) was used, and the mobile phase was methanol-water (35:65, V/ V) isocratic elution, the loading amount was 27.6 mg, the flow rate was 35 m L/ min, and the detection wavelength was set to 254 nm. The purity of the two monomer components isolated from Rhizoma Anemarrhenae was 98.4% and 99.1%, respectively. The chemical structure of the two monomer components was identified as mango juice and new mango juice by MS, UV and NMR.
【學位授予單位】:聊城大學
【學位級別】:碩士
【學位授予年份】:2017
【分類號】:R284.1
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