Analysis of ginsenosides in ginseng products by capillary electrophoresis.

Wong Pak Ki. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2001. / Includes bibliographical references (leaves 86-88). / Abstracts in English and Chinese. / Abstract --- p.i / Acknowledgements --- p.iv / Dedication --- p.v / Table of Contents --- p.vi / List of Abbreviations --- p.ix / List of Appendices --- p.xi / List of Figures --- p.xiv / List of Tables --- p.xx / Chapter Chapter 1: --- Introduction --- p.1 / Chapter 1.1 --- Ginseng and Ginsenosides --- p.1 / Chapter 1.2 --- Instrumental Analysis of Ginsenosides --- p.6 / Chapter 1.2.1 --- Thin Layer Chromatography --- p.6 / Chapter 1.2.2 --- Infrared Spectroscopy --- p.7 / Chapter 1.2.3 --- Colorimetry --- p.7 / Chapter 1.2.4 --- Gas Chromatography --- p.7 / Chapter 1.2.5 --- High Performance Liquid Chromatography --- p.8 / Chapter 1.3 --- Objective of the Study --- p.9 / Chapter Chapter 2: --- Experimental --- p.13 / Chapter 2.1 --- History of Electrophoresis and Capillary Electrophoresis --- p.13 / Chapter 2.1.1 --- Electroosmotic Flow (EOF) --- p.14 / Chapter 2.1.2 --- Electrophoretic Migration --- p.18 / Chapter 2.2 --- Reagents and Materials --- p.20 / Chapter 2.2.1 --- Reagents and Glassware --- p.20 / Chapter 2.2.2 --- Instrumentation --- p.20 / Chapter 2.2.3 --- Preparation of Solutions and Wavelength Selection --- p.22 / Chapter 2.2 --- Procedures --- p.23 / Chapter Chapter 3: --- Results and Discussions --- p.24 / Chapter 3.1 --- Initial Selection of the Running Electrolyte --- p.24 / Chapter 3.2 --- Inclusion Additives in the Aqueous Buffer Solution --- p.29 / Chapter 3.2.1 --- Reasons for Addition of Buffer Additives --- p.29 / Chapter 3.2.1.1 --- Cyclodextrin --- p.29 / Chapter 3.3 --- Addition of Surfactants --- p.33 / Chapter 3.3.1 --- Sodium Dodecyl Sulfate (SDS) --- p.35 / Chapter 3.3.2 --- Sodium Cholate --- p.41 / Chapter 3.4 --- Addition of Organic Modifier --- p.43 / Chapter 3.5 --- Effect of pH --- p.46 / Chapter 3.6 --- Effect of the Concentration of the Borate/Phosphate Solution --- p.51 / Chapter 3.7 --- Effect of Capillaries with Different Inner Diameters (I.D.) --- p.54 / Chapter 3.7.1 --- Effect of pH --- p.54 / Chapter 3.7.2 --- Effect of the Buffer Concentration --- p.60 / Chapter 3.7.3 --- Comparison of Migration Time between Capillaries of 50μm and 75μm Inner Diameter --- p.62 / Chapter 3.8 --- Optimization of Other Experimental Parameters --- p.66 / Chapter 3.8.1 --- Applied Voltage --- p.66 / Chapter 3.8.2 --- The Time of Injection --- p.68 / Chapter 3.8.3 --- The Operating Temperature --- p.70 / Chapter 3.9 --- Intra-day and Inter-day Reproducibility --- p.72 / Chapter 3.10 --- Quantitative Analysis of the Ginsenosides --- p.74 / Chapter 3.11 --- Application of the Developed Methodology --- p.78 / Chapter 3.11.1 --- Experimental Procedures --- p.79 / Chapter Chapter 4: --- Conclusion --- p.83 / References --- p.86 / Appendices --- p.89

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_323400
Date January 2001
ContributorsWong, Pak Ki., Chinese University of Hong Kong Graduate School. Division of Chemistry.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, xx, 104 leaves : ill. ; 30 cm.
RightsUse of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/)

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