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Molecular authentication of three traditional Chinese medicines: crocodile meat, fish air-bladder and radix stellariae.

Cheung, Chun Wai. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2007. / Includes bibliographical references (leaves 111-128). / Abstracts in English and Chinese. / Acknowledgement --- p.ii / Abstract --- p.iv / 摘要 --- p.vii / Table of content --- p.ix / List of Figures --- p.xvii / List of Tables --- p.xix / Abbreviations --- p.xxi / Chapter Chapter 1. --- Introduction --- p.1 / Chapter 1.1 --- Complementary and Alternative Medicine (CAM) and Traditional Chinese Medicine (TCM) --- p.1 / Chapter 1.2 --- The development of Traditional Chinese Medicine --- p.2 / Chapter 1.3 --- Quality control of Traditional Chinese Medicine --- p.3 / Chapter 1.4 --- Problems of adulteration --- p.5 / Chapter 1.4.1 --- Confusion by common names --- p.5 / Chapter 1.4.2 --- Erroneous and intentional adulteration --- p.6 / Chapter 1.5 --- Authentication of Traditional Chinese Medicine using DNA techniques --- p.7 / Chapter 1.6 --- Crocodile meat --- p.10 / Chapter 1.6.1 --- Crocodile meat as Traditional Chinese Medicine --- p.10 / Chapter 1.6.2 --- Crocodile meat as exotic meat --- p.10 / Chapter 1.6.3 --- Effects of crocodile meat on mice --- p.12 / Chapter 1.6.4 --- Adulteration of crocodile meat in Hong Kong --- p.13 / Chapter 1.6.5 --- Authentication of crocodile meat --- p.14 / Chapter 1.6.5.1 --- SCAR analysis --- p.14 / Chapter 1.6.5.2 --- 12S and 16S ribosomal DNA --- p.14 / Chapter 1.7 --- Fish air-bladder --- p.15 / Chapter 1.7.1 --- Fish air-bladder as Traditional Chinese Medicine --- p.15 / Chapter 1.7.2 --- A case study --- p.16 / Chapter 1.7.3 --- Authentication of fish air-bladder --- p.17 / Chapter 1.8 --- Radix Stellariae --- p.18 / Chapter 1.8.1 --- Stellaria dichotoma L. var. lanceolata Bge --- p.18 / Chapter 1.8.2 --- Radix Stellariae as Traditional Chinese Medicine --- p.19 / Chapter 1.8.3 --- Chemicals in Radix Stellariae and their uses --- p.19 / Chapter 1.8.4 --- Adulteration of Radix Stellariae --- p.20 / Chapter 1.8.5 --- Authentication of Radix Stellariae --- p.21 / Chapter 1.8.5.1 --- Internal Transcribed Spacers (ITS) --- p.21 / Chapter 1.8.5.2 --- trnH-psbA intergenic spacer --- p.23 / Chapter 1.9 --- Objectives --- p.25 / Chapter Chapter 2. --- Materials and Methods --- p.26 / Chapter 2.1 --- Samples used in the study --- p.26 / Chapter 2.1.1 --- Crocodile and monitor lizard samples --- p.26 / Chapter 2.1.2 --- Sequence from NCBI database --- p.26 / Chapter 2.1.3 --- Fish air-bladder samples --- p.30 / Chapter 2.1.4 --- Radix Stellariae samples and samples of related species --- p.33 / Chapter 2.1.5 --- Sequences from NCBI database --- p.33 / Chapter 2.2 --- Reagents and equipments --- p.36 / Chapter 2.2.1 --- Sample preparation and DNA extraction --- p.36 / Chapter 2.2.2 --- Polymerase Chain Reaction --- p.38 / Chapter 2.2.3 --- Agarose gel electrophoresis and Gene Clean --- p.39 / Chapter 2.2.4 --- Cloning --- p.40 / Chapter 2.2.5 --- Cycle sequencing --- p.41 / Chapter 2.3 --- Experimental procedures --- p.42 / Chapter 2.3.1 --- Sample preparation --- p.42 / Chapter 2.3.2 --- DNA extraction --- p.42 / Chapter 2.3.3 --- Polymerase Chain Reaction --- p.44 / Chapter 2.3.4 --- Agarose gel electrophoresis --- p.47 / Chapter 2.3.5 --- Gene Clean --- p.47 / Chapter 2.3.6 --- Cloning --- p.48 / Chapter 2.3.7 --- Cycle sequencing and sequence analyses --- p.51 / Chapter Chapter 3. --- Crocodile meat - Results and Discussion --- p.54 / Chapter 3.1 --- Results --- p.54 / Chapter 3.1.1 --- SCAR analysis --- p.54 / Chapter 3.1.2 --- Sequence analyses --- p.55 / Chapter 3.1.3 --- The dendrograms --- p.56 / Chapter 3.2 --- Discussion --- p.60 / Chapter 3.2.1 --- SCAR as a quick and inexpensive method for the authentication of crocodile meat --- p.60 / Chapter 3.2.2 --- DNA sequencing - A useful tool to identify the source species of the crocodile meat --- p.61 / Chapter 3.2.3 --- Adulteration of crocodile meat in Hong Kong --- p.63 / Chapter 3.2.4 --- Source species of the genuine crocodile meats and the adulterants --- p.63 / Chapter 3.2.5 --- Regulation of labeling of food in Hong Kong --- p.69 / Chapter 3.2.6 --- Source species of the lizard head and tail from AFCD --- p.69 / Chapter 3.3 --- Summary --- p.70 / Chapter Chapter 4. --- Fish air-bladders - Results and Discussion --- p.72 / Chapter 4.1 --- Results --- p.72 / Chapter 4.1.1 --- Identities of sample BH and F1 --- p.73 / Chapter 4.1.2 --- Identity of sample BS --- p.74 / Chapter 4.1.3 --- Identities of samples GD and ZG --- p.74 / Chapter 4.1.4 --- Identity of sample GG --- p.74 / Chapter 4.1.5 --- "Identities of samples HB, HT and SH" --- p.75 / Chapter 4.1.6 --- Identity of sample JL --- p.75 / Chapter 4.1.7 --- Identity of sample MS --- p.76 / Chapter 4.1.8 --- Identity of sample RE --- p.76 / Chapter 4.2 --- Discussion --- p.77 / Chapter 4.2.1 --- Sample RE was confirmed to have originated from rabbit ears --- p.77 / Chapter 4.2.2 --- Identities of the dry fish air-bladders sold in Hong Kong --- p.79 / Chapter 4.2.3 --- Identities of the fresh fish air-bladders sold in Hong Kong --- p.82 / Chapter 4.2.4 --- Limitations of the use of DNA sequences for source species identification --- p.83 / Chapter 4.2.5 --- Variation in prices of fish air-bladders --- p.87 / Chapter 4.3 --- Summary --- p.88 / Chapter Chapter 5. --- Radix Stellariae - Results and Discussion --- p.89 / Chapter 5.1 --- Results --- p.89 / Chapter 5.1.1 --- Sequence analyses --- p.90 / Chapter 5.1.2 --- The dendrograms --- p.90 / Chapter 5.2 --- Discussion --- p.97 / Chapter 5.2.1 --- Identities of the samples obtained from the market --- p.97 / Chapter 5.2.2 --- Identity of sample Sdl4 --- p.97 / Chapter 5.2.3 --- Identities of samples Sd02R and Sd04 --- p.100 / Chapter 5.2.4 --- Myosoton aquaticum in the Stellaria-Myosoton clade --- p.104 / Chapter 5.2.5 --- Medicinal uses of the substitutes of Radix Stellariae --- p.105 / Chapter 5.3 --- Summary --- p.106 / Chapter Chapter 6. --- Conclusion --- p.107 / Reference --- p.111 / Appendix 1. 12S rDNA sequences of crocodilian and Varanus species obtained from NCBI database for sequence analyses --- p.129 / Appendix 2. 16S rDNA sequences of crocodilian and Varanus species obtained from NCBI database for sequence analyses --- p.130 / "Appendix 3. ITS sequences of the species in the genera Arenaria, Myosoton, Silene, and Stellaria obtained from NCBI database for sequence analyses" --- p.131 / Appendix 4. 7rnH-psbA intergenic spacer sequences of Silene species obtained from NCBI database for sequence analyses --- p.132 / Appendix 5. Sequence alignment of 12S rRNA gene sequences of crocodile and monitor lizard samples --- p.133 / Appendix 6. Sequence alignment of 16S rRNA gene sequences of crocodile and lizard samples --- p.141 / Appendix 7. Sequence alignment of coxl sequences of fish air-bladder samples --- p.149 / Appendix 8. Sequence alignment of 12S rRNA gene sequences of fish air-bladder samples --- p.151 / Appendix 9. Sequence alignment of 16S rRNA gene sequences of fish air-bladder samples --- p.153 / Appendix 10. Sequence alignment of coxl region of Vibrio parahaemolyticus and the coxl primers --- p.155 / Appendix 11. Sequence alignment of ITS sequences of Radix Stellariae and related samples --- p.156 / Appendix 12. Sequence alignment of trnH-psbA of Radix Stellariae and related samples --- p.163 / Appendix 13. Search results of coxl sequences of the fish air-bladder samples in BOLD-IDS --- p.167 / Appendix 14. Search results of coxl sequences of the fish air-bladder samples in NCBI nucleotide BLAST --- p.168 / Appendix 15. Search results of 12S rDNA sequences of the fish air-bladder samples in NCBI nucleotide BLAST --- p.169 / Appendix 16. Search results of 16S rDNA sequences of the fish air-bladder samples in NCBI nucleotide BLAST --- p.170 / Appendix 17. Sequence similarities (%) of coxl sequences of the fish air-bladder samples --- p.171 / Appendix 18. Sequence similarities (%) of 12S rDNA sequences of the fish air-bladder samples --- p.172 / Appendix 19. Sequence similarities (%) of 16S rDNA sequences of the fish air-bladder samples --- p.173

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_326120
Date January 2007
ContributorsCheung, Chun Wai., Chinese University of Hong Kong Graduate School. Division of Molecular Biotechnology.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, xxii, 173 leaves : ill. (some col.) ; 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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