Relevant bibliographies by topics / Botany, Medical Plants, Medicinal / Dissertations / Theses
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Dissertations / Theses on the topic 'Botany, Medical Plants, Medicinal'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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1

Reeds, Karen. "Botany in medieval and Renaissance universities." New York : Garland, 1991. http://books.google.com/books?id=quLaAAAAMAAJ.

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Thesis (Ph. D.)--Harvard University, 1975.<br>"Annex: 'Renaissance humanism and botany, ' Annals of science 33 (1976), 519-542 [and] 'Publishing scholarly books in the sixteenth century, ' Scholarly publishing, April 1983, 259-274." Includes bibliographical references (p. 261-283) and index.
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2

Mathabe, Matlakala Christina. "Bioactivity of medicinal plants used for treatment of diarrhoea in selected villages in Limpopo Province, South Africa." Thesis, University of Limpopo (Turfloop Campus), 2006. http://hdl.handle.net/10386/925.

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3

Appidi, Jaipal Reddy. "Evaluation of antidiarrhoeal and toxicological properties of Hermannia Incana cav.: a South African medicinal plant." Thesis, University of Fort Hare, 2010. http://hdl.handle.net/10353/259.

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Hermannia incana Cav. (Sterculiaceae), known as sweet yellow bells, is a medicinal plant used by the people of the Eastern Cape for the treatment of stomach-ache and diarrhoea. It has purgative and diaphoretic effects. It is a prostrate herb with yellow flowers and sparsely hairy and slightly glandular leaves, occurring in grassland and marshes in the Eastern Cape Province of South Africa. Based on the ethnomedical uses of this plant, the research project was designed to evaluate its antidiarrhoeal and toxicological properties. An ethnobotanical study of plants used for the treatment of diarrh
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4

Sanchez-Medina, Alberto. "Phytochemical and pharmacological studies on some endemic Yucatecan medicinal plants." Thesis, University of Greenwich, 2007. http://gala.gre.ac.uk/6291/.

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Four endemic medicinal plants from the Yucatan peninsula belonging to genera with little pharmacological and phytochemical reported information and used for medicinal purposes by local communities were selected. The species selected included Jacquinia flammea Millsp. ex Mez, Sideroxylon foetidissimum Jacq. subsp. gaumeri, Serjania yucatanensis Standl., and Serjania adiantoides Radlk. The root, stem/bank and leaves of each plant species were extracted using ethanol and the resulting crude extracts were tested for their cytotoxic effect using the modified MTT (3-[4,5-Dimethylthiazol-2-yl]-2,5-di
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5

Yip, Ka Man. "Integration metabolomics and glycomics for understanding the traditional usage of morindae officinalis radix." HKBU Institutional Repository, 2020. https://repository.hkbu.edu.hk/etd_oa/724.

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Morindae Officinalis Radix (MOR), Bajitian in Chinese, is the dried root of Morinda officinalis F.C.How. (Rubiaceae). It is one of the most popular herbal medicines used in the southeast region of China. Various types of chemical constituents have been experimentally shown to be bioactive components of MOR, among which secondary metabolites and saccharides predominate. Pharmacological studies revealed MOR shows kidney tonifying, anti- osteoporosis, antidepressant, anti-inflammatory and antioxidant effect. Since 2002, MOR has been approved as a food supplement for daily healthcare, hence increa
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6

Bullard-Roberts, Angelle L. "Medicinal Plants of Trinidad and Tobago: Selection of Antidiabetic Remedies." FIU Digital Commons, 2016. http://digitalcommons.fiu.edu/etd/2546.

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Diabetes mellitus (DM) is a group of non-infectious diseases that cause hyperglycemia. DM symptoms were first clinically described by ancient Greek physicians whose prescriptions included plant-based remedies. Today, DM affects >400 million people globally and prevalence rates are rapidly increasing in developing countries where basic healthcare relies on local knowledge of botanical remedies. Many developing countries are home to diverse peoples and plants—providing fodder for varied plant-selection strategies and unique botanical pharmacopoeias. I addressed the plant-selection strategies use
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7

Nombewu, Nomatile. "The impacts of harvesting circumcision amaryllids from the Eastern Cape Province, South Africa." Thesis, Nelson Mandela Metropolitan University, 2014. http://hdl.handle.net/10948/d1020648.

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This quantitative study seeks to determine the impacts of harvesting three plant species traditionally used for wound healing during circumcision. Three localities where these plant species occur have been identified. The population size for each species was determined and an assessment of the extent of harvesting was determined through repeated assessment of marked plants. A significant harvest of these species resulted in the unsustainable use of our natural resources. Out of 25 Boophone disticha plants marked, only one plant was remaining after two circumcision seasons. The Brunsvigia grand
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8

Hernández, Martínez Victoriano. "Xiuipajmatilistli tlen nauamej tlen uaxtekapaj tlali ipan mexkotlatokajyotl = Etnobotánica médica de los nauas de la Huasteca, México." Doctoral thesis, Universitat de Barcelona, 2013. http://hdl.handle.net/10803/131995.

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Este estudio se realizó en la región naua de la Huasteca (México), que se encuentra en la parte noreste del país y en que confluyen los estados de Veracruz, Hidalgo y San Luís Potosí. El objetivo de esta tesis fue Investigar los recursos herbolarios y las prácticas terapéuticas utilizados por el pueblo naua de la Huasteca. Para ello se realizaron entrevistas a ocho médicos indígenas de esta región, y además se realizó una búsqueda bibliográfica de la misma y de los saberes médicos indígenas y demás relacionados con el tema. De esta investigación se colectó información sobre 136 especies de
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9

White, Andrew Graeme. "The effect of geography, cultivation and harvest technique on the umckalin concentration and growth of pelargonium sidoides (Geraniaceae)." Thesis, Rhodes University, 2007. http://hdl.handle.net/10962/d1003803.

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Pelargonium sidoides DC. (Geraniaceae) root extracts are used in the Eastern Cape Province of South Africa as a traditional medicine for the treatment of respiratory tract and gastro-intestinal infections. Ethanolic extracts are used globally as herbal treatments for bronchitis, asthma and as an immune system booster. Despite documented exploitation of wild populations by illegal harvesters, this species has not been awarded a protected status. The high level of harvest in the years preceding this study prompted this investigation of the prospects for sustainable root harvest through wild harv
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10

易衍. "霸王花的化學成分研究". Thesis, University of Macau, 2011. http://umaclib3.umac.mo/record=b2524960.

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11

Richey-Abbey, Laurel Rhea. "Bush Medicine in the Family Islands: The Medical Ethnobotany of Cat Island and Long Island, Bahamas." Miami University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=miami1335445242.

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12

Juan-Badaturuge, Malindra. "Antioxidant activity and phytochemical evaluations of selected medicinal plants." Thesis, University of Greenwich, 2010. http://gala.gre.ac.uk/8098/.

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The methanolic crude extract of aerial parts of the plant Scrophularia nodosa was shown to have potent DPPH radical scavenging activity (IC50 = 48.75 ± 7.00 μg/ml). Activity-guided fractionation resulted in the isolation of three principal antioxidant compounds; acteoside, angoroside C and angoroside A. Acteoside (yield = 1.21%, IC50 = 15.2 μM) appeared to be the most abundant and most antioxidant-active. The potent antioxidant activity is in support of the traditional use of the plant for wound healing and anti-inflammatory conditions. The methanolic extract of aerial parts of Tanacetum vulga
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13

Goldberg, Karen. "Investigating the sustainability of medicinal plants and the loss of traditional knowledge in a rural community in Namaqualand." Bachelor's thesis, University of Cape Town, 1998. http://hdl.handle.net/11427/25601.

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Up until the early 1990s conservation practices in South Africa were culturally biased, focusing largely on the value systems of the affluent. However, with the release in 1997 of the White Paper on the Conservation and Sustainable Use of South Africa's Biological diversity, the role that biological resources play in providing for the needs of all South Africans, is now emphasized. According to this policy, human needs must be considered if conservation is to be successfully implemented. Using this document as the framework for this study I chose to investigate various aspects of medicinal pla
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14

Tang, Yina. "Comparative study on the morphology, chemistry, metabolism and anti-myocardial ischemia activity of three medicinal species of dioscorea." HKBU Institutional Repository, 2015. https://repository.hkbu.edu.hk/etd_oa/166.

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As folk medicines used in China for decades, Dioscorea nipponica Makino (DN, 穿龍薯蕷), D. panthaica Prain et Burkill (DP, 黃山藥), and D. zingiberensis C. H. Wright (DZ, 盾葉薯蕷) are regarded as having more or less similar traditional therapeutic actions, such as regulating qi, relieving pain, and dispersing swelling. It is noteworthy that, of the 49 species of the genus Dioscorea (薯蕷屬) distributed in China, only these three have been successfully developed as effective single-herb medicines for treating cardiovascular diseases by the modern pharmaceutical industry. Usually considered as the bioactive
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15

Pizzolatto, Marelisa [UNESP]. "Estudos etnobotânicos de plantas medicinais utilizadas por produtores orgânicos da Região de Botucatu - SP: Marelisa Pizzolatto. -." Universidade Estadual Paulista (UNESP), 2004. http://hdl.handle.net/11449/93523.

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Made available in DSpace on 2014-06-11T19:26:41Z (GMT). No. of bitstreams: 0 Previous issue date: 2004-02-20Bitstream added on 2014-06-13T18:30:18Z : No. of bitstreams: 1 pizzolatto_m_me_botfca.pdf: 944805 bytes, checksum: 475fcca7f5e63b644d6bd0661e10b0e2 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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16

McMahon, De'Awna Raquel. "The search for cancer drugs active against signal transduction targets in higher plants." Thesis, Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/30298.

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17

Oliveira, Jaqueline Aparecida de [UNESP]. "Avaliação dos efeitos citotóxicos, genotóxicos, mutagênicos, antigenotóxicos, antimutagênicos e anticarcinogênicos do Lupinus albus em camundongos Mus musculus." Universidade Estadual Paulista (UNESP), 2013. http://hdl.handle.net/11449/87672.

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Made available in DSpace on 2014-06-11T19:22:58Z (GMT). No. of bitstreams: 0 Previous issue date: 2013-04-30Bitstream added on 2014-06-13T20:29:32Z : No. of bitstreams: 1 oliveira_ja_me_rcla.pdf: 782919 bytes, checksum: 52bf93088b58465e8339d891ad9a3145 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>O uso de plantas medicinais é uma prática muito antiga e utilizada pela maioria dos povos em todo o mundo. Lupinus albus (L. albus), conhecido popularmente como tremoço branco, vem sendo usado na medicina popular, em forma de sementes cruas, como regulador de nívei
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18

Matu, Esther Ng'endo. "Medicinal properties and in vitro responses of Mayenus senegalensis (Lam.) exell." Thesis, 2003. http://hdl.handle.net/10413/10051.

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19

Light, Marnie Elizabeth. "An investigation of the medicinal properties of Siphonochilus aethiopicus." Thesis, 2002. http://hdl.handle.net/10413/10184.

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Siphonochilus aethiopicus (Schweinf.) B.L. Burtt (Zingiberaceae), commonly known as wild ginger, is a highly sought after plant for use in traditional medicine in South Africa. Over-exploitation of this medicinal plant has resulted in regional extinction in the wild. As a result, there is great interest in the medicinal properties of S. aethiopicus, and as a plant for small scale cultivation to increase the supply for use in traditional medicine. Water, ethanol and ethyl acetate extracts were prepared from the leaves, rhizomes and roots of S. aethiopicus. These extracts were tested for in vitr
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20

Ogbonnia, Steve Okwudili. "An evaluation of plants used in eastern Nigeria in the treatment of epilepsy and convulsion." Thesis, 2002. http://hdl.handle.net/10413/10215.

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Schumanniophyton magnificum and Glypheae brevis are important medicinal plants growing wild in the West African rain forest. They are used in folkloric medicine in the treatment of epilepsy and convulsion as well as for some other diseases. The purpose of this work was to investigate the aspect of folkloric use in order to support folkloric claims and document the findings. The extracts were prepared from ground plant material by a continuous extraction method. Five hundred grams of ground plant material were continuously de-fatted with 2 L petroleum ether (60°- 80°) in a Soxhlet apparatus for
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21

McGaw, Lyndy Joy. "Evaluation of anthelmintic, antiamoebic and antibacterial activity in traditional South African medicinal plants." Thesis, 2001. http://hdl.handle.net/10413/10201.

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Traditional medicine in southern Africa draws upon a vast selection of plants to treat gastrointestinal disorders such as diarrhoea and intestinal parasites. The evaluation of these plants for biological activity is necessary, both to substantiate the use of these plants by healers, and also a possible lead for new drugs or herbal preparations. After a survey of the existing ethnobotanical literature, plants used to treat stomach ailments such as diarrhoea, dysentery or intestinal worm infestations were selected and submitted to bioassays according to their traditional uses. Extracts of the ch
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22

Appleton, Margaret Rae. "Micropropagation of Hypoxis colchicifolia Baker, a valuable medicinal plant." Thesis, 2004. http://hdl.handle.net/10413/10081.

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The large geophytic monocotyledon, Hypoxis colchicifolia Baker, has been identified for the importance of its corm extracts in the development of a potential non-toxic prodrug for the treatment of inflammation, certain malignancies and HIV-infection. The underground corms of this plant are also commonly used for therapeutic applications in traditional medicine in Kwazulu-Natal where it primarily occurs. A review of published literature revealed, however, that H. colchicifolia plants are currently harvested in an unsustainable manner from traditional collecting sites due largely to population g
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23

Stafford, Gary Ivan. "Storage of frequently used traditional South African medicinal plants." Thesis, 2003. http://hdl.handle.net/10413/5639.

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The post-harvest physiology of nine frequently used indigenous southern African medicinal plants was investigated, in particular the effects of storage time and accelerated ageing on the biological activity and chemical constituents of these plants. Water, ethanol and hexane extracts of fresh plant material as well as material that had been stored in dry form in paper bags at room temperature for 90 days (short-term) were tested. Three bioassays, the COX-1 anti-inflammatory assay, nematode anthelmintic assay and minimum inhibitory concentration anti-bacterial assay, were used to determine biol
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24

Shale, Thato Lucy. "Anti-bacterial and anti-inflammatory activity of medicinal plants used traditionally in Lesotho." Thesis, 2003. http://hdl.handle.net/10413/10191.

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A significant potion of the population in Lesotho relies on traditional medicine to meet its health care requirements. Traditional healers and herbalists were interviewed from Qacha's Nek (Highlands) and Mohale's Hoek (Lowlands) districts in Lesotho on plants used by the Basotho in traditional remedies. Fifteen plants were reported to be used for bacterial infections while thirteen plants were used for diseases associated with inflammation . Plant roots were most often used to make water extracts. Mainly high altitude plants are used with lowland healers obtaining most of their plant material
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25

Komolafe, Naomi Tope. "Antimicrobial activity of some medicinal plant extracts against bacteria causing diarrhoea." Diss., 2014. http://hdl.handle.net/10500/18907.

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Infectious diarrhoea is the second largest single cause of mortality in children under the age of five globally. Bacteria are responsible for most diarrhoeal episodes especially in developing countries, and progressive increase in antimicrobial resistance has given rise to the need to investigate other sources of therapy such as medicinal plants. Ten plant extracts were analysed for their antimicrobial activities using the agar well diffusion and broth microdilution method. Their phytochemical contents were screened, and their effect on 1, 1-diphenyl-2-picrylhydrazyl (DPPH) was used to assess
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26

Chukwujekwu, Jude Chinedu. "A pharmacological study of some Nigerian medicinal plants." Thesis, 2005. http://hdl.handle.net/10413/10196.

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Petroleum ether, dichloromethane, and 80% ethanol extracts of 15 plant species collected in Nigeria were screened for in vitro antibacterial, anti-inflammatory and antimalarial activities. Antibacterial activity was tested using the agar diffusion method, while the minimum inhibitory concentrations (MIC) of the active extracts were determined using the microtitre serial dilution method. Most antibacterial activity detected was against Gram-positive bacteria with Staphylococcus aureus being the most susceptible. The highest activity was found in petroleum ether and dichloromethane leaf extracts
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Mulaudzi, Takalani Millicent. "Bioactivity and chromatographic profiles of the selected medicinal plants against candida albicans." Diss., 2015. http://hdl.handle.net/11602/304.

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Grace, Olwen Megan. "Bark in traditional healthcare in KwaZulu-Natal, South Africa : usage, authentication and sustainability." Thesis, 2002. http://hdl.handle.net/10413/8574.

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Healthcare in South Africa is polarised between western and traditional African systems of therapy. The latter is consulted by the majority of the population and therefore plays an integral role in the delivery of healthcare to South Africans. Traditional medicines are primarily plant products with long storage lives, among which the dominance of bark is typical of southern African traditional healthcare systems. Expansion of the traditional healthcare sector during the twentieth century, in response to rising consumer demands, stimulated a lucrative trade in medicinal plants that is centred i
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Matshediso, Phatsimo Gimamah. "Development of pressurised hot water extraction (PHWE) for essential components from Moringa Oleifera and Ovalifolia leaves." Thesis, 2015. http://hdl.handle.net/10539/16915.

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A dissertation submitted to the Faculty of Science, University of the Witwatersrand, Johannesburg, in fulfilment of requirements for the degree of Master of Science. Johannesburg, 2014.<br>Unable to load abstract.
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Ntuli, Siyabulela Sboniso Brightson Noel. "Ethnopharmacology and phytochemistry of some selected medicinal plants in KwaZulu Natal." Thesis, 2006. http://hdl.handle.net/10413/8584.

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In this ethnopharmacological study to isolate, purify, identify and test crude and isolated compounds from organic and aqueous extracts from stem and leaves of Protorhus longifolia and Sclerocarya birrea, stem bark of Hibiscus cannabinus and Heteropyxis natalensis, leaves of Acokanthera venenata, Carissa marcrocarpa and Syzygium cordatum, seeds of Chiononthus foveolatus and calyces of Hibiscus sabdariffa were tested against seven pathogenic microorganisms which included six bacterial species [Klebsiella pneumoniae (ATCC 12265), Bacillus cereus (ATCC 11778), Salmonella typhimurium (ATCC 13311),
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31

Buwa, Lisa Valencia. "Biological activity of traditional medicinal plants used against venereal diseases in South Africa." Thesis, 2006. http://hdl.handle.net/10413/8554.

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Throughout the history of mankind, many infectious diseases have been treated with plant extracts. Venereal infections are one such group and are regarded as conditions that are highly responsive to traditional treatment. Aqueous, ethanol and ethyl acetate extracts of 13 plants used in South Africa for the treatment of venereal diseases were screened for in vitro antibacterial, antifungal, mutagenic and antimutagenic activities. Antibacterial activity was evaluated using the disc-diffusion and microdilution assays to determine the minimal inhibitory concentration (MIC) values of the extracts.
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Netshiluvhi, Thiambi Reuben. "Aspects of seed propagation of commonly utilised medicinal trees of KwaZulu-Natal." Thesis, 1996. http://hdl.handle.net/10413/4922.

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Due to over-exploitation of commonly-used medicinal plants, mainly from KwaZuluNatal, because of ever-increasing human population growth, many of the useful medicinal plants are becoming depleted in their natural habitats. Some species like Warburgia salutaris, which is currently declared very rare in the KwaZulu-Natal province, appear to be on the verge of extinction. In order to counteract this overexploitation, this study sought to provide information that could help resource users to grow these threatened species through ex situ conservation methods. A short list of heavily utilised medici
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Makunga, Nokwanda P. "Genetic transformation and micropropagation of Thapsia garganica L. - a medicinal plant." Thesis, 2003. http://hdl.handle.net/10413/10057.

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"In vivo and in vitro mechanistic studies of the wound healing effects of Rehmanniae Radix." 2012. http://library.cuhk.edu.hk/record=b5549516.

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影響全球數百萬的患者的慢性傷口，以其持續性過度發炎，纖維細胞增殖放緩，及血管生成受損為表徵。藥用草藥地黃已證明在大鼠糖尿足模型上有顯著傷口癒合作用。然而，關於地黃的炮製及其活性成分對此等傷口癒合的活動主要是未知的。<br>我們首先在地黃的炮製中，以抗一氧化氮（NO）和纖維細胞增殖實驗，確定了乾地黃表現出有效的傷口癒合活動。採用多方位生物活性導引分離（BGF），我們進一步研究乾地黃在抗炎，纖維細胞增殖，血管生成的活性成分，分別以抗NO產生，纖維細胞增殖，和TG(fli1:EGFP)y1/+(AB)斑馬魚芽血管生成模型為生物測定。此等具傷口癒合效果的活性成分將會作進一步研究。此外，我們會以電子細胞基質阻抗判斷(ECIS)的技術，對名為NF3(含RR的中草藥配方)在人類血管內皮細胞(HECV)上作體外血管生成及其信息的研究。<br>通過抗NO測定導引分離，我們證明活性萃取物C3比其粗提物擁有100倍更有效的抗炎效果。C3中含地黃苦甙元。地黃苦甙元可顯著地抑制NO的產生。C3中地黃苦甙元的存在可能是其具抗炎的原因。C3進一步以抑制一氧化氮合酶(iNOS)，環氧合酶-2(COX-2)和細胞白介素第六因子(IL-6)的基因，蛋白質，及/或中介物的表達，證明其舒緩炎症的作用。因此，C3可能對慢性傷口癒合中的炎症有治療作用。此外，我們發現先從水提的RR粗提物，再以乙酸乙酯提取的活性萃取物C2-B4
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"An investigation of the effects of an aqueous extract of Radix Salvia miltiorrhiza-Radix Pueraria lobata mixture on atherosclerotic events and the underlying biochemical mechanisms." 2013. http://library.cuhk.edu.hk/record=b5884353.

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Cheung, Wing Shing David.<br>Thesis (Ph.D.)--Chinese University of Hong Kong, 2013.<br>Includes bibliographical references (leaves 201-217).<br>Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web.<br>Abstract also in Chinese.
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Makita, Charlene. "A study of the elemental analysis and the effect of the pressurised hot water extraction method (PHWE) on the antibacterial activity of Moringa oleifera and Moringa ovalifolia plant parts." Thesis, 2015. http://hdl.handle.net/10539/16828.

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A dissertation submitted to the Faculty of Science, University of the Witwatersrand, Johannesburg, in fulfilment of requirements for the degree of Master of Science. Johannesburg, 2014.<br>Heavy metal pollution is an increasing phenomenon and contamination of these heavy metals has detrimental effects on the environment and humans. The concentrations of metals in the soil, leaves, stem bark and flowers of Moringa ovalifolia sampled from Okahandja, Okaukuejo, Halali and Tsumeb in Namibia were investigated. Acid digestion of all samples was performed utilising the microwave technique. Determinat
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Kasim, Nazeera. "The micromorphological and essential oil status of the foliar secretory structures of Ocimum obovatum E. Mey. ex Benth. subsp. obovatum (Lamiaceae)." Thesis, 2011. http://hdl.handle.net/10413/5570.

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Ocimum obovatum E. Mey ex Benth. var. obovatum is a traditionally used medicinal plant that grows along the KwaZulu-Natal coast and the western Cape of South Africa. The plant is noted for its hair restoration properties, remedy for infantile abdominal pain and cramps and its use as an enema to treat epigastric conditions in children. The aims of this study were to document the micromorphology and ultrastructure of the foliar secretory structures responsible for the production and secretion of the essential oils and chemical composition of the secretion, which gives the plant a distinct aroma.
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Tetyana, Pokazi. "Medicinal properties and micropropagation of Cussonia species." Thesis, 2000. http://hdl.handle.net/10413/10253.

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Cussonia species (commonly known as Cabbage trees) are indigenous to South Africa and are used in traditional medicine to treat an assortment of diseases. Due to their attractive growth form, they are assets in gardens. However, there are no developed methods for propagating these species. The use of three selected species, Cussonia paniculata (Eckl. & Zeyh.), C. spicata (Thunb.) and Schefflera umbellifera (Sond.) Baill, = C. umbellifera), in traditional medicine was validated. Rapid propagation protocols for C. paniculata and C. spicata were investigated and ultimately developed for the forme
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Okem, Ambrose. "Pharmacological activities of selected South African medicinal plants." Thesis, 2011. http://hdl.handle.net/10413/8588.

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The use of traditional medicine is a popular practice in South Africa especially among rural dwellers due to several reasons such as availability of natural products, cultural beliefs, preference of natural products to synthetically derived drugs and the high cost of modern drugs. Traditional healers in South Africa play key roles in administering treatment for all sorts of ailments using plants. The aim of this study was to evaluate the efficacy of seven selected medicinal plants that are used in traditional medicine to treat stomach-related ailments for their pharmacological and phytochemica
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Hannweg, Karin Fiona. "Development of micropropagation protocols for selected indigenous plant species." Thesis, 1995. http://hdl.handle.net/10413/4884.

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The herbal medicine trade is thriving in KwaZulu Natal with an ever-increasing number of people harvesting and trading in indigenous plants, especially those species with medicinal and/or magical properties. The number of plants harvested has increased whereas the size of the plants collected has decreased, resulting in low recruitment into wild populations. As a result of these two factors, species diversity has decreased. To this end, the aim of these investigations was to establish micropropagation protocols for the selected species i.e. Bowiea volubilis, Haworthia_ limifolia and Cryptocary
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Motsei, Mpai Lesego. "Screening of traditionally used South African medicinal plants against Candida albicans." Thesis, 2003. http://hdl.handle.net/10413/8549.

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Candida species were discovered more than a century ago as a causative organism of oral thrush. In HIV patients, the presence of oral candidiasis has been shown to be the earliest opportunistic infection. Candidiasis lesions associated with HIV infections are primarily a reflection of the specific change of the host's immune response caused by the virus. Studies of AIDS all over the world show that 58-81% of all patients contract a fungal infection at some time during the primordial stage or after developing AIDS and 10-20% have died as a direct consequence of fungal infections. Twenty four So
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Street, Renée Anne. "Heavy metals in South African medicinal plants." Thesis, 2008. http://hdl.handle.net/10413/801.

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Plants are able to take up and accumulate certain environmental contaminants such as heavy metals. When the plants are ingested by man, these contaminants are transferred along the food chain. Due to the poorly regulated medicinal plant trade in South Africa, many opportunities exist for heavy metal contamination of medicinal plants namely contaminated harvest sites as well as poor drying, processing, storage, transport and manufacturing conditions. The concentrations of five heavy metals (As, Cd, Co, Ni, Pb) and six microelements (B, Cu, Fe, Mn, Mo, Zn) were determined in some commonly used S
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Mohamed, Shifaza. "Towards the total synthesis of a novel diarylheptanoid." Thesis, 2010. http://hdl.handle.net/10413/8587.

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Diarylheptanoids are a family of plant metabolites with a characteristic structure of two hydroxylated aromatic rings attached by a linear seven-carbon chain. Diarylheptanoids have mostly been isolated from plants belonging to the Zingiberaceae family. The South African medicinal plant Siphonochilus aethiopicus, more commonly known as ‘wild ginger’, also belongs to the Zingiberaceae family. One of the compounds isolated from this plant it a novel diarylheptanoid. In this study, the synthesis of this novel diarylheptanoid will be investigated. The targeted diarylheptanoid has two substituted ph
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Sparg, Shane Gordon. "Medicinal properties and growth of Merwilla natalensis." Thesis, 2003. http://hdl.handle.net/10413/8609.

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Merwilla natalensis (Planchon) Speta is ranked as one of the most commonly sold medicinal plants at most of the informal medicinal plant markets found throughout South Africa. The increasing demand for medicinal plants has resulted in over-exploitation of many of the wild populations. Overharvesting has resulted in M. natalensis being declared vulnerable. Although this species is so popular, and reports state that the bulbs are used for a variety of ailments, very little is known about its pharmacological activity or phytochemical composition. Extracts were made from mature M. natalensis bulbs
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Pillay, Candice Claudia Natasha. "Anti-inflammatory and anti-bacterial activity of South African Erythrina species." Thesis, 2000. http://hdl.handle.net/10413/10248.

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An investigation was undertaken to determine whether Erythrina species indigenous to South Africa contained the same type of compounds as Erythrina species not found in South Africa and to determine whether they displayed any anti-inflammatory and antibacterial activity. Phytochemical analysis was conducted using thin layer chromatography. A great similarity was found in the leaf profiles of the species being studied. The leaf and bark extracts of E. caffra and E. lysistemon appear to have similar profiles when viewed under normal light and ultraviolet light, (254 and 366 nm). These two specie
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White, Andrew Graeme. "The effect of geography, cultivation and harvest technique on the umckalin concentration and growth of pelargonium sidoides (Geraniaceae) /." 2006. http://eprints.ru.ac.za/872/.

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Koetle, Motselisi Jane. "In vitro propagation of Dierama erectum." Thesis, 2009. http://hdl.handle.net/10413/778.

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Mboweni, Hlayisa Fredah. "Antimicrobial, cytotoxic and prelimenary phytochemical analysis of four medicinal plants and their formulation." Diss., 2018. http://hdl.handle.net/11602/1096.

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MSc (Microbiology)<br>Department of Microbiology<br>BACKGROUND: Medicinal plants form an important part of the Southern African cultural heritage. Indigenous populations, for example the Vha-Venda people, tend to use medicinal plants in formulations rather than western medicines for health and survival. In order to certify and give scientific credibility to the use of medicinal plants formulations used by Vha-Venda people for the treatment of diseases, several assays were carried out. The present study was aimed at assessing phytochemical content, antimicrobial, antioxidant and cytotoxic
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Ncube, Bhekumthetho. "Seasonal pharmacological and phytochemical properties of medicinal bulbs." Thesis, 2010. http://hdl.handle.net/10413/8585.

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Medicinal bulbs form part of the diversified flora in South Africa. The plants are used extensively in South African traditional medicine in the treatment of various ailments. Due to the ever-increasing demand and the unrestricted collection of medicinal plants from the wild, many of these slow growing bulbous plant species are driven into over-exploitation and extinction. The main parts collected for use are the underground bulbs, leading to the destructive harvesting of the whole plant. This form of plant harvesting poses threats to the long term sustainability of these plant resources from
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50

"Approaches to the total synthesis of a novel diarylheptanoid." Thesis, 2008. http://hdl.handle.net/10413/216.

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The total synthesis of a novel diarylheptanoid isolated from a South African medicinal plant, Siphonochilus aethiopicus, was investigated. S. aethiopicus (Indungulu in Zulu) is the only South African species of the Zingiberaceae plant family and is widely used in traditional medicine. One of the compounds isolated from this plant is a novel diarylheptanoid. Diarylheptanoids constitute a distinct group of natural plant metabolites characterized by two aromatic rings linked by a linear seven-carbon aliphatic chain, with varying functional groups on the aryl and the aliphatic chain. The target mo
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