Relevant bibliographies by topics / Plants, Medicinal – chemistry

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  1. Dissertations / Theses

Academic literature on the topic 'Plants, Medicinal – chemistry'

Author: Grafiati
Published: 4 June 2021
Last updated: 17 February 2022

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Dissertations / Theses on the topic "Plants, Medicinal – chemistry"

1

Chen, Dianne Tzu-Hsiu. "Phytochemical studies on traditional medicinal plants with antimalarial activities." Master's thesis, University of Cape Town, 1997. http://hdl.handle.net/11427/21853.

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The active antimalarial principles of three traditional medicinal plants, Passerina obtusifolia (Thymelaeaceae), Tetradenia riparia (Labiatea) and Xerophyta retinervis (V elloziaceae) were investigated by employing bioassay guided fractionation. Two novel compounds and five known constituents were isolated from the active fractions of these three plants. The types of compounds isolated included: three triterpenoids (20(29)-Lupene-3α,28- diol (30), 20(29)-Lupene-3α, 16β,28-triol (32) and 3β-Hydroxy-20(29)-Lupen-28-oic acid (42)); two diterpenoids (8-Abietene-7 β,13 β -diol (45) and cariocal (51
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2

Habtemariam, Solomon. "Phytochemical and pharmacological investigation of some medicinal plants." Thesis, University of Strathclyde, 1992. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=21299.

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This thesis describes phytochemical and biological/pharmacological studies on six medicinal plants. Plant materials were extracted by ethanol, tested for their biological activity and then subjected to "bioassay-guided fractionation" to yield active and inactive compounds. The compounds were identified by standard physico-chemical techniques including UV, IR, NMR and ElMS. The crude ethanol extract of the leaves of Premna shcimperi was found to be antibacterial against gram positive bacteria (Staphylococcus aureus and Bacillus subtilis). An antibacterial bioassay-guided fractionation of the ex
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3

Waheed, Abdul. "Isolation and characterisation of potential anticancer compounds from medicinal plants." Thesis, Kingston University, 2011. http://eprints.kingston.ac.uk/22906/.

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The research work presented in this thesis deals with the anticancer activity of four medicinal plants: 'Caralluma tuberculata' (Asclepiadaceae), 'Fagonia indica' (Zygophyllaceae), 'Solanum surattense' (Solanaceae) and 'Arisaema utile' (Araceae) that originate from the North West and Himalayan regions of Pakistan. Through a bioactivity-guided fractionation approach, the crude and resultant organic fractions were tested on cultured breast cancer cells (MCF-7 and MDA MB-468) and colorectal carcinoma cells (Caco-2) in vitro. Five new compounds out of seven in total were isolated from potent fract
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4

Techatanawat, Isariya. "Chemistry and cytotoxic activity of some Thai medicinal plants used to treat cancer." Thesis, King's College London (University of London), 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.427990.

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5

Souza, Leonardo Perez de [UNESP]. "Padronização de extratos vegetais: Astronium urundeuva (Anacardiaceae)." Universidade Estadual Paulista (UNESP), 2012. http://hdl.handle.net/11449/97976.

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Made available in DSpace on 2014-06-11T19:29:11Z (GMT). No. of bitstreams: 0 Previous issue date: 2012-03-14Bitstream added on 2014-06-13T18:58:42Z : No. of bitstreams: 1 souza_lp_me_araiq.pdf: 965130 bytes, checksum: dbb3a6d9ec846ccdcb7e27caa43c9b5b (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>O uso de fitoterápicos padronizados com eficácia e segurança garantidas tem mostrado resultados surpreendes em diversos países. Contudo, o Brasil ainda possui deficiências na correta caracterização dos
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6

Mokgadi, Janes. "Pressurized hot water extraction of nutraceuticals and organic pollutants from medicinal plants." Thesis, Rhodes University, 2011. http://hdl.handle.net/10962/d1004999.

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This thesis explores the robustness and the versatility of pressurized hot water extraction (PHWE) for a variety of analytes and matrices. Applications discussed include: selective extraction of alkaloids in goldenseal followed by their degradation studies; in-cell clean-up of pesticides in medicinal plants employing custom made molecularly imprinted polymers (MIPs) sorbents; in-cell pre-concentration followed by desorption of aflatoxins in plants with MIPs; desorption of pesticides from electrospun nanofiber sorbents; and removal of templates from MIPs sorbents. It was demonstrated that selec
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7

Tsui, Wing-yan Pamela. "Phytochemical investigation of plants used in traditional medicine in Hong Kong /." Hong Kong : University of Hong Kong, 1996. http://sunzi.lib.hku.hk/hkuto/record.jsp?B17594303.

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8

Souza, Leonardo Perez de. "Padronização de extratos vegetais : Astronium urundeuva (Anacardiaceae) /." Araraquara : [s.n.], 2012. http://hdl.handle.net/11449/97976.

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Resumo: O uso de fitoterápicos padronizados com eficácia e segurança garantidas tem mostrado resultados surpreendes em diversos países. Contudo, o Brasil ainda possui deficiências na correta caracterização dos produtos brutos e falta de um controle de qualidade mais rigoroso para esses materiais. As etapas necessárias para utilização de uma planta como fitoterápico são, primeiramente, a comprovação da sua eficácia e segurança através de ensaios farmacológicos seguidas da correta caracterização química do extrato e quantificação de alguns marcadores escolhidos para representarem a sua identidad
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9

Swartz, Vuyiswa Gladys. "Phytochemical studies of Helichrysum patulum." Thesis, University of the Western Cape, 2006. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_3651_1189147447.

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<p>Since Helichrysum is known by the indigenous people of Africa for therapeutic properties, such as against colds, flu and wounds, the aim of this study was to focus on the patulum species found predominantly in the Western Cape region of South Africa and by means of isolation and identification of the plant constituents, be able to relate the therapeutic activity on the basis of literature precedents, to the compounds extracted.</p>
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10

Liang, Li. "Pharmacognostical studies on Heshouwu (Polygoni Multiflori Radix): textual research, quality evaluation and processing chemistry investigation." HKBU Institutional Repository, 2018. https://repository.hkbu.edu.hk/etd_oa/524.

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Heshouwu, derived from the tuberous root of Polygonum multiflorum Thunb., has been widely used in Traditional Chinese Medicine for centuries. It has a purgative effect when unprocessed, while used as a tonic after processing, and according to historical records, heshouwu should be steamed and sun-dried nine times to generate processed materials. Up until recently, three aspects of heshouwu have not been sufficiently studied. First, it is necessary to understand the history of heshouwu, including the emergence in the literature, the descriptions of its appearance, its effects and controversies,
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