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Diabetes and Medicinal Plants: a Literature Review
ISOLATION AND IDENTIFICATION OF ANTIDIABETIC COMPOUNDS FROM BRACHYLAENA DISCOLOR DC Thesis submitted in fulfilment of the requirements for the degree Master of Science By Sabeen Abdalbagi Elameen Adam School of Chemistry and Physics University of KwaZulu-Natal Pietermaritzburg Supervisor: Professor Fanie R. van Heerden August 2017 ABSTRACT Diabetes mellitus, which is a metabolic disease resulting from insulin deficiency or diminished effectiveness of the action of insulin or their combination, is recognized as a major threat to human life. Using drugs on a long term to control glucose can increase the hazards of cardiovascular disease and some cancers. Therefore, there is an urgent need to discover new, safe, and effective antidiabetic drugs. Traditionally, there are several plants that are used to treat/control diabetes by South African traditional healers such as Brachylaena discolor. This study aimed to isolate and identify antidiabetic compounds from B. discolor. The plant materials of B. discolor was collected from University of KwaZulu-Natal botanical garden. Plant materials were dried under the fume hood for two weeks and ground to a fine powder. The powder was extracted with a mixture of dichloromethane and methanol (1:1). To investigate the antidiabetic activity, the prepared extract was tested in vitro for glucose utilization in a muscle cell line. The results revealed that blood glucose levels greater than 20 mmol/L, which measured after 24 and 48 hours of the experimental period, three fractions had positive (*p<0.05) antidiabetic activity compared to the control. The DCM:MeOH (1:1) extract of B. discolor leaves was subjected to column chromatography, yielding five fractions (A, B, C, D, and E). -
Descriptive Anatomy and Evolutionary Patterns of Anatomical Diversification in Adenia (Passifloraceae) David J
Aliso: A Journal of Systematic and Evolutionary Botany Volume 27 | Issue 1 Article 3 2009 Descriptive Anatomy and Evolutionary Patterns of Anatomical Diversification in Adenia (Passifloraceae) David J. Hearn University of Arizona, Tucson Follow this and additional works at: http://scholarship.claremont.edu/aliso Part of the Botany Commons, and the Ecology and Evolutionary Biology Commons Recommended Citation Hearn, David J. (2009) "Descriptive Anatomy and Evolutionary Patterns of Anatomical Diversification in Adenia (Passifloraceae)," Aliso: A Journal of Systematic and Evolutionary Botany: Vol. 27: Iss. 1, Article 3. Available at: http://scholarship.claremont.edu/aliso/vol27/iss1/3 Aliso, 27, pp. 13–38 ’ 2009, Rancho Santa Ana Botanic Garden DESCRIPTIVE ANATOMY AND EVOLUTIONARY PATTERNS OF ANATOMICAL DIVERSIFICATION IN ADENIA (PASSIFLORACEAE) DAVID J. HEARN Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, Arizona 85721, USA ([email protected]) ABSTRACT To understand evolutionary patterns and processes that account for anatomical diversity in relation to ecology and life form diversity, anatomy of storage roots and stems of the genus Adenia (Passifloraceae) were analyzed using an explicit phylogenetic context. Over 65,000 measurements are reported for 47 quantitative and qualitative traits from 58 species in the genus. Vestiges of lianous ancestry were apparent throughout the group, as treelets and lianous taxa alike share relatively short, often wide, vessel elements with simple, transverse perforation plates, and alternate lateral wall pitting; fibriform vessel elements, tracheids associated with vessels, and libriform fibers as additional tracheary elements; and well-developed axial parenchyma. Multiple cambial variants were observed, including anomalous parenchyma proliferation, anomalous vascular strands, successive cambia, and a novel type of intraxylary phloem. -
Brachylaena Elliptica and B. Ilicifolia (Asteraceae): a Comparative Analysis of Their Ethnomedicinal Uses, Phytochemistry and Biological Activities
Journal of Pharmacy and Nutrition Sciences, 2020, 10, 223-229 223 Brachylaena elliptica and B. ilicifolia (Asteraceae): A Comparative Analysis of their Ethnomedicinal Uses, Phytochemistry and Biological Activities Alfred Maroyi* Department of Botany, University of Fort Hare, Private Bag X1314, Alice 5700, South Africa Abstract: Brachylaena elliptica and B. ilicifolia are shrubs or small trees widely used as traditional medicines in southern Africa. There is need to evaluate the existence of any correlation between the medicinal uses, phytochemistry and pharmacological properties of the two species. Therefore, in this review, analyses of the ethnomedicinal uses, phytochemistry and biological activities of B. elliptica and B. ilicifolia are presented. Results of the current study are based on data derived from several online databases such as Scopus, Google Scholar, PubMed and Science Direct, and pre-electronic sources such as scientific publications, books, dissertations, book chapters and journal articles. The articles published between 1941 and 2020 were used in this study. The leaves and roots of B. elliptica and B. ilicifolia are mainly used as a mouthwash and ethnoveterinary medicines, and traditional medicines for backache, hysteria, ulcers of the mouth, diabetes, gastro-intestinal and respiratory problems. This study showed that sesquiterpene lactones, alkaloids, essential oils, flavonoids, flavonols, phenols, proanthocyanidins, saponins and tannins have been identified from aerial parts and leaves of B. elliptica and B. ilicifolia. The leaf extracts and compounds isolated from the species exhibited antibacterial, antidiabetic, antioxidant and cytotoxicity activities. There is a need for extensive phytochemical, pharmacological and toxicological studies of crude extracts and compounds isolated from B. elliptica and B. ilicifolia. -
Major Vegetation Types of the Soutpansberg Conservancy and the Blouberg Nature Reserve, South Africa
Original Research MAJOR VEGETATION TYPES OF THE SOUTPANSBERG CONSERVANCY AND THE BLOUBERG NATURE RESERVE, SOUTH AFRICA THEO H.C. MOSTERT GEORGE J. BREDENKAMP HANNES L. KLOPPER CORNIE VERWEy 1African Vegetation and Plant Diversity Research Centre Department of Botany University of Pretoria South Africa RACHEL E. MOSTERT Directorate Nature Conservation Gauteng Department of Agriculture Conservation and Environment South Africa NORBERT HAHN1 Correspondence to: Theo Mostert e-mail: [email protected] Postal Address: African Vegetation and Plant Diversity Research Centre, Department of Botany, University of Pretoria, Pretoria, 0002 ABSTRACT The Major Megetation Types (MVT) and plant communities of the Soutpansberg Centre of Endemism are described in detail, with special reference to the Soutpansberg Conservancy and the Blouberg Nature Reserve. Phytosociological data from 442 sample plots were ordinated using a DEtrended CORrespondence ANAlysis (DECORANA) and classified using TWo-Way INdicator SPecies ANalysis (TWINSPAN). The resulting classification was further refined with table-sorting procedures based on the Braun–Blanquet floristic–sociological approach of vegetation classification using MEGATAB. Eight MVT’s were identified and described asEragrostis lehmanniana var. lehmanniana–Sclerocarya birrea subsp. caffra Blouberg Northern Plains Bushveld, Euclea divinorum–Acacia tortilis Blouberg Southern Plains Bushveld, Englerophytum magalismontanum–Combretum molle Blouberg Mountain Bushveld, Adansonia digitata–Acacia nigrescens Soutpansberg -
Variation in Antibacterial Activity of Schotia Species
South African Journal of Botany 2002, 68: 41–46 Copyright © NISC Pty Ltd Printed in South Africa — All rights reserved SOUTH AFRICAN JOURNAL OF BOTANY ISSN 0254–6299 Variation in antibacterial activity of Schotia species LJ McGaw, AK Jäger and J van Staden* Research Centre for Plant Growth and Development, School of Botany and Zoology, University of Natal Pietermaritzburg, Private Bag X01, Scottsville 3209, South Africa * Corresponding author, e-mail: [email protected] Received 29 March 2001, accepted in revised form 7 June 2001 The roots and bark of Schotia brachypetala are used in ture, or as an extract residue at -15°C, had little effect on South African traditional medicine as a remedy for the antibacterial activity. In general, the ethanolic dysentery and diarrhoea. The paucity of pharmacologi- extracts were more active than the aqueous extracts. cal and chemical data on this plant prompted an inves- The chemical profiles on TLC chromatograms were tigation into its antibacterial activity. The differences in compared and found to be very similar in the case of activity of ethanol and water extracts with respect to ethanol extracts prepared in different months of the plant part, season and geographical position were year, and from different trees. The extracts of the three analysed. No extreme fluctuations in activity were species and of the leaves stored under various condi- noted. Two other Schotia species, S. afra and S. capita- tions also showed similar TLC fingerprints, however, ta, were included in the study, and both displayed good various plant parts of S. brachypetala showed distinctly in vitro antibacterial activity. -
Impact of Ethnobotanical Utilization on the Population Structure of Androstachys Johnsonii Prain
Bakali et al. Insights For Res 2017, 1(1):50-56 DOI: 10.36959/948/461 | Volume 1 | Issue 1 Insights of Forest Research Research Article Open Access Impact of Ethnobotanical Utilization on the Population Structure of Androstachys Johnsonii Prain. in the Vhembe Area of the Limpopo Province, South Africa Bakali M1, Ligavha-Mbelengwa MH1, Potgieter MJ2 and Tshisikhawe MP1* 1Department of Botany, University of Venda, South Africa 2Department of Biodiversity, University of Limpopo, Sovenga, South Africa Abstract Due to high levels of impoverishment, rural communities in southern African are highly dependent on their surroundings to sustain their livelihood. However, the rampant harvesting of Androstachys johnsonii Prain. In Vhembe area is a cause for concern although its conservation status is of Least Concern. Androstachys johnsonii is a tree species used for a variety of purposes in the Vhembe Area of South Africa to maintain households. Thus in order to obtain baseline data to propose ways of preserving the species, an investigation was launched to determine the extent of usage of A. johnsonii at Matshena village and document its population structure via stem size classes, crown health and plant height classes. Results indicate that this tree species is being used for a variety of purposes by inhabitants, with 65% of trees surveyed showing signs of harvesting. Due to its extremely durable hardwood this species is mostly used for fencing, roofing, pillar construction, and as firewood. Additional ethnobotanical uses include fodder for goats and cattle and medicinal purposes. Of the 353 A. john- sonii trees measured, the majority (27%) are in the 0-10 cm stem size class, and nearly 88% are lower than 5 m in height. -
The Taxonomy, Chorology and Reproductive Biology of Southern Afri Can Meliaceae and Ptaeroxylaceae
Bothalia 16.2: 143-168 (1986) The taxonomy, chorology and reproductive biology of southern Afri can Meliaceae and Ptaeroxylaceae F. WHITE* Keywords: chorology. Meliaceae. Ptaeroxylaceae. reproductive biology, southern Africa, taxonomy ABSTRACT Information is provided on the taxonomy, chorology and reproductive biology of 14 indigenous and two intro duced species of Meliaceae in southern Africa, and on Ptaeroxylon (Ptaeroxylaceae). Two new taxa are described: Nymanieae F. White, tribus nov. and Turraea strevi F. White & B. T. Styles, sp. nov. Nurmonia (Harms) F. White, comb, et stat. nov.. a new section of Turraea L. is created. The account complements the treatments of these families in the Flora o f southern Africa. UITTREKSEL Inligting word verskaf oor die taksonomie. chorologie en voortplantingsbiologie van 14 inheemse en twee inge- voerde spesies van Meliaceae in suidelike Afrika en oor Ptaeroxylon (Ptaeroxylaceae). Twee nuwe taksons word beskryf: Nymanieae F. White, tribus nov. en Turraea strevi F. White & B. T. Styles, sp. nov. Nurmonia (Harms) F. White, comb, et stat. nov., 'n nuwe seksie van Turraea L. word geskep. Hierdie verslag is aanvullend tot die behandelings van hierdie families in die Flora o f southern Africa. CONTENTS The position of Ptaeroxylon and Nyma nia............................................................ 163 Introduction.................................................................143 South African Trichilia: chemistry and Generic and family delimitation..................... .......144 the taxonomist's e y e .......................... 163 The position of Ptaeroxylon.................................144 Conclusions................................................... 163 The position of N ym ania.....................................144 Taxonomy as a visual a rt.............................. 163 The circumscription of Turraea..........................145 The Meliaceae and the chorology of south Notes on individual genera and species ern Africa.................................................. 164 1. -
Pollen Ultrastructure of the Biovulate Euphorbiaceae Author(S): Michael G
Pollen Ultrastructure of the Biovulate Euphorbiaceae Author(s): Michael G. Simpson and Geoffrey A. Levin Reviewed work(s): Source: International Journal of Plant Sciences, Vol. 155, No. 3 (May, 1994), pp. 313-341 Published by: The University of Chicago Press Stable URL: http://www.jstor.org/stable/2475184 . Accessed: 26/07/2012 14:35 Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at . http://www.jstor.org/page/info/about/policies/terms.jsp . JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact [email protected]. The University of Chicago Press is collaborating with JSTOR to digitize, preserve and extend access to International Journal of Plant Sciences. http://www.jstor.org Int.J. Plant Sci. 155(3):313-341.1994. ? 1994by The Universityof Chicago. All rightsreserved. 1058-5893/94/5503-0008$02.00 POLLENULTRASTRUCTURE OF THE BIOVULATE EUPHORBIACEAE MICHAEL G. SIMPSON AND GEOFFREY A. LEVIN' Departmentof Biology,San Diego StateUniversity, San Diego,California 92182-0057; and BotanyDepartment, San Diego NaturalHistory Museum, P.O. Box 1390,San Diego,California 92112 Pollenultrastructure of the biovulate Euphorbiaceae, including the subfamilies Phyllanthoideae and Oldfieldioideae,was investigatedwith light, scanning electron, and transmissionelectron microscopy. Pollenof Phyllanthoideae, represented by 12 speciesin ninegenera, was prolateto oblate,almost always 3-colporate,rarely 3-porate or pantoporate,and mostlywith reticulate, rarely baculate, echinate, or scabrate,sculpturing. -
Red Data List Special Edition
Newsletter of the Southern African Botanical Diversity Network Volume 6 No. 3 ISSN 1027-4286 November 2001 Invasive Alien Plants Part 2 Southern Mozambique Expedition Living Plant Collections: Lowveld, Mozambique, Namibia REDSABONET NewsDATA Vol. 6 No. 3 November LIST 2001 SPECIAL EDITION153 c o n t e n t s Red Data List Features Special 157 Profile: Ezekeil Kwembeya ON OUR COVER: 158 Profile: Anthony Mapaura Ferraria schaeferi, a vulnerable 162 Red Data Lists in Southern Namibian near-endemic. 159 Tribute to Paseka Mafa (Photo: G. Owen-Smith) Africa: Past, Present, and Future 190 Proceedings of the GTI Cover Stories 169 Plant Red Data Books and Africa Regional Workshop the National Botanical 195 Herbarium Managers’ 162 Red Data List Special Institute Course 192 Invasive Alien Plants in 170 Mozambique RDL 199 11th SSC Workshop Southern Africa 209 Further Notes on South 196 Announcing the Southern 173 Gauteng Red Data Plant Africa’s Brachystegia Mozambique Expedition Policy spiciformis 202 Living Plant Collections: 175 Swaziland Flora Protection 212 African Botanic Gardens Mozambique Bill Congress for 2002 204 Living Plant Collections: 176 Lesotho’s State of 214 Index Herbariorum Update Namibia Environment Report 206 Living Plant Collections: 178 Marine Fishes: Are IUCN Lowveld, South Africa Red List Criteria Adequate? Book Reviews 179 Evaluating Data Deficient Taxa Against IUCN 223 Flowering Plants of the Criterion B Kalahari Dunes 180 Charcoal Production in 224 Water Plants of Namibia Malawi 225 Trees and Shrubs of the 183 Threatened -
Carissa Tetramera (Sacleux) Stapf
Carissa tetramera (Sacleux) Stapf Identifiants : 6712/cartet Association du Potager de mes/nos Rêves (https://lepotager-demesreves.fr) Fiche réalisée par Patrick Le Ménahèze Dernière modification le 02/10/2021 Classification phylogénétique : Clade : Angiospermes ; Clade : Dicotylédones vraies ; Clade : Astéridées ; Clade : Lamiidées ; Ordre : Gentianales ; Famille : Apocynaceae ; Classification/taxinomie traditionnelle : Règne : Plantae ; Sous-règne : Tracheobionta ; Division : Magnoliophyta ; Classe : Magnoliopsida ; Ordre : Gentianales ; Famille : Apocynaceae ; Genre : Carissa ; Synonymes : Arduina tetramera Sacleux ; Nom(s) anglais, local(aux) et/ou international(aux) : Sand num-num, , Muleo, Mtandamboo, Nvuje-ya-tsi ; Rapport de consommation et comestibilité/consommabilité inférée (partie(s) utilisable(s) et usage(s) alimentaire(s) correspondant(s)) : Parties comestibles : fruit{{{0(+x) (traduction automatique) | Original : Fruit{{{0(+x) néant, inconnus ou indéterminés. Illustration(s) (photographie(s) et/ou dessin(s)): Autres infos : dont infos de "FOOD PLANTS INTERNATIONAL" : Distribution : C'est une plante tropicale. Il pousse dans les forêts sèches et ouvertes. Il pousse dans les zones côtières{{{0(+x) (traduction automatique). Original : It is a tropical plant. It grows in dry open woodland. It grows in coastal areas{{{0(+x). Page 1/2 Localisation : Afrique, Afrique de l'Est, Eswatini, Kenya, Mozambique, Afrique du Sud, Afrique australe, Swaziland, Tanzanie, Zimbabwe{{{0(+x) (traduction automatique). Original : Africa, East Africa, Eswatini, Kenya, Mozambique, South Africa, Southern Africa, Swaziland, Tanzania, Zimbabwe{{{0(+x). Notes : Il y a environ 20 à 37 espèces de Carissa. Toutes les espèces de Carissa portent des fruits comestibles. Ils poussent dans les tropiques et les régions subtropicales{{{0(+x) (traduction automatique). Original : There about 20-37 Carissa species. All Carissa species bear edible fruit. -
Phylogenetic Study of African Combretaceae R. Br. Based on /.../ A
BALTIC FORESTRY PHYLOGENETIC STUDY OF AFRICAN COMBRETACEAE R. BR. BASED ON /.../ A. O. ONEFELY AND A. STANYS ARTICLES Phylogenetic Study of African Combretaceae R. Br. Based on rbcL Sequence ALFRED OSSAI ONEFELI*,1,2 AND VIDMANTAS STANYS2,3 1Department of Forest Production and Products, Faculty of Renewable Natural Resources, University of Ibadan, 200284 Ibadan, Nigeria. 2Erasmus+ Scholar, Institute of Agricultural and Food Science Vytautas Magnus University, Agricultural Aca- demy, Akademija, LT-53361 Kaunas district, Lithuania. 3Department of Orchard Plant Genetics and Biotechnology, Lithuanian Research Centre for Agriculture and Forestry, Babtai, LT-54333 Kaunas district, Lithuania. *Corresponding author: [email protected], [email protected] Phone number: +37062129627 Onefeli, A. O. and Stanys, A. 2019. Phylogenetic Study of African Combretaceae R. Br. Based on rbcL Se- quence. Baltic Forestry 25(2): 170177. Abstract Combretaceae R. Br. is an angiosperm family of high economic value. However, there is dearth of information on the phylogenetic relationship of the members of this family using ribulose biphosphate carboxylase (rbcL) gene. Previous studies with electrophoretic-based and morphological markers revealed that this family is phylogenetically complex. In the present study, 79 sequences of rbcL were used to study the phylogenetic relationship among the members of Combretaceae of African origin with a view to provide more information required for the utilization and management of this family. Multiple Sequence alignment was executed using the MUSCLE component of Molecular Evolutionary Genetics Version X Analysis (MEGA X). Transition/Transversion ratio, Consistency index, Retention Index and Composite Index were also determined. Phylogenetic trees were constructed using Maximum parsimony (MP) and Neighbor joining methods. -
Mt Mabu, Mozambique: Biodiversity and Conservation
Darwin Initiative Award 15/036: Monitoring and Managing Biodiversity Loss in South-East Africa's Montane Ecosystems MT MABU, MOZAMBIQUE: BIODIVERSITY AND CONSERVATION November 2012 Jonathan Timberlake, Julian Bayliss, Françoise Dowsett-Lemaire, Colin Congdon, Bill Branch, Steve Collins, Michael Curran, Robert J. Dowsett, Lincoln Fishpool, Jorge Francisco, Tim Harris, Mirjam Kopp & Camila de Sousa ABRI african butterfly research in Forestry Research Institute of Malawi Biodiversity of Mt Mabu, Mozambique, page 2 Front cover: Main camp in lower forest area on Mt Mabu (JB). Frontispiece: View over Mabu forest to north (TT, top); Hermenegildo Matimele plant collecting (TT, middle L); view of Mt Mabu from abandoned tea estate (JT, middle R); butterflies (Lachnoptera ayresii) mating (JB, bottom L); Atheris mabuensis (JB, bottom R). Photo credits: JB – Julian Bayliss CS ‒ Camila de Sousa JT – Jonathan Timberlake TT – Tom Timberlake TH – Tim Harris Suggested citation: Timberlake, J.R., Bayliss, J., Dowsett-Lemaire, F., Congdon, C., Branch, W.R., Collins, S., Curran, M., Dowsett, R.J., Fishpool, L., Francisco, J., Harris, T., Kopp, M. & de Sousa, C. (2012). Mt Mabu, Mozambique: Biodiversity and Conservation. Report produced under the Darwin Initiative Award 15/036. Royal Botanic Gardens, Kew, London. 94 pp. Biodiversity of Mt Mabu, Mozambique, page 3 LIST OF CONTENTS List of Contents .......................................................................................................................... 3 List of Tables .............................................................................................................................