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Browsing Plant Science by Title
Now showing items 41-60 of 537
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(University of Pretoria, 2004-04-01)There are 500 Helichrysum (Asteraceae) species world wide of which 245 occur in South Africa.The South African species display great morphological diversity and are, therefore classified into 30 groups (Hilliard, 1983). ...
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(University of Pretoria, 2006-09-06)The rhodophytes or red seaweeds are an ancient group of organisms that are related to plants. Like terrestrial plants, they use secondary compounds to protect themselves from microbial infection and grazing by herbivores. ...
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(Elsevier, 2008-10)Ethanol extracts of eight plant species used traditionally in South Africa for the treatment of oral diseases were investigated for in vitro antimicrobial activity against oral pathogens namely Actinobacillus actinomycet ...
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(University of Pretoria, 2006-06-02)Many South Africans continue to use traditional medicine in their daily lives as an alternative form of health care, also as part of their cultural heritage. Medicinal plants are proving to be an important source of novel ...
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(Elsevier, 2008-03)Please refer to abstract in article
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Antimicrobial and anti-inflammatory activities of Pleurostylia capensis Turcz (Loes) (Celastraceae) (African Networks on Ethnomedicines, 2014)BACKGROUND : Pleurostylia capensis is a large tree that can reach the maximum height of 20 m long, and it have been traditionally used as cosmetic, for steam bath, ritual body wash, and as a purgative to treat symptoms of ...
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(University of Pretoria, 2014-04)Twenty southern African plants were selected based on traditional use. The ethanol extracts were tested for their antimicrobial activity against P. acnes (ATCC 11827) [Propionibacterium acnes (Gilchrist) Douglas and Gunter ...
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(University of Pretoria, 2012)The phytochemical investigation of an ethanol extract of Artemisia afra, led to the isolation of six known compounds, Acacetin (1) 12α,4α-dihydroxybishopsolicepolide (2), Scopoletin (3) α-amyrin (4), Phytol (5) and a ...
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(2012)The phytochemical investigation of an ethanol extract of Artemisia afra led to the isolation of six known compounds, acacetin (1), 12α,4α-dihydroxybishopsolicepolide (2), scopoletin (3), α-amyrin (4), phytol (5), and a ...
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(Mary Ann Liebert, 2016-09)Foodborne disease outbreaks involving fresh produce have increased in recent years. The risk of infection from contaminated food is worsened by the increased prevalence of antibiotic-resistant strains. This study evaluated ...
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(Elsevier, 2010-01)The methanol extract from the stem bark of Terminalia superba (TSB), fractions (TSB1 - 7) and two compounds isolated following bio-assay guided fractionation namely 3,4'- di-O-methylellagic acid 3'-O-β-D-xylopyranoside ...
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(University of Pretoria, 2014-04)Tuberculosis is one of the world’s deadliest diseases. It is caused by the bacterium Mycobacterium tuberculosis. Two groups of samples: Quinones and Garlic polysulfide mixtures were assessed for their antituberculosis ...
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(Academic Journals, 2010-12)Bioassay-guided fractionation of an ethanolic extract from aerial parts of Athrixia phylicoides using silica and sephadex column chromatography led to the isolation of three flavonoids. The compounds were identified as: ...
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(University of Pretoria, 2010-09-04)The ethanol extract of A. phylicoides was investigated for its antioxidant activity using the DPPH scavenging method. The extract showed good antioxidant results with a EC50 value of 10.64 ± 0.0842 µ/ml. The extract was ...
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(Routledge, 2011-01)CONTEXT: Allanblackia floribunda Oliver (Guttiferae) is an African medicinal plant used traditionally to treat a variety of ailments. OBJECTIVE: We investigated the antitumor, radical scavenging, antimycobacterial, ...
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(University of Pretoria, 2022)Ethnopharmacological relevance: Pappea capensis (Sapindaceae), traditionally used by VhaVenda people in South Africa to treat malaria, was evaluated for antiplasmodial activity and cytotoxicity. Materials and methods: ...
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(University of Pretoria, 2008-08-15)Malaria remains the most serious and deadly parasitic disease, affecting millions of people mostly in the poorest countries in the world. With no vaccine likely in the foreseeable future, drugs remain the best means of ...
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(University of Pretoria, 2009-10-29)The recent increase in the incidence of tuberculosis (TB) with the emergence of multidrug-resistant (MDR) cases has lead to the search for new TB-drugs. Mycobacterium tuberculosis is a complex, resilient organism, and it ...
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(University of Pretoria, 2013)South Africa has one of the richest and diverse floras in the world with over 30000 species of higher plants. There are approximately 3000 species of medicinal plants in South Africa. The discovery of active compounds in ...
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(Elsevier, 2006)Extracts from apple fruit (cultivar “Granny Smith”) inhibited the cell-wall degrading polygalacturonase (PG) activity of Colletotrichum lupini, the causal agent of anthracnose on lupins, as well as Aspergillus niger PG. ...
Now showing items 41-60 of 537