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Screening of medicinal plants used in South African traditional medicine for genotoxic effects.
- E. E. Elgorashi, J. L. S. Taylor, A. Maes, J. van Staden, N. de Kimpe, L. Verschaeve
- Medicine, Biology
- Toxicology letters
- 20 July 2003
Dichloromethane and 90% methanol extracts from 51 South African medicinal plants were evaluated for potential genotoxic effects using the bacterial Ames and VITOTOX tests with and without metabolic… Expand
The involvement of cytokinins in plant responses to environmental stress
Cytokinin (CK) levels tend to decrease under adverse environmental conditions. A general view has emerged that during stress, a reduction of CK supply from the root alters gene expression in the… Expand
Potential antiradical and alpha-glucosidase inhibitors from Ecklonia maxima (Osbeck) Papenfuss.
- K. R. Rengasamy, M. Aderogba, S. Amoo, W. Stirk, J. van Staden
- Chemistry, Medicine
- Food chemistry
- 15 November 2013
Alpha-glucosidase inhibitors play a potential role in the treatment of type 2 diabetes by delaying glucose absorption in the small intestine. Ecklonia maxima, a brown alga which grows abundantly on… Expand
Screening microalgae for some potentially useful agricultural and pharmaceutical secondary metabolites
Nearly two hundred microalgal strains (174 Chlorophyta and 23 Cyanobacteria) were screened against some bacteria, filamentous fungi and yeasts using a disc-diffusion type bioassay. From this initial… Expand
Towards the scientific validation of traditional medicinal plants
A large proportion of the population of developing countries usestraditional medicine alone, or in combination with Western drugs to treat awide variety of ailments. There has seldom been effective… Expand
Smoke as a germination cue: a review
Slow combustion or burning of dry or green plant material from many sources produces volatile compounds that are water soluble and that stimulate the germination of many seeds with different dormancy… Expand
Natural Antioxidants: Fascinating or Mythical Biomolecules?
Research on the use, properties, characteristics and sources of antioxidants especially phenolic compounds, flavonoids, vitamins, synthetic chemicals and some micronutrients began in the late 18th… Expand
Investigation of the antimutagenic effects of selected South African medicinal plant extracts.
- L. Verschaeve, V. Kestens, +5 authors J. van Staden
- Biology, Medicine
- Toxicology in vitro : an international journal…
- 1 February 2004
Dichloromethane extracts from different parts of Rhamnus prinoides, Ornithogalum longibracteatum, Gardenia volkensii, Spirostachys africana, Diospyros whyteana, Syzigium cordatum and Prunus africana… Expand
A regulatory role for proline metabolism in stimulating Arabidopsis thaliana seed germination
Analysis of the rate-limiting dehydrogenases of the oxidative pentosephosphate pathway (OPPP), as well as changes in the contributions of14C1- and 14C6-labelled glucose torespired CO2 during… Expand
Micropropagation of the endangered Aloe polyphylla
A rapid propagation protocol was establish for thehighly endangered Aloe polyphylla (Schönland ex Pillans). Seed was germinated in vitro on Murashige & Skoog 1962 medium  with or without sucrose.… Expand