• Publications
  • Influence
Microbial decolourisation of a reactive azo dye under anaerobic conditions
Water-soluble azo dyes are used extensively in the textile industry and are known to be problematic with respect to from textile waste waters. Under anaerobic conditions azo dyes can be utilised asExpand
  • 410
  • 13
The chemistry and biological activity of the Hyacinthaceae.
The Hyacinthaceae (sensu APGII), with approximately 900 species in about 70 genera, can be divided into three main subfamilies, the Hyacinthoideae, the Urgineoideae and the Ornithogaloideae, with aExpand
  • 66
  • 7
Antibacterial activity and isolation of active compounds from fruit of the traditional African medicinal tree Kigelia africana
The fruits of Kigelia africana (Lam.) Benth. are a popular source of traditional medicine throughout Africa. The stembark has been widely analysed for pharmacological activity, yet knowledge of theExpand
  • 81
  • 7
Plants traditionally prescribed to treat tazo (malaria) in the eastern region of Madagascar
BackgroundMalaria is known as tazo or tazomoka in local terminology in Madagascar. Within the context of traditional practice, malaria (and/or malaria symptoms) is commonly treated by decoctions orExpand
  • 89
  • 6
  • PDF
An azole, an amide and a limonoid from Vepris uguenensis (Rutaceae).
The limonoid derivative, methyl uguenenoate, the azole, uguenenazole, and the amide, uguenenonamide, together with the known furoquinoline alkaloids flindersiamine and maculosidine, andExpand
  • 38
  • 6
  • PDF
Emodin, an antibacterial anthraquinone from the roots of Cassia occidentalis
The antibacterial activity of the ethanolic root extract of Cassia occidentalis was examined. A biologically active component was isolated and identified as emodin by spectroscopic analysis. TheExpand
  • 88
  • 5
Antiplasmodial diterpenoid from the leaves of Hyptis suaveolens.
Bioactivity-guided fractionation of the petroleum ether extract of the leaves of Hyptis suaveolens, widely used in Traditional Medicine, has led to the isolation of an abietane-type diterpenoidExpand
  • 65
  • 5
Cyclooxygenase inhibiting and anti-bacterial activities of South African Erythrina species.
Aqueous, ethanolic and ethyl acetate extracts of the bark and leaves of five South African Erythrina species Erythrina caffra, Erythrina humeana, Erythrina latissima, Erythrina lysistemon andExpand
  • 62
  • 4
Evaluation of the mutagenic and antimutagenic effects of South African plants.
Dichloromethane and 90% methanol extracts of 42 South African plants were screened for mutagenicity and antimutagenicity using the Salmonella/microsome mutagenicity assay (Ames) against SalmonellaExpand
  • 126
  • 3