Auteur Sandy F. Van Vuuren
Documents disponibles écrits par cet auteur (9)
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Guy P. P. Kamatou, Auteur ; Robyn L. Vanzyl, Auteur ; Sandy F. Van Vuuren, Auteur |The essential oil of Salvia muirii L. Bol., a species indigenous to southern Africa was obtained by hydrodistillation (0.5%, v/f.w.) from the aerial parts and analyzed by GC and GC/MS. Thirty-nine components representing 98% of the oil were iden[...]
Article : texte imprimé
Guy P. P. Kamatou, Auteur ; Robyn L. Van Zyl, Auteur ; Sandy F. Van Vuuren, Auteur |The essential oils from fresh aerial parts of four Salvia species indigenous to southern Africa were obtained by hydrodistillation and analyzed by GC and GC/MS. Quantitative rather than qualitative differences in oil composition were observed. F[...]
Article : texte imprimé
Sandy F. Van Vuuren, Auteur ; Alvaro M. Viljoen, Auteur |Essential oils have been accepted and recognized as having several therapeutic applications. Popular commercial oils such as lavender, rosemary, tea tree, thyme and peppermint have been used extensively in aromatherapy and as a treatment regimen[...]
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Alvaro M. Viljoen, Auteur ; Elizabeth W. Njenga, Auteur ; Sandy F. Van Vuuren, Auteur |The essential oil composition of seven Namibian Eriocephalus species (E. dinteri, E. ericoides subsp. ericoides, E. klinghardtensis, E. luederitzianus, E. merxmuelleri, E. pinnatus, E. scariosus) were determined by GC and GC/MS. The oils of E. e[...]
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Alvaro M. Viljoen, Auteur ; Aneesa Moolla, Auteur ; Sandy F. Van Vuuren, Auteur |A seasonal variation study was performed on the chemical composition of the essential oil of Agathosma ovata (Rutaceae). In addition, this study looked at how variations may impact the antimicrobial activity of A. ovata. The chemical composition[...]
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Robyn L. Van Zyl, Auteur ; Sammy T. Seatlholo, Auteur ; Sandy F. Van Vuuren, Auteur |Twenty nature identical essential oil constituents from seven structural groups were tested for antimalarial, antimicrobial, antioxidant and toxicity properties. The compounds displayed antimalarial activity (IC50 values ranging from 0.9 to 1528[...]
Article : texte imprimé
Alvaro M. Viljoen, Auteur ; Aneesa Moolla, Auteur ; Sandy F. Van Vuuren, Auteur |The essential oil composition, antimicrobial, anti-inflammatory and cytotoxic activities of 17 indigenous Agathosnw species (18 samples) were investigated in order to validate their use in traditional healing. The results were related to the che[...]
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Alvaro M. Viljoen, Auteur ; Sahir Petkar, Auteur ; Sandy F. Van Vuuren, Auteur |Mentha longifolia (L.) L. subsp. polyadena Briq. was collected from eight localities in southern Africa for a study of the chemical composition and antimicrobial activity. The essential oils were obtained by hydrodistillation and analysed by GC [...]
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Alvaro M. Viljoen, Auteur ; Sandy F. Van Vuuren, Auteur ; Tebogo Gwebu, Auteur |The aerial parts of 16 individual Artemisia afra plants from four natural populations were hydrodistilled and the essential oil analyzed by GC/MS. The oil composition varied quantitatively and qualitatively within and between natural populations[...]
