The journal of essential oil research, Vol. 18 N° Spécial. The journal of essential oil research: South Africa - Juillet 2006
| Titre : | The journal of essential oil research, Vol. 18 N° Spécial. The journal of essential oil research: South Africa - Juillet 2006 |
| Type de document : | Bulletin |
| Paru le : | 07/05/2013 |
Dépouillements
Article : texte imprimé
Alvaro M. Viljoen, Auteur ;
Aneesa Moolla, Auteur ;
Sandy F. Van Vuuren, Auteur
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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[...]
Article : texte imprimé
K. H. C. Başer, Auteur ;
B. Demirci, Auteur ;
T. Özek, Auteur
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Hydrodistilled essential oils from the herbal parts of Diosma prama were analyzed by GC and GC/MS. Thirty compounds were characterized in chemotype A, representing 97.3% of the oil with 1,8-cineole + P-phellandrene (25.6%), myrcene (23.5%), β-pi[...]
Article : texte imprimé
Alvaro M. Viljoen, Auteur ;
Sandy F. Van Vuuren, Auteur ;
Tebogo Gwebu, Auteur
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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[...]
Article : texte imprimé
K. H. C. Başer, Auteur ;
B. Demirci, Auteur ;
T. Özek, Auteur
|
Hydrodistilled essential oils from the herbal parts of Coleonema album (Thunb.) Bartl. et H.L. Wendl., C. aspalathoides Juss et Don, C. calycinum (Steud.) I. Williams, C. pulchellum I. Williams (three samples) and C. virgatum (Schltdl.) Eckl. et[...]
Article : texte imprimé
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[...]
Article : texte imprimé
Alvaro M. Viljoen, Auteur ;
Angela Gono-Bwalya, Auteur ;
Guy P. P. Kamatou, Auteur
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salvia stenophylla Burch. ex Benth. (Lamiaceae) is a perennial aromatic herb, which is widespread in the high altitude areas of the central and eastern parts of South Africa. It is closely related to Salvia runcinata L. f. and Salvia repens Burc[...]
Article : texte imprimé
K. H. C. Başer, Auteur ;
B. Demirci, Auteur ;
T. Özek, Auteur
|
Hydrodistilled essential oils from the herbal parts of Adenandra obtusata Sond. and A. villosa (P.J.Bergius) Licht. ex Roem. et Schult.were analyzed by GC and GC/MS. Thirty-seven compounds were characterized in the oil of A. obtusata, representi[...]
Article : texte imprimé
Guy P. P. Kamatou, Auteur ;
Robyn L. Vanzyl, Auteur ;
Sandy F. Van Vuuren, Auteur
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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
Maria De Figueiredo, Auteur
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The essential oil of tea tree (Melaleuca alternifolia cheel) foliage was isolated by steam distillation and its chemical composition was determined by gas chromatography (GC). The plant material was collected monthly throughout the 2004 season. [...]
Article : texte imprimé
K. H. C. Başer, Auteur ;
B. Demirci, Auteur ;
T. Özek, Auteur
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Hydrodistilled essential oils from the leaves of Acmadenia altemifolia Cham., A. obtusata (Thunb.) Batl. et H.L. Wendle and A. sheilae I. Williams were analyzed by GC and GC/MS. Twenty-two compounds were characterized in the oil of A. altemifoli[...]
Article : texte imprimé
A. O. Oyedeji, Auteur ;
A. J. Afolayan, Auteur
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The essential oil obtained by hydrodistillation from Mentha longifolia of South Africa origin was analyzed by GC and GC/M S. A total of 31 components were identified, accounting for 99.7% of the oil composition. Menthone (50.9%), pulegone (19.3%[...]
Article : texte imprimé
Alvaro M. Viljoen, Auteur ;
Sahir Petkar, Auteur ;
Sandy F. Van Vuuren, Auteur
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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 [...]
Article : texte imprimé
Sandy F. Van Vuuren, Auteur ;
Alvaro M. Viljoen, Auteur
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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[...]
Article : texte imprimé
Guy P. P. Kamatou, Auteur ;
Robyn L. Van Zyl, Auteur ;
Sandy F. Van Vuuren, Auteur
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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
Sandra Combrinck, Auteur ;
Adrian A. Bosman, Auteur ;
Barend M. Botha, Auteur
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Lippia scaberrima (Verbenaceae) is an aromatic, medicinal shrub which is indigenous to southern Africa. Quantitative and qualitative analyses of the essential oil were conducted using gas chromatographic techniques. The effects of post-harvest d[...]
Article : texte imprimé
Yakov Frum, Auteur ;
Alvaro M. Viljoen, Auteur
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An investigation was .undertaken to determine the 5-lipoxygenase inhibitory activity of aromatic plants traditionally used to treat dermatological pathologies. Guided by ethnobotanical literature and availability from natural sources, the essent[...]
Article : texte imprimé
Jacqueline Y. Y. Lalli, Auteur ;
Alvaro M. Viljoen, Auteur ;
K. Hüsnü, Auteur
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A plethora of information is available on the essential oil composition of commercially grown Pelargoniums namely P. capitatum, P. graveolens and P. radens and their hybrids, while only a few chemical investigations have been carried out on the [...]
Article : texte imprimé
Nozipho M. Motsa, Auteur ;
Puffy Soundy, Auteur ;
J. Martin Steyn, Auteur
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A field experiment was conducted during 2005/2006 at the Experimental Farm of the University of Pretoria, South Africa to investigate the changes in herbage yield, oil yield and the variation in the concentration of the major components of rose-[...]
Article : texte imprimé
Hintsa T. Araya, Auteur ;
Puffy Soundy, Auteur ;
J. Martin Steyn, Auteur
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A field experiment was conducted on rose-scented geranium in Pretoria, South Africa, to evaluate the response of plants to amount and source of N. Treatments consisted of two sources of N, comprising conventional or organic fertiliser sources at[...]
Article : texte imprimé
H. Rodolfo Juliani, Auteur ;
Adolfina Koroch, Auteur ;
James E. Simon, Auteur
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As several sub-Saharan African countries are entering into the commercial production of geranium essential oils, this work sought to characterize the oil quality of Pelargonium sp. based on organoleptic, physicochemical and chemical properties f[...]
Article : texte imprimé
K. H. C. Başer, Auteur ;
B. Demirci, Auteur ;
T. Özek, Auteur
|
Hydrodistilled essential oil from herbal parts of Euchaetis albertiniana was analyzed by GC and GC/MS. Fifty-seven compounds were characterized representing 97.7% of the oil with α-pinene (17.5%), β-pinene (14%), 1,8-cineole + P-phellandrene (10[...]
Article : texte imprimé
Alvaro M. Viljoen, Auteur ;
Elizabeth W. Njenga, Auteur ;
Sandy F. Van Vuuren, Auteur
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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[...]
Article : texte imprimé
Robyn L. Van Zyl, Auteur ;
Sammy T. Seatlholo, Auteur ;
Sandy F. Van Vuuren, Auteur
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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[...]
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