Works by Viljoen, Alvaro M.

Results: 41

Identification of potential anti-quorum sensing compounds in essential oils: a gas chromatography-based metabolomics approach.

Published in:

Journal of Essential Oil Research, 2018, v. 30, n. 6, p. 399, doi. 10.1080/10412905.2018.1503100

By:

Mokhetho, Kopang C.;
Sandasi, Maxleene;
Ahmad, Aijaz;
Kamatou, Guy P.;
Viljoen, Alvaro M.

Publication type:

Article

Volatile constituents of Notobubon and Nanobubon (Apiaceae, tribe Tordylieae).

Published in:

Journal of Essential Oil Research, 2017, v. 29, n. 4, p. 289, doi. 10.1080/10412905.2016.1259664

By:

Sobiyi, Oluwakemi K.;
Kamatou, Guy P. P.;
Viljoen, Alvaro M.;
Magee, Anthony R.;
Van Wyk, Ben-Erik

Publication type:

Article

Chemical composition and antimicrobial activity of Eucalyptus radiata leaf essential oil, sampled over a year.

Published in:

Journal of Essential Oil Research, 2016, v. 28, n. 6, p. 475, doi. 10.1080/10412905.2016.1175386

By:

Mahumane, Gillian D.;
van Vuuren, Sandy F.;
Kamatou, Guy;
Sandasi, Maxleene;
Viljoen, Alvaro M.

Publication type:

Article

The Biological Activities of 20 Nature Identical Essential Oil Constituents.

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 129, doi. 10.1080/10412905.2006.12067134

By:

Van Zyl, Robyn L.;
Seatlholo, Sammy T.;
Van Vuuren, Sandy F.;
Viljoen, Alvaro M.

Publication type:

Article

Essential Oil Composition and In Vitro Biological Activities of Seven Namibian Species of Eriocephalus L. (Asteraceae).

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 124, doi. 10.1080/10412905.2006.12067133

By:

Viljoen, Alvaro M.;
Njenga, Elizabeth W.;
Van Vuuren, Sandy F.;
Bicchi, Carlo;
Rubiolo, Patrizia;
Sgorbini, Barbara

Publication type:

Article

The Essential Oil Composition and Chemotaxonomical Appraisal of South African Pelargoniums (Geraniaceae).

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 89, doi. 10.1080/10412905.2006.12067128

By:

Lalli, Jacqueline Y. Y.;
Viljoen, Alvaro M.;
Başer, K. Hüsnü C.;
Demirci, Betül;
Özek, Temel

Publication type:

Article

In Vitro 5-Lipoxygenase Activity of Three Indigenous South African Aromatic Plants Used in Traditional Healing and the Stereospecific Activity of Limonene in the 5-Lipoxygenase Assay.

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 85, doi. 10.1080/10412905.2006.12067127

By:

Frum, Yakov;
Viljoen, Alvaro M.

Publication type:

Article

Chemical Composition, Leaf Trichome Types and Biological Activities of the Essential Oils of Four Related Salvia Species Indigenous to Southern Africa.

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 72, doi. 10.1080/10412905.2006.12067125

By:

Kamatou, Guy P. P.;
Van Zyl, Robyn L.;
Van Vuuren, Sandy F.;
Viljoen, Alvaro M.;
Figueiredo, A. Cristina;
Barroso, José G.;
Pedro, Luis G.;
Tilney, Patricia M.

Publication type:

Article

A Comparative Investigation of the Antimicrobial Properties of Indigenous South African Aromatic Plants with Popular Commercially Available Essential Oils.

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 66, doi. 10.1080/10412905.2006.12067124

By:

Van Vuuren, Sandy F.;
Viljoen, Alvaro M.

Publication type:

Article

The Chemo-Geographical Variation in Essential Oil Composition and the Antimicrobial Properties of "Wild Mint" -- Mentha longifolia subsp. polyadena (Lamiaceae) in Southern Africa.

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 60

By:

Viljoen, Alvaro M.;
Petkar, Sahir;
Van Vuuren, Sandy F.;
Figueiredo, A. Cristina;
Pedro, Luis G.;
Barroso, José G.

Publication type:

Article

Biological Activities and Composition of Salvia muirii L. Bol. Essential Oil.

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 48, doi. 10.1080/10412905.2006.12067119

By:

Kamatou, Guy P. P.;
Van Zyl, Robyn L.;
Van Vuuren, Sandy F.;
Viljoen, Alvaro M.;
Figueiredo, A. Cristina;
Barroso, José G.;
Pedro, Luis G.

Publication type:

Article

The Essential Oil Composition and Chemotaxonomy of Salvia stenophylla and its Allies S. repens and S. runcinata.

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 37, doi. 10.1080/10412905.2006.12067117

By:

Viljoen, Alvaro M.;
Gono-Bwalya, Angela;
Kamatou, Guy P. P.;
Başer, K. Hűsnű C.;
Demirci, Betűl

Publication type:

Article

A Seasonal Variation Study of the Chemical Composition and Antimicrobial Activity of the Essential Oil of Agathosma ovata (Thunb.) Pillans (Rutaceae).

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 30, doi. 10.1080/10412905.2006.12067116

By:

Viljoen, Alvaro M.;
Moolla, Aneesa;
Van Vuuren, Sandy F.;
Başer, K. Hüsnü C.;
Demirci, Betül;
Özek, Temel

Publication type:

Article

The Geographical Variation and Antimicrobial Activity of African Wormwood (Artemisia afra Jacq.) Essential Oil.

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 19, doi. 10.1080/10412905.2006.12067114

By:

Viljoen, Alvaro M.;
Van Vuuren, Sandy F.;
Gwebu, Tebogo;
Demirci, Betül;
Başer, K. Hüsnü C.

Publication type:

Article

The Biological Activity and Essential Oil Composition of 17 Agathosma (Rutaceae) Species.

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 2, doi. 10.1080/10412905.2006.12067112

By:

Viljoen, Alvaro M.;
Moolla, Aneesa;
Van Vuuren, Sandy F.;
Van Zyl, Robyn L.;
Hüsnü, K.;
Başer, C.;
Demirci, Betül;
Özek, Temel;
Trinder-Smith, Terry H.

Publication type:

Article

Essential Oil Composition and In Vitro Biological Activities of Seven Namibian Species of Eriocephalus L. (Asteraceae).

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 124, doi. 10.1080/10412905.2006.12067133

By:

Viljoen, Alvaro M.;
Njenga, Elizabeth W.;
van Vuuren, Sandy F.;
Bicchi, Carlo;
Rubiolo, Patrizia;
Sgorbini, Barbara

Publication type:

Article

The Biological Activities of 20 Nature Identical Essential Oil Constituents.

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 129, doi. 10.1080/10412905.2006.12067134

By:

van Zyl, Robyn L.;
Seatlholo, Sammy T.;
van Vuuren, Sandy F.;
Viljoen, Alvaro M.

Publication type:

Article

The Chemo-Geographical Variation in Essential Oil Composition and the Antimicrobial Properties of "Wild Mint" – Mentha longifolia subsp. polyadena (Lamiaceae) in Southern Africa.

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 60, doi. 10.1080/10412905.2006.12067123

By:

Viljoen, Alvaro M.;
Petkar, Sahir;
van Vuuren, Sandy F.;
Figueiredo, A. Cristina;
Pedro, Luis G.;
Barroso, José G.

Publication type:

Article

In Vitro 5-Lipoxygenase Activity of Three Indigenous South African Aromatic Plants Used in Traditional Healing and the Stereospecific Activity of Limonene in the 5-Lipoxygenase Assay.

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 85, doi. 10.1080/10412905.2006.12067127

By:

Frum, Yakov;
Viljoen, Alvaro M.

Publication type:

Article

Chemical Composition, Leaf Trichome Types and Biological Activities of the Essential Oils of Four Related Salvia Species Indigenous to Southern Africa.

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 72, doi. 10.1080/10412905.2006.12067125

By:

Kamatou, Guy P.P.;
van Zyl, Robyn L.;
van Vuuren, Sandy F.;
Viljoen, Alvaro M.;
Figueiredo, A. Cristina;
Barroso, José G.;
Pedro, Luis G.;
Tilney, Patricia M.

Publication type:

Article

A Comparative Investigation of the Antimicrobial Properties of Indigenous South African Aromatic Plants with Popular Commercially Available Essential Oils.

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 66, doi. 10.1080/10412905.2006.12067124

By:

van Vuuren, Sandy F.;
Viljoen, Alvaro M.

Publication type:

Article

The Essential Oil Composition and Chemotaxonomical Appraisal of South African Pelargoniums (Geraniaceae).

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 89, doi. 10.1080/10412905.2006.12067128

By:

Lalli, Jacqueline Y.Y.;
Viljoen, Alvaro M.;
Başer, K. HüSnü C.;
Demirci, Betül;
Özek, Temel

Publication type:

Article

Biological Activities and Composition of Salvia muirii L. Bol. Essential Oil.

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 48, doi. 10.1080/10412905.2006.12067119

By:

Kamatou, Guy P. P.;
van Zyl, Robyn L.;
van Vuuren, Sandy F.;
Viljoen, Alvaro M.;
Figueiredo, A. Cristina;
Barroso, José G.;
Pedro, Luis G.

Publication type:

Article

The Essential Oil Composition and Chemotaxonomy of Salvia stenophylla and its Allies S. repens and S. runcinata.

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 37, doi. 10.1080/10412905.2006.12067117

By:

Viljoen, Alvaro M.;
Gono-Bwalya, Angela;
Kamatou, Guy P.P.;
Başer, K. Hűsnű C.;
Demirci, Betűl

Publication type:

Article

A Seasonal Variation Study of the Chemical Composition and Antimicrobial Activity of the Essential Oil of Agathosma ovata (Thunb.) Pillans (Rutaceae).

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 30, doi. 10.1080/10412905.2006.12067116

By:

Viljoen, Alvaro M.;
Moolla, Aneesa;
van Vuuren, Sandy F.;
Başer, K. Hüsnü C.;
Demirci, Betül;
Özek, Temel

Publication type:

Article

The Geographical Variation and Antimicrobial Activity of African Wormwood (Artemisia afra Jacq.) Essential Oil.

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 19, doi. 10.1080/10412905.2006.12067114

By:

Viljoen, Alvaro M.;
van Vuuren, Sandy F.;
Gwebu, Tebogo;
Demirci, Betűl;
Başer, K. Hűsnű C.

Publication type:

Article

The Biological Activity and Essential Oil Composition of 17 Agathosma (Rutaceae) Species.

Published in:

Journal of Essential Oil Research, 2006, v. 18, p. 2, doi. 10.1080/10412905.2006.12067112

By:

Viljoen, Alvaro M.;
Moolia, Aneesa;
van Vuuren, Sandy F.;
van Zyl, Robyn L.;
Başer, K. Hüsnü C.;
Demirci, Betül;
Özek, Temel;
Trinder-Smith, Terry H.

Publication type:

Article

Bioautography‐guided HPTLC–MS as a rapid hyphenated technique for the identification of antimicrobial compounds from selected South African Combretaceae species.

Published in:

Phytochemical Analysis, 2022, v. 33, n. 8, p. 1177, doi. 10.1002/pca.3167

By:

Anokwuru, Chinedu P.;
Chen, Weiyang;
van Vuuren, Sandy;
Combrinck, Sandra;
Viljoen, Alvaro M.

Publication type:

Article

A Novel Approach in Herbal Quality Control Using Hyperspectral Imaging: Discriminating Between Sceletium tortuosum and Sceletium crassicaule.

Published in:

Phytochemical Analysis, 2013, v. 24, n. 6, p. 550, doi. 10.1002/pca.2431

By:

Shikanga, Emmanuel Amukohe;
Viljoen, Alvaro M.;
Vermaak, Ilze;
Combrinck, Sandra

Publication type:

Article

The Influence of Carrier Oils on the Antimicrobial Activity and Cytotoxicity of Essential Oils.

Published in:

International Journal of Professional Holistic Aromatherapy, 2020, v. 9, n. 2, p. 19

By:

Orchard, Ané;
Kamatou, Guy;
Viljoen, Alvaro M.;
Patel, Namita;
Mawela, Patricia;
van Vuuren, Sandy F.

Publication type:

Article

Flavonoid glycosides and ellagic acid cognates from defatted African mango (Irvingia gabonensis) seed kernel.

Published in:

Natural Product Research, 2023, v. 37, n. 17, p. 2878, doi. 10.1080/14786419.2022.2140151

By:

Zulfiqar, Fazila;
Ali, Zulfiqar;
Viljoen, Alvaro M.;
Chittiboyina, Amar G.;
Khan, Ikhlas A.

Publication type:

Article

Investigating the Antituberculosis Activity of Selected Commercial Essential Oils and Identification of Active Constituents Using a Biochemometrics Approach and In Silico Modeling.

Published in:

Antibiotics (2079-6382), 2022, v. 11, n. 7, p. 948, doi. 10.3390/antibiotics11070948

By:

Boussamba-Digombou, Katyna J.;
Sandasi, Maxleene;
Kamatou, Guy P.;
van Vuuren, Sandy;
Sawicki, Rafal;
Fakhar, Zeynab;
Viljoen, Alvaro M.

Publication type:

Article

Screening selected medicinal plants for potential anxiolytic activity using an in vivo zebrafish model.

Published in:

Psychopharmacology, 2020, v. 237, n. 12, p. 3641, doi. 10.1007/s00213-020-05642-5

By:

Maphanga, Veronica B.;
Skalicka-Woźniak, Krystyna;
Budzynska, Barbara;
Enslin, Gill M.;
Viljoen, Alvaro M.

Publication type:

Article

A Review of the Application and Pharmacological Properties of α-Bisabolol and α-Bisabolol-Rich Oils.

Published in:

Journal of the American Oil Chemists' Society (JAOCS), 2010, v. 87, n. 1, p. 1, doi. 10.1007/s11746-009-1483-3

By:

Kamatou, Guy P. P.;
Viljoen, Alvaro M.

Publication type:

Article

Toxicity and anti-prolific properties of Xysmalobium undulatum water extract during short-term exposure to two-dimensional and three-dimensional spheroid cell cultures.

Published in:

Toxicology Mechanisms & Methods, 2018, v. 28, n. 9, p. 641, doi. 10.1080/15376516.2018.1485805

By:

Calitz, Carlemi;
Hamman, Josias H.;
Viljoen, Alvaro M.;
Fey, Stephen J.;
Wrzesinski, Krzysztof;
Gouws, Chrisna

Publication type:

Article

Hyperspectral Imaging and Chemometric Modeling of Echinacea – A Novel Approach in the Quality Control of Herbal Medicines.

Published in:

Molecules, 2014, v. 19, n. 9, p. 13104, doi. 10.3390/molecules190913104

By:

Sandasi, Maxleene;
Vermaak, IIze;
Weiyang Chen;
Viljoen, Alvaro M.

Publication type:

Article

Eugenol-From the Remote Maluku Islands to the International Market Place: A Review of a Remarkable and Versatile Molecule.

Published in:

Molecules, 2012, v. 17, n. 6, p. 6953, doi. 10.3390/molecules17066953

By:

Kamatou, Guy P.;
Vermaak, Ilze;
Viljoen, Alvaro M.

Publication type:

Article

Polymeric Plant-derived Excipients in Drug Delivery.

Published in:

Molecules, 2009, v. 14, n. 7, p. 2602, doi. 10.3390/molecules14072602

By:

Beneke, Carien E.;
Viljoen, Alvaro M.;
Hamman, Josias H.

Publication type:

Article

Effects of dietary fruits, vegetables and a herbal tea on the in vitro transport of cimetidine: Comparing the Caco-2 model with porcine jejunum tissue.

Published in:

Pharmaceutical Biology, 2012, v. 50, n. 2, p. 254, doi. 10.3109/13880209.2011.598169

By:

Tarirai, Clemence;
Viljoen, Alvaro M.;
Hamman, Josias H.

Publication type:

Article

Optimization of Antioxidant Synergy in a Polyherbal Combination by Experimental Design.

Published in:

Molecules, 2022, v. 27, n. 13, p. 4196, doi. 10.3390/molecules27134196

By:

Mapeka, Tsholofelo M.;
Sandasi, Maxleene;
Viljoen, Alvaro M.;
van Vuuren, Sandy F.

Publication type:

Article

Phytochemical Profiling and Quality Control of Terminalia sericea Burch. ex DC. Using HPTLC Metabolomics.

Published in:

Molecules, 2021, v. 26, n. 2, p. 432, doi. 10.3390/molecules26020432

By:

Mulaudzi, Nduvho;
Anokwuru, Chinedu P.;
Tankeu, Sidonie Y.;
Combrinck, Sandra;
Chen, Weiyang;
Vermaak, Ilze;
Viljoen, Alvaro M;
Mandrioli, Roberto

Publication type:

Article