Sandra Combrinck
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View article: Development of EVA and LLDPE polymer-based carvone and spearmint essential oil release systems for citrus postharvest diseases applications
Development of EVA and LLDPE polymer-based carvone and spearmint essential oil release systems for citrus postharvest diseases applications Open
Carvone and spearmint essential oil vapours are suitable candidates for the control of
\ncitrus postharvest pathogens due to their strong antifungal activity. However, the high volatility
\nof essential oils remains a hurdle that needs to …
View article: Bioautography‐guided HPTLC–MS as a rapid hyphenated technique for the identification of antimicrobial compounds from selected South African Combretaceae species
Bioautography‐guided HPTLC–MS as a rapid hyphenated technique for the identification of antimicrobial compounds from selected South African Combretaceae species Open
Introduction Many species within Combretaceae are traditionally used for the treatment of bacterial infections. The similarity in chemistry and antimicrobial activities within the family pose a challenge in selecting suitable species for h…
View article: Antibacterial Screening, Biochemometric and Bioautographic Evaluation of the Non-Volatile Bioactive Components of Three Indigenous South African Salvia Species
Antibacterial Screening, Biochemometric and Bioautographic Evaluation of the Non-Volatile Bioactive Components of Three Indigenous South African Salvia Species Open
Salvia africana-lutea L., S. lanceolata L., and S. chamelaeagnea L. are used in South Africa as traditional medicines to treat infections. This paper describes an in-depth investigation into their antibacterial activities to identify bioac…
View article: Temporal and spatial variations of organochlorine pesticides (OCPs) and phthalates affecting the quality of water and sediment from Loskop Dam, South Africa
Temporal and spatial variations of organochlorine pesticides (OCPs) and phthalates affecting the quality of water and sediment from Loskop Dam, South Africa Open
Organochlorine pesticides (OCPs) and phthalates are amongst the most emphasized man-made environmental contaminants, due to their prevalence, persistence and potential to induce adverse effects in organisms. In addition to prevailing indus…
View article: Phytochemical Profiling and Quality Control of Terminalia sericea Burch. ex DC. Using HPTLC Metabolomics
Phytochemical Profiling and Quality Control of Terminalia sericea Burch. ex DC. Using HPTLC Metabolomics Open
Terminalia sericea is used throughout Africa for the treatment of a variety of conditions and has been identified as a potential commercial plant. The study was aimed at establishing a high-performance thin layer chromatography (HPTLC) che…
View article: Polyphenol contents of green coffee beans from different regions of Ethiopia
Polyphenol contents of green coffee beans from different regions of Ethiopia Open
The knowledge of the levels of polyphenols present in green coffee beans from different geographical origins is important to identify beans that can provide better coffee quality. The aim of this study was to determine the concentrations o…
View article: Comparative chemical profiling and antimicrobial activity of two interchangeably used ‘Imphepho’ species (Helichrysum odoratissimum and Helichrysum petiolare)
Comparative chemical profiling and antimicrobial activity of two interchangeably used ‘Imphepho’ species (Helichrysum odoratissimum and Helichrysum petiolare) Open
• Using LC-MS and HPTLC the chemical profiles of two “ imphepo ” species were compared. • One of three isomeric compounds, 4, 5-dicaffeoylquinic acid, was isolated and quantified in both species. • Chemotypic variation was noted for H. odo…
View article: Unravelling the Antibacterial Activity of Terminalia sericea Root Bark through a Metabolomic Approach
Unravelling the Antibacterial Activity of Terminalia sericea Root Bark through a Metabolomic Approach Open
Terminalia sericea Burch. ex. DC. (Combretaceae) is a popular remedy for the treatment of infectious diseases. It is widely prescribed by traditional healers and sold at informal markets and may be a good candidate for commercialisation. F…
View article: Exploring Common Culinary Herbs and Spices as Potential Anti-Quorum Sensing Agents
Exploring Common Culinary Herbs and Spices as Potential Anti-Quorum Sensing Agents Open
Quorum sensing controls bacterial pathogenesis and virulence; hence, interrupting this system renders pathogenic bacteria non-virulent, and presents a novel treatment for various bacterial infections. In the search for novel anti-quorum se…
View article: Anti-quorum sensing and antimicrobial activities of South African medicinal plants against uropathogens
Anti-quorum sensing and antimicrobial activities of South African medicinal plants against uropathogens Open
Urinary tract infections (UTIs) primarily affect women and have increasingly become a serious health problem globally. These infections are largely attributed to the quorum sensing (QS)-dependent ability of pathogens to form biofilms in th…
View article: Bush tea (Athrixia phylicoides): A review of the traditional uses, bioactivity and phytochemistry
Bush tea (Athrixia phylicoides): A review of the traditional uses, bioactivity and phytochemistry Open
Consumption of a refreshing beverage prepared from the dried leaves and twigs of Athrixia phylicoides, commonly referred to as bush tea, is widespread in South Africa. The tea has an illustrious history of use by the indigenous people of s…
View article: Myricetin: A Dietary Molecule with Diverse Biological Activities
Myricetin: A Dietary Molecule with Diverse Biological Activities Open
Myricetin is a common plant-derived flavonoid and is well recognised for its nutraceuticals value. It is one of the key ingredients of various foods and beverages. The compound exhibits a wide range of activities that include strong anti-o…