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Characterisation of volatile components of Pinotage wines using comprehensive two-dimensional gas chromatography coupled to time-of-flight mass spectrometry (GC × GC-TOFMS)
As part of the ongoing research into the chemical composition of the uniquely South African wine cultivar Pinotage, the volatile composition of nine young wines of this cultivar was investigatedExpand
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Classification of South African red and white wines according to grape variety based on the non-coloured phenolic content
The phenolic content of South African wines was investigated for the purpose of their classification according to variety or cultivar. Twenty-two phenolic compounds were quantified by liquidExpand
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Economic Impact of HIV/AIDS in South Africa
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Comparison of high-performance liquid chromatography — Mass spectroscopy and capillary electrophoresis— mass spectroscopy for the analysis of phenolic compounds in diethyl ether extracts of red wines
SummaryReversed-phase high-performance liquid chromatography-mass spectroscopy (HPLC-MS) and capillary electrophoresis-mass spectroscopy (CE-MS) have been compared for the analysis of phenolicExpand
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Improved HPLC method for rooibos phenolics targeting changes due to fermentation
Abstract The phenolic composition of rooibos ( Aspalathus linearis ) herbal tea is inherently linked to its health-promoting properties. “Fermentation” (oxidation) develops the characteristic flavourExpand
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A robust capillary electrophoresis method for the determination of organic acids in wines
A robust capillary electrophoresis (CE) method for the determination of the six main organic acids in wines is described. The CE method is based on the use of 2,6- pyridinedicarboxylic acid (PDC) asExpand
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Genotypic variation in phenolic composition of Cyclopia pubescens (honeybush tea) seedling plants
Abstract Increasing demand for honeybush tea (Cyclopia spp.) and the need for industry expansion have created interest in non-utilised species such as Cyclopia pubescens Eckl. & Zeyh. Very limitedExpand
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Elucidation of the different devolatilisation zones of tyre rubber pyrolysis using TGA-MS
Abstract The presented derivative thermogravimetric and mass spectral data, obtained simultaneously for the pyrolysis of three different tyre rubbers, corroborate the assumption that theExpand
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