Analytical techniques for wine analysis: An African perspective; a review |
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| Authors: | André de Villiers,Phillipus Alberts,Andreas G.J. Tredoux,Hé lè ne H. Nieuwoudt |
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| Affiliation: | 1. Department of Chemistry and Polymer Science, Stellenbosch University, Private Bag X1, Matieland 7602, Stellenbosch, South Africa;2. Institute for Wine Biotechnology, Department of Viticulture and Oenology, Stellenbosch University, Private Bag X1, Matieland 7602, Stellenbosch, South Africa |
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| Abstract: | Analytical chemistry is playing an ever-increasingly important role in the global wine industry. Chemical analysis of wine is essential in ensuring product safety and conformity to regulatory laws governing the international market, as well as understanding the fundamental aspects of grape and wine production to improve manufacturing processes. Within this field, advanced instrumental analysis methods have been exploited more extensively in recent years. Important advances in instrumental analytical techniques have also found application in the wine industry. This review aims to highlight the most important developments in the field of instrumental wine and grape analysis in the African context. The focus of this overview is specifically on the application of advanced instrumental techniques, including spectroscopic and chromatographic methods. Recent developments in wine and grape analysis and their application in the African context are highlighted, and future trends are discussed in terms of their potential contribution to the industry. |
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| Keywords: | AAS, atomic absorption spectroscopy ABTS, 2,2&prime -azinobis(3-ethylbenzothialozinesulfonic acid) AOTF, acousto-optical tunable filter instrument ATR, attenuated total reflection BGE, background electrolyte CAR, carboxen CE, capillary electrophoresis DAD, diode array detector DPPH, 2,2-diphenyl-1-picrylhydrazyl radicals DVB, divinylbenzene ELSD, evaporative light scattering detection ESI, electrospray ionisation EU, European Union FFAP, free fatty acid phase FID, flame ionisation detector FLD, fluorescence detector FT-MIR, Fourier transform mid-infrared spectroscopy FT-NIR, Fourier transform near-infrared spectroscopy GC, gas chromatography GC-O, gas chromatography-olfactometry HILIC, hydrophilic interaction chromatography HPLC, high performance liquid chromatography HSSE, headspace sorptive extraction HS-SPME, headspace solid phase micro-extraction ICP-MS, inductively coupled plasma-mass spectrometry IR, infrared LDA, linear discriminant analysis LLE, liquid&ndash liquid extraction MALDI, matrix assisted laser desorption ionisation MIR, mid-infrared MRM, multiple reaction monitoring MS, mass spectrometry NIR, near-infrared NMR, nuclear magnetic resonance OIV, international vine and wine office OTTs, open tubular traps PCA, principal component analysis PCR, principal component regression PDMS, polydimethylsiloxsane PEG, polyethyleneglycol PFPD, pulsed flame photometric detector PLS, partial least squares regression PSDVB, polystyrene-divinylbenzene REA-PFGE, endonuclease analysis pulsed field gel electrophoresis RI, refraction index RMSEP, root mean square error of prediction RP, reversed phase SBSE, stir bar sorptive extraction SEP, standard error of prediction RPD, residual predictive deviation SIM, selected ion monitoring SIMCA, soft independent modelling of class analogy SPDE, solid phase dynamic extraction SPE, solid phase extraction SPME, solid phase micro-extraction TA, titratable acidity TOF, time-of-flight TSS, total soluble solids UPLC, ultra-performance liquid chromatography UV, ultraviolet UV/Vis, ultraviolet/visible |
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