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Results for “Spectroscopy”
Showing 1–12 of 16 results
16 results — page 1 of 2
Traditional and alternative methods to monitor wine fermentations
The purpose of this article is to illustrate the potential contribution of infrared spectroscopy to the monitoring of wine fermentations.
By Hélène Nieuwoudt · 10 min read
The use of barrel technology for uniform barrels
All winemakers know that individual barrels differ. Although it may sometimes be beneficial and offer variation to wines, a barrel can influence the sustainabil
By Sandile · 4 min read
Analytical methods to measure grape metabolites - a review
This review presents a summary of the chromatographic methods that have been developed and optimised to accurately profile and quantify grape metabolites. The g
By Hans André Eyéghé-Bickong, Philip Young and Melané Vivier · 10 min read
The role of metals in the quality and shelf-life of white wine
PICTURE: Shutterstock.
By Francois van Jaarsveld and Francois October · 6 min read
Big data and YAN analysis - new developments in South African context
ILLUSTRATION: Shutterstock.
By Astrid Buica, Gabriella Petrovic and Jose-Luis Aleixandre-Tudo · 7 min read
Anton Paar's Lyza 5000: Multi-parameter wine analyser for rapid wine profiling
Anton Paar’s new instrument, Lyza 5000™, is the latest product in the Fourier Transformation Infrared (FTIR) Spectroscopy line. It's one of the most powerful to
By Anton Pretorius · 2 min read
Cork or crown closures during bottle fermentation
A collaborative project to investigate a selection of bottle-fermented sparkling wines closed with corks and crown caps.
By Neil Jolly · 9 min read
Hyperspectral - the answer to water stress? (Part 1)
This study presents a novel hyperspectral-machine learning methodology for the non-destructive identification of water-stressed vines in a Shiraz vineyard.
By Kyle Loggenberg, Albert Strever & Nitesh Poona · 8 min read
Hyperspectral - the answer to water stress? (Part 2)
The research presented in Part 2 aims to derive a two-band optimised vegetation index using hyperspectral data captured across the visible near-infrared (VNIR) region of the electromagnetic (EM) spectrum.
By Marc Dukes, Nitesh Poona & Kyle Loggenberg · 5 min read
The past, present and future of sulphur dioxide
It is known that the main purpose of sulphur dioxide in winemaking is its microbiological control and protection against oxidation.
By Charl Theron · 5 min read
