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Results for “Compounds”
Showing 1–12 of 264 results
264 results — page 1 of 22
Volatile sulphur compounds
PHOTO: Shutterstock.
By Astrid Buica, Sebastian Vannevel and Wessel du Toit · 8 min read
Bitter compounds in oak wood
The maturation of wine in oak barrels has an influence on the colour, flavour and taste of wine. Although the aim of wood maturation is the improvement of wine,
By Charl Theron · 4 min read
The phenolic compounds of white wines
Phenols can cause the browning of white wines.
By Charl Theron · 4 min read
How volatile fatty acids and sulphurous compounds impact on key aromas
This is the final article in a series of three which covers the fungal and bacterial origins of wine aromas. These articles detail esters, aldehydes, volatile f
By Russell Moss · 9 min read
Berry stress and wine quality
Many compounds linked to quality in wine originate from stresses experienced by grape berries.
By Doronae · 9 min read
Understanding and measuring tannins in red wines
The importance of phenolic compounds on wine quality require methods that accurately measure the tannin content.
By Jose Luis Aleixandre-Tudo, Mihaela Minhea and Wessel du Toit · 9 min read
Is adding copper the solution? (Part 1)
In a Winetech-funded project, researchers aimed to answer the question: How does copper addition influence the reductive compounds and varietal thiols in a wine after bottling?
By Matija Lesković, Jeanne Brand and Wessel du Toit · 8 min read
Is adding copper the solution? (Part 2)
The aim of this Winetech-funded project is to improve the understanding of winemakers of the influence of copper fining on a wine quality.
By Matija Lesković, Jeanne Brand and Wessel du Toit · 8 min read
Fresh mushroom off-flavours in dry & sparkling wines
Fresh mushroom off-flavour is characterised by an odour typical of the common mushroom.
By Eric Meistermann & Stéphanie Villaumé · 6 min read
The pinking paradox
Pinking refers to the appearance of salmon or pink tones in white wines made from white grape varieties. It has been reported worldwide in cultivars such as Chardonnay, Chenin blanc, Sauvignon blanc, Sémillon, Pinot gris, Riesling and others. Its unfortunate timing is one of the reasons it is so…
By Karien O'Kennedy · 5 min read
