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Results for “polyphenols”
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Wine tannins and polysaccharides - frenemies?
It can happen to the youngest and most experienced of winemakers alike – what we thought would be our boldest vintage for decades, has come out lighter in colou
By James Duncan · 8 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
Using MLF to create a buttery wine or not
Various factors influence the amount of diacetyl, acetoin and 2,3-butanediol produced during fermentation impacting the buttery aroma.
By Natasha Pretorius, Lynn Engelbrecht and Maret du Toit · 11 min read
Resolutions adopted by OIV
The 15th General Assembly of the International Organisation of Vine and Wine (OIV), which met on 2 June 2017 in Sofia (Bulgaria), adopted a total of 22 resoluti
By OIV · 8 min read
The role of acetaldehyde in wine quality
High acetaldehyde concentrations impart a bruised apple flavour to wine.
By Doronae · 4 min read
Le Lude leads the charge with Agrafe method
A tasting on 27 November in Constantia will reveal the true class of Le Lude’s MCC wines and will feature their Vintage Cuvée Collection and the South Africa’s First Agrafe Cap Classique.
By Bernard Mocke · 3 min read
Flash Détente technology
The use of thermovinification to prevent the negative results of rotten or unripe red grapes has also been applied in South Africa since the seventies. The prim
By Doronae · 4 min read
Willow Creek Olive Oils receive top honours at international competition
Willow Creek took top honours at the 20th L’Orciolo d’ Oro in Italy and at the Terra Olivo International Olive Oil competition in Israel.
By Anton Pretorius · 3 min read
The advantages and disadvantages of oxygen prior to bottling
PHOTO 1. Rackings are a source of oxygen contact.
By Charl Theron · 6 min read
Benchmarking of commercial tannins and mannoproteins
ILLUSTRATION: Shutterstock.
By Karien O'Kennedy · 5 min read
Red Dawn: extracting nature’s power
The unique compounds found in honeybush is the magic ingredient to Red Dawn's Natural Tannin, says Red Dawn’s innovation manager, Arnold Vlok. Photo Credit: Dav
By Anton Pretorius · 3 min read
Pectinases improve consistency in winemaking
PHOTO: Shutterstock.
By Yu Gao, Melané Vivier and John Moore · 5 min read
