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Results for “carbon dioxide”
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Carbonic maceration
Carbonic maceration is the storage of whole grape bunches in an inert atmosphere of carbon dioxide.
By Charl Theron · 4 min read
Confronting Climate Change: Carbon jargon - your quick guide to carbon literacy
Greenhouse gases (GHGs) in the atmosphere trap heat that would otherwise radiate into space. The most abundant greenhouse gas in our atmosphere is water vapour, followed by carbon dioxide, methane, nitrous oxide, ozone, fluorocarbons and a few others. Carbon dioxide (CO2) is the greenhouse gas…
By Anna Mouton · 4 min read
Factors that affect alcoholic fermentation
The alcoholic fermentation of grape juice is affected by the yeast strain, sugar concentration, alcohol concentration, fermentation temperature, presence of oxygen, concentration of assimilable nitrogen, vitamins and minerals, survival factors, preservatives, carbon dioxide and volatile acidity.
By Charl Theron · 7 min read
Crack down on counterfeiting
With its innovative products Guala Closures South Africa is leading the way when it comes to curbing counterfeiting.
By Wanda Augustyn · 4 min read
New Winetech projects for 2017 (Part 2)
1. Ecology and management of Lobesia vanillana in vineyards
By Winetech Editorial Team · 4 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
Guava tree and cat's pee (Part 3)
PHOTO: Hendrik Holler (Wosa Library).
By Carien Coetzee · 12 min read
The role of acetaldehyde in wine quality
High acetaldehyde concentrations impart a bruised apple flavour to wine.
By Doronae · 4 min read
The quest to become whole again
Winemakers are increasingly looking to oft-forgotten techniques to improve the quality and elegance of their wine, enhance specific styles and facilitate proces
By Carlin Cloete · 9 min read
