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Results for “OTR”
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OTR and long-term ageing of Sauvignon blanc wines
A recent study investigated the oxygen transfer rate (OTR) of different bottle closures after 12 years of bottle storage (OTRT12) of a Sauvignon blanc wine.
By Carien Coetzee · 6 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
The migration of flavour contaminants through bottle closures
Different bottle closures.
By Doronae · 5 min read
The choice of bottle closures - the final choice of the winemaker
Winemaking is a progressive process and winemakers have to make different decisions in the course thereof until the wine eventually reaches the glass of the con
By Doronae · 3 min read
The importance of oxygen control during bottling and the measurement of dissolved oxygen in wine
PHOTO 1. A benchtop oxygen meter.
By Charl Theron · 5 min read
Actions in cork factories to prevent TCA in closures
Although TCA in cork bark can be diminished considerably by certain actions in cork forests, it can be diminished further by actions in cork factories.
By Charl Theron · 5 min read
Modern amphorae and oak barrels
Modern amphorae differ considerably from ancient ones. It has similar oxygen transfer rates as barrels and is consequently not only used as fermentation vessels, but can also play a role in wine maturation.
By Charl Theron · 4 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
Maintaining barrels for longer use
Barrels are an integral part of winemaking due to the extraction of wood flavours and micro-oxygenation during barrel maturation.
By Charl Theron · 3 min read
