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Results for “Sulphur”
Showing 1–12 of 135 results
135 results — page 1 of 12
Volatile sulphur compounds
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By Astrid Buica, Sebastian Vannevel and Wessel du Toit · 8 min read
Natural alternatives for sulphur dioxide
Sulphur dioxide was already used by the Romans and remains the most general additive in winemaking.
By Charl Theron · 3 min read
Sulphur dioxide - understanding the complexities
Winemakers know the sulphur dioxide terminologies like free sulphur, total sulphur, molecular sulphur and its anti-oxidative and anti-microbial characteristics, but the links between them are not always very clear.
By Charl Theron · 5 min read
Sulphur in wine: ensuring longevity
Sulphur dioxide is a potent antioxidant and antimicrobial agent that helps prevent oxidative and microbial spoilage in wine. But now the consumer-driven trend f
By Anton Pretorius · 3 min read
Free sulphur dioxide management in barrels
Sulphur dioxide and barrels are both integral to winemaking, although their purposes are entirely different.
By Charl Theron · 5 min read
Nitrogen and sulphur foliar fertilisation (Part 2)
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By Astrid Buica, Aléta Bruwer & Wessel du Toit · 8 min read
Nitrogen and sulphur foliar fertilisation (Part 3)
PHOTO: Shutterstock.
By Astrid Buica, Aléta Bruwer & Wessel du Toit · 8 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
Nitrogen and sulphur foliar fertilisation (Part 1): Background and context
PHOTO: Shutterstock.
By Astrid Buica, Aléta Bruwer & Wessel du Toit · 11 min read
Beyond copper - practical strategies for managing reductive sulphur in wine
A study assessed several approaches to managing reductive off-odours in wine, with an emphasis on long-term effectiveness.
By Carien Coetzee · 6 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
Elemental sulphur residues at harvest - boosting both the good and the bad
A recent study conducted by New Zealand researchers investigated the effects of the addition of antioxidants (a combination of ascorbic acid and sulphur dioxide) and elemental sulphur during grape processing on the sensory and chemical composition of the resulting wines.
By Carien Coetzee · 6 min read
