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Results for “effect on thiols”
Showing 1–12 of 62 results
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The effect of a reductive aroma compound on the perception of fruity volatile thiols
The fruity volatile thiols and the compounds associated with reductive aromas often occupy the same wine due to similar conditions supporting their formation an
By Carien Coetzee, Sebastian Vannevel, Jeanne Brand, Astrid Buica & Wessel du Toit · 6 min read
Yeast cell density and the effect on volatile thiol formation
A recent study investigated the effect of varying the yeast population at the time of inoculation and how it affects the overall fermentation with a special focus on the formation and release of volatile thiols.
By Carien Coetzee · 5 min read
Q&A with Matija Lesković (PhD)
Originally from Croatia, Matija Lesković (PhD) is an Oenologist who completed his doctorate at Stellenbosch University in 2024 with his thesis, “Varietal thiols and ‘reductive’ compounds in white wine.”
By SA Wine Industry · 6 min read
Cooling Sauvignon blanc grapes before processing - is it worth the effort, time and energy?
An industry-focused study conducted by New Zealand researchers analysed the holding temperature of Sauvignon blanc machine-harvested grapes and the effect on the concentration of grape thiol precursors and that of free thiols in the resultant wines.
By Carien Coetzee · 6 min read
New Winetech projects for 2017 (Part 1)
1. Modelling colour stability and ageing potential in SA red wines
By Winetech Editorial Team · 4 min read
Guava tree and cat's pee (Part 1)
PHOTO: Hendrik Holler (Wosa Library).
By Carien Coetzee · 6 min read
Guava tree and cat's pee (Part 2)
PHOTO: Hendrik Holler (Wosa Library).
By Carien Coetzee · 8 min read
Guava tree and cat's pee (Part 3)
PHOTO: Hendrik Holler (Wosa Library).
By Carien Coetzee · 12 min read
Guava tree and cat's pee (Part 4)
PHOTO: Hendrik Holler (Wosa Library).
By Carien Coetzee · 5 min read
Aromatic quality of wines - a yeast perspective
PHOTO: Shutterstock.
By Debra Rossouw and Florian Bauer · 9 min read
Thiol levels in dry South African Chenin blanc wines (Part 1)
PHOTO: Shutterstock.
By Astrid Buica, Jeanne Brand and Christine Wilson · 7 min read
Thiol levels in dry South African Chenin blanc wines (Part 2)
PHOTO: Shutterstock.
By Astrid Buica, Jeanne Brand and Christine Wilson · 8 min read