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Results for “reductive aromas”
Showing 1–12 of 24 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
To swirl or not to swirl? - that is the question... (Part 1)
This study looked at both chemistry and sensory perception in model wine with different varietal thiol and H2S levels. Using a model wine, they were able to manipulate the varietal thiol and free H2S at low and high levels and assessed sensory changes after different glass swirling regimes.
By Matija Lesković, Jeanne Brand and Wessel du Toit · 8 min read
To swirl or not to swirl? - that is the question... (Part 2)
This study investigated the sensory suppression effects of H2S on tropical fruit characters and evaluated whether the perceived improvement following swirling is a result of chemical oxidation or physical volatilisation.
By Matija Lesković, Jeanne Brand and Wessel du Toit · 9 min read
Resolutions adopted by OIV
The 14th General Assembly of the International Organisation of Vine and Wine (OIV), which met on 28 October 2016 in Bento Gonçalves (Brazil), adopted a total of
By OIV · 7 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
Winners of the FNB Sauvignon Blanc Top 10 announced
The winners of the 2018 FNB Sauvignon Blanc Top Ten were announced during a well-attended wine crafters affair at the picturesque Landtscap outside Stellenbosch
By Anton Pretorius · 7 min read
Nitrogen and sulphur foliar fertilisation (Part 3)
PHOTO: Shutterstock.
By Astrid Buica, Aléta Bruwer & Wessel du Toit · 8 min read
Volatile sulphur compounds
PHOTO: Shutterstock.
By Astrid Buica, Sebastian Vannevel and Wessel du Toit · 8 min read
