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Results for “yeast cell density”
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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
New tools to help overcome stuck fermentations in wine
Twenty years ago, it was thought that stuck fermentations were mainly due to two things: nitrogen deficiency and the glucose/fructose ratio of the must. Recentl
By Lallemand · 16 min read
Impact of grapevine nitrogen fertilisation on YAN levels in the juice
PHOTO: Johannes Richter.
By Doronae · 7 min read
Vineyard row orientation (Part 5) - unwooded and wooded Shiraz wine attributes
Wine chemical and sensory characteristics of differently orientated vertically trellised Shiraz grapevines (NS, EW, NE-SW and NW-SE rows) were investigated at t
By Kobus Hunter & Neels Volschenk · 18 min read
Oxidative stability of white and rosé wines
In this article we present research work carried out in collaboration with the University of Burgundy, which has highlighted the impact of a new specific inacti
By Lallemand · 9 min read
The conversion of sugar to alcohol
The Balling meter does not reflect an accurate sugar concentration of grape juice.
By Charl Theron · 4 min read
Fresh mushroom off-flavours in dry & sparkling wines
Fresh mushroom off-flavour is characterised by an odour typical of the common mushroom.
By Eric Meistermann & Stéphanie Villaumé · 6 min read
Bioprotection as an alternative to sulphur dioxide in the pre-fermentation phase
There has been recent research on bioprotection as an alternative to sulphite addition in the pre-fermentation phase. This technical article discusses the many advantages of using bioprotection agents.
By Sara Windholtz & other authors · 8 min read
Vergelegen innovates with new Cabernet Sauvignon plantings and trellis system
Vergelegen Wine Estate in Somerset West is making strategic investments in new Cabernet Sauvignon plantings, and experimenting with an alternative trellis system, as part of its ongoing commitment to expressing its unique terroir. This initiative also supports the renowned estate's focus on…
By SA Wine Industry · 4 min read
