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Results for “yeast nitrogen demand”
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Amino acids in South African grape musts (Part 1): Composition and profiles
PHOTO: Francois Viljoen.
By Astrid Buica, Gabriella Petrovic and Jose-Luis Aleixandre-Tudo · 7 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
YAN survey of South African grape musts (Part 2) - the role of YAN supplementation
PHOTO: Melanie Uys.
By Gabriella Petrovic and Astrid Buica · 10 min read
Factors that affect alcoholic fermentation
The alcoholic fermentation of grape juice is affected by the yeast strain, sugar concentration, alcohol concentration, fermentation temperature, presence of oxygen, concentration of assimilable nitrogen, vitamins and minerals, survival factors, preservatives, carbon dioxide and volatile acidity.
By Charl Theron · 7 min read
