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Results for “grape temperature”
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287 results — page 1 of 24
Organic acids of MCC wines - a function of grape temperature prior to pressing
PHOTO: Shutterstock.
By Doronae · 7 min read
Grape flavan-3-ol evolution under altered light and temperature conditions in Cabernet Sauvignon (Part 1)
This study aimed to investigate flavan-3-ol biosynthesis under altered microclimatic conditions in Cabernet Sauvignon grown in the Stellenbosch Wine of Origin D
By Erna Blancquaert · 9 min read
Grape flavan-3-ol composition under altered light and temperature conditions in Cabernet Sauvignon (Part 2)
This study aimed to investigate flavan-3-ol composition under altered microclimatic conditions in Cabernet Sauvignon grown in the Stellenbosch Wine of Origin Di
By Erna Blancquaert · 6 min read
Grape flavan-3-ol and anthocyanin composition under altered light and temperature conditions in Cabernet Sauvignon (Part 3)
This study aimed to investigate flavan-3-ol and anthocyanin evolution and composition under altered microclimatic conditions in Cabernet Sauvignon grown in the
By Erna Blancquaert · 8 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
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
Sunscreen for Sauvignon blanc
Two research groups investigated the effect of kaolin application on Sauvignon blanc vines and its impact on the vine physiology and grapes produced.
By Carien Coetzee · 6 min read
Microbial monitoring and sanitation practices in wine cellars
Proper sanitation practices in wine cellars prevent the development of undesirable micro-organisms. Although the alcohol concentration of wines limits the micro
By Charl Theron · 7 min read
Crack down on counterfeiting
With its innovative products Guala Closures South Africa is leading the way when it comes to curbing counterfeiting.
By Wanda Augustyn · 4 min read
The myth of natural winemaking
A myth can be defined as a popular viewing of a natural process. If grapes are consequently left to ferment without any additives to form wine, it can be seen a
By Sandile · 4 min read
Traditional and alternative methods to monitor wine fermentations
The purpose of this article is to illustrate the potential contribution of infrared spectroscopy to the monitoring of wine fermentations.
By Hélène Nieuwoudt · 10 min read
Susceptibility of grapevine pruning wounds to trunk pathogen infection
Introduction
By Sandile · 8 min read
