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Results for “wine composition”
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249 results — page 1 of 21
Sparkling wine (Part 3): Phenolic composition of traditional style sparkling wine
PHOTO: Anthony Delanoix (Unsplash).
By Mpho Mafata, Astrid Buica, Wessel du Toit and Francois van Jaarsveld · 3 min read
Trellis effects on wine composition (Part 1): Background
Trellising systems are driving the mechanisms that alter canopy microclimates, consequently affecting yield and quality of grapes.
By Astrid Buica, Valeria Panzeri & Hilaria Iipinge · 7 min read
Trellis effects on wine composition (Part 2): Aroma
Yield is a primary objective in the industry and can be maximised by trellising systems. Besides yield per vine, synthesis and further evolution of chemical com
By Astrid Buica, Valeria Panzeri & Hilaria Iipinge · 6 min read
Hydrogen sulphide formation in canned wines - the role of liners and wine composition
A recent study investigated the role of different can internal coatings (liners), as well as wine composition in hydrogen sulphide formation to better understand the mechanisms involved in the occurrence of the stinky aroma over time.
By Carien Coetzee · 5 min read
Trellis effects on wine composition (Part 3): Taste and mouthfeel
Can trellis affect the taste and mouthfeel of wines?
By Astrid Buica, Valeria Panzeri & Hilaria Iipinge · 6 min read
Impact of grapevine leafroll disease on grape and wine composition
Grapevine leafroll disease (GLD) is the most common grapevine disease, which is present in grape-growing regions globally.
By Erna Blancquaert & Wessel du Toit · 8 min read
Seeds and red wine phenolics (Part 2): Influence of seed number on phenolic levels in red wines
This study set out to explore how different seed levels influence the phenolic composition of Merlot and Shiraz wines.
By Wessel du Toit, Asiphe Makalisa & José Luis Aleixandre-Tudo · 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
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
Bubble trouble: How premium is that box, really?
Local wine drinkers’ love affair with premium bag-in-box (BiB) wine is rapidly gathering momentum. Yet, new research reveals how the bag’s inherent headspace – or air bubble – could affect sensory and aromatic composition, and potentially smother the baby in its crib.
By Anton Pretorius · 6 min read
High altitude vineyards
This article takes a look at how climate change affects grapevines and explores the advantages and challenges of managing vineyards located at high altitude sites.
By Lucinda Heyns · 8 min read
Effect of light exposure on bottled Sauvignon blanc wine
A recent study aimed to investigate the effect of light exposure on the chemical composition and sensory perception of a bottled Sauvignon blanc wine.
By Carien Coetzee · 6 min read
