Results for “pH”

Minimising volatile phenols in wine

PHOTO: Julian Sullivan.

By Heinrich du Plessis and Co-workers · 6 min read

The phenolic compounds of white wines

Phenols can cause the browning of white wines.

By Charl Theron · 4 min read

Q&A with Matija Lesković (PhD)

Originally from Croatia, Matija Lesković (PhD) is an Oenologist who completed his doctorate at Stellenbosch University in 2024 with his thesis, “Varietal thiols and ‘reductive’ compounds in white wine.”

By SA Wine Industry · 6 min read

Q&A with Ms Phyllis Burger

Phyllis Burger currently leads the grape breeding group in the Crop Development Division at ARC Infruitec-Nietvoorbij, which includes managing grape breeding projects and the grapevine gene bank.

By SA Wine Industry · 4 min read

A story of taste, colour and phenolics

Phenolic compounds are abundant in the plant kingdom. They are derived from phenol, which is the basic structure of all phenolic constituents and when containing one or more phenolic rings, they are generally referred to as polyphenols. These phenolic compounds play an essential role in the…

By Remi Schneider, Michel Moutounet and Elda Binneman · 7 min read

Vineyard row orientation (Part 3) - canopy physiology

Canopy physiological changes of differently orientated vertically trellised Shiraz grapevines (NS, EW, NE-SW and NW-SE rows) were investigated.

By Kobus Hunter & Neels Volschenk · 8 min read

Making wine in Cape Town's Philadelphia ward

Havana Hills overlooks Table Mountain and the Atlantic Seaboard from its perch atop one of the region’s smallest wards, Philadelphia. Piet Kleinhans recently took over the reins as winemaker.

By Johannes Richter · 3 min read

CELEBRATE #SAWineSince1659 ! | Phillip Retief [Van Loveren Vineyards]

Grape berry shrivelling - changes in physiology and quality

PHOTO 1. Different berry shrivelling stages within a Shiraz bunch.

By Doronae · 13 min read

Winners announced in Essence of Vergelegen photography competition

Vergelegen wine estate in Somerset West is delighted to announce the winners of its inaugural photography competition, which attracted over 500 entries from talented amateur and professional photographers, based in South Africa and overseas.

By SA Wine Industry · 2 min read

PhenoLAB can help you make better red wine

The aim of this project was to develop rapid, accessible phenolic analysis methods and to create a platform where results could be stored, visualised, and meaningfully compared with other red grape and wine samples.

· 7 min read

Accumulation of volatile phenol glycoconjugates in grapes after bushfires

PHOTO: Shutterstock.

By Karien O'Kennedy · 5 min read