Light Strike – Part 2

Light Strike – Part 2

Dr. Carien CoetzeeBasic Wine29 August 2021   Light-Strike occurs when riboflavin (naturally occurring in wine) is elevated to an excited state due to light exposure leading to the oxidation of amino acids which may in-turn lead to the development of particularly...
Light Strike – Part 1

Light Strike – Part 1

Dr. Carien CoetzeeBasic Wine29 August 2021   Exposure to light can potentially induce major changes to a wine’s composition. This effect mainly occurs in bottled white and rosé wines exposed to light1 and is commonly referred to as the “light-struck taste”,...
The influence of bottle colour and light on Sauvignon Blanc

The influence of bottle colour and light on Sauvignon Blanc

Dr. Carien CoetzeeBasic Wine30 July 2020 Producers often choose a bottle colour to increase marketability and brand name recognition. However, the colour of the glass is also important when it comes to protecting the quality and integrity of the wines. Bottled wines...