Closure-derived oxygen and OTR

Closure-derived oxygen and OTR

A research summary Dr. Carien Coetzee Basic Wine 16 August 2019 In a previous blog post, we reported on a study where researchers investigated the effect of copper and glutathione addition, prior to bottling, on the evolution of key aroma compounds such as 3MH (fruity...
Minerality in Sauvignon Blanc – Part 4

Minerality in Sauvignon Blanc – Part 4

Salinity – the cousin of Minerality Dr. Carien Coetzee Basic Wine 16 July 2019 In a previous blog post, the possible contribution of salt to the perception of minerality in wine was contemplated. After investigation, it seems that this topic has, in fact, barely...
Minerality in Sauvignon Blanc – Part 3

Minerality in Sauvignon Blanc – Part 3

The romantic notion of soil minerals in wine…unromantically disproven Dr. Carien Coetzee Basic Wine 19 June 2019 Unlike virtually all other sensory attributes used to describe a wine, the word, “mineral”, is often taken to have a literal origin. Tasters...
Increasing Sauvignon blanc aroma with H2S!

Increasing Sauvignon blanc aroma with H2S!

Karien O’Kennedy Winetech Sounds like an April Fool’s joke doesn’t it? It is in fact no joke, it’s serious stuff. In fact, so serious that Pernod Ricard France applied for a patent in the USA that has since been granted. The application abstract states the following:...