Thiol-forming yeasts – it’s all in the genes

Thiol-forming yeasts – it’s all in the genes

Dr. Carien CoetzeeBasic Wine6 December 2022   Yeast strains differ significantly in their ability to release thiols from the conjugated precursors and transform 3MH into 3MHA1. Studies have shown that specific genes are involved in releasing aromatic thiols and...
How polyphenols can influence the aroma of Sauvignon blanc wines

How polyphenols can influence the aroma of Sauvignon blanc wines

Dr. Carien Coetzee Basic Wine 31 August 2022   Wines contain thousands of molecules, some volatile (aromatic) and some non-volatile (non-aromatic). Research often focuses on the interactive effects of aromatic molecules and their impact on the overall sensorial...
Nutriferm X – Frequently Asked Questions

Nutriferm X – Frequently Asked Questions

Dr. Carien CoetzeeBasic Wine9 December  2021   Nutriferm X is certainly taking the wine industry by storm. We asked Lida Malandra from Enartis South Africa a couple of Frequently Asked Questions regarding the innovative yeast nutrient.   What is Nutriferm X?...
The beauty of “blackcurrant” aroma

The beauty of “blackcurrant” aroma

Dr. Carien CoetzeeBasic Wine30 October 2021   4-Mercapto-4-methyl-pentan-2-one (4MMP) is one of three main sulphur-containing compounds often found in Sauvignon blanc wines. The aroma of 4MMP is traditionally described as ‘blackcurrant’ and ‘box-tree’, with ‘cat...