varietal thiols

Know thy enemy: oxygen or storage temperature?

It is well known that high oxygen levels and high ageing temperatures are detrimental to white wine’s composition and ageing capacity. However, these results, though valuable, have often been obtained under extreme temperatures of oxygen levels that wine will...

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The effect of PVPP treatment on rosé during fermentation

The aim of the study was to evaluate the effect of PVPP on colour, polyphenol and volatile thiol content during rosé fermentation. Project layout: Blends from Grenache noir and Merlot free run juice in two different ratios were used. The juice was fermented with 20...

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