We are wrapping up the summary of the 2017 Vintage report with the last session focussing on Phenolic extraction presented by Federico Casassa. Overview of …
Phenolic Extraction by Federico Casassa

We are wrapping up the summary of the 2017 Vintage report with the last session focussing on Phenolic extraction presented by Federico Casassa. Overview of …
Continuing with the 2017 Napa Vintage Report presentation summaries, today’s article is focused on winegrape phenology with Elizabeth M. Wolkovich, and ripening dynamics with Nicolas Bernard. Modeling the future …
The goal of the swiss study presented by Dr Zufferey was to investigate the impact of water stress on vine hydraulics, berry composition and wine …
What is the relationship between fruit color and wine color concentration? A strong, positive relationship exists between anthocyanin (i.e. color) concentration in grape and in wine …
In this blog we discuss why berry sugar monitoring is important beyond sugar concentration. Changes in sugar accumulation reflect other chemical changes As berries accumulate sugars, …
In this blog we discuss why adapting harvest date to a warming environment is challenging …and why you may not have to trade off sugar concentration to …
More technical questions regarding volatile phenols management have been asked as the last grapes from 2017 get harvested in Northern California. In this blog post …
We received a large number of requests asking for practical information and scientific articles on making wine with smoke tainted grapes. Considering the devastation caused by northern California fires, we decided …
The Cool Night Index The Cool Night Index was created to study nocturnal conditions of grapes ripening according to the different wine-making regions (Tonietto, 1999 …
As the 2017 vintage winds down, I have been thinking about the inclination of the human brain to simplify and generalize. I have noticed this …