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
Category: Period 5
Winegrape phenology & ripening dynamics
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 …
How well can Pinot Noir sustain drought conditions
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 …
Fruit Color Affects Wine Composition
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 …
Why berry sugar monitoring is not just for alcohol?
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, …
Harvest under dry climates: High Sugar vs. High Color.
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 …
Smoke flavors : it’s not only about volatile phenols
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 …
Smoke and Grape – the Smoke Taint Repercussions
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 …
Bioclimatic indices of the ripening period (2) : Thermal conditions at night
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 …
Daniel Baron – A Little Bit of Everything
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 …