Watch the full pressing and fermentation process in action. ... How to Press and Ferment Grapes for Wine — Full Process After Harvest! Posted: April 8, 2025 | Last updated: April 8, 2025.

First, let's catch everyone up to speed on whole cluster fermentation. After grapes are harvested, winemakers have to decide if they want to crush and ferment the entire grape clusters all together or ...

But so far, the microbes that ferment grapes have received little attention. Our new research explores how yeasts, bacteria and fungi may be affected by changes in temperature and rainfall.

All fermentation, for wine or beer, is the process of changing sugar into alcohol (technically ethanol or ethyl alcohol) and, as a by-product, carbon dioxide. The process has been going on for ...

The far-reaching consequences of climate change inevitably include the production of foods and beverages, including wine. In New Zealand, ...

If the grapes were not ripe enough to produce high enough alcohol levels, the winemaker might add sugar to the juice before fermentation begins. This is called capitalisation, which is not legal ...

Across the board, professionals agree that it takes an average of 1.25 to 1.50 kilograms (2.75 to 3.3 pounds) of grapes to make a standard-size bottle of still wine.