Flash release (oenology)
Encyclopedia
Flash release is a technique used in wine press
ing. The technique allows for a better extraction of phenolic compounds and wine polysaccharides.
The treatment consists of heating the grapes at 95 °C (203 °F) for several minutes with vapour and then submitting them to a strong vacuum
.
The technique can be applied to other type of juice extraction.
Wine press
A wine press is a device used to extract juice from crushed grapes during wine making. There are a number of different styles of presses that are used by wine makers but their overall functionality is the same. Each style of press exerts controlled pressure in order to free the juice from the fruit...
ing. The technique allows for a better extraction of phenolic compounds and wine polysaccharides.
The treatment consists of heating the grapes at 95 °C (203 °F) for several minutes with vapour and then submitting them to a strong vacuum
Vacuum
In everyday usage, vacuum is a volume of space that is essentially empty of matter, such that its gaseous pressure is much less than atmospheric pressure. The word comes from the Latin term for "empty". A perfect vacuum would be one with no particles in it at all, which is impossible to achieve in...
.
The technique can be applied to other type of juice extraction.