1. Specific features of the wine industry

1.1 Wine composition

Wine filtration goes back to the very origins of wine. The presence of cloudiness or a deposit at the bottom of the bottle is perceived by most consumers as a defect and a deterioration of the product. Over the centuries, filtration methods have evolved steadily, from various fabrics and the first industrial filters in the 18th century, to alluvial filters, filtration plates and membranes.

Wine is a fermented beverage made from fresh grapes. Sweet juice is extracted from the grape (mainly pulp and skin), and by diffusion and maceration, phenolic compounds, aroma markers and their precursors, organic acids, anions, cations, nitrogen compounds... are obtained.

Wines are appreciated...

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Specific features of the wine industry

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page Membrane applications in the wine industry

Crossflow microfiltration in oenology

Regulations

Oenological practices and treatments are defined by European regulations governing the organization of the common market in wine. They are regularly updated at the request of industry professionals.

The Direction Générale de la Concurrence de la Consommation et de la Répression des Fraudes (DGCCRF, Ministry of Finance) is responsible for implementing and monitoring regulations concerning additives...