Winemaking Technique
Reverse Osmosis
Stabilization & Finishing
Reverse osmosis filters wine through membranes to remove water, alcohol, or volatile acidity depending on configuration — a corrective tool for challenging vintages. Its use is regulated and often undisclosed on labels.
Also known as: RO, Membrane concentration
Purpose
Adjust alcohol, water content, or correct faults via membrane filtration.
Process stage
Finishing
How it works
- Alcohol reduction
- Fault correction
- Concentration
Common wine styles
Common grape varieties
Common regions
Descriptors created
Descriptors reduced
Opposite techniques
Serving implications
Beginner explanation
RO is a technical adjustment tool — legal in many regions but rarely advertised.
Related ontology entities
- Cabernet Sauvignon Wine Style
- Chardonnay Wine Style
- Zinfandel Wine Style
- Napa Valley Wine Region
- Mendoza Wine Region
- Australia Wine Region
- Chile Wine Region
- Concentrated Descriptor
- Ripe Descriptor
- Cabernet Sauvignon Grape Variety
- Chardonnay Grape Variety
- Room Temperature Serving