johncrobinson
Landlord.
Some people do make sparkling wine under pressure of about 100psi but it needs strong stainless steel tanks.At these pressures co2 reacts with ethanol to produce ethyl pyrocarbonate which breaks down when the pressure is released giving a long lasting sparkle.
High pressure fermentation was also used in hot countries to slow fermentation down and prevent off flavours.These days using a cooling plant is probs cheaper.
High pressure fermentation was also used in hot countries to slow fermentation down and prevent off flavours.These days using a cooling plant is probs cheaper.