Container containing a gassed acidulated beverage capable of producing a foam when the container is opened and the beverage poured. The beverage contains an additive which reduces the rate of release of the gas from the beverage when the container has been opened, without the beverage being poured. The additive has one or more of the following: an HLB value in the range 7-16 a molecular weight in the range 200-3000 and it is present in an amount of from 0.01 to 100 mg/l.
