Beverage container with means for frothing the beverage and method of frothing the beverage

摘要

The invention is directed to a system for the controlled enhancement of release of gas bubbles from beverages, said system comprising a microporous membrane having pores of 20 to 100 µm in diameter at distances from each other ranging from 2.5 to 15 times the diameter of the pores, the outher surface of the membrane being substantially hydrophylic when in contact with the beverage and the walls of the pores being hydrophobic.