Patent ID: 7160563

Claim:
A method for preparing a beer from a beer wort, said method comprising the steps of cooking, boiling, and fermenting said beer wort as for a pils-type beer, wherein said method further comprises, in contrast to a pils-type beer, a step of adding amidated pectin to the wort, prior to the cooling the wort, or to the beer and a step of centrifuging the wort, said pectin adding step comprising adding amidated pectin in a proportion of between 5 mg/l and 2000 mg/l of wort or of beer in order to inhibit coagulation and precipitation of proteins, said pectin adding step and said centrifuging step being conducted so as to obtain at least one of a persistent irreversible haze in the beer which remains at a temperature of 15° C. and a reversible haze in the beer which remains at a temperature below 12° C. and disappears at 15° C., said persistent irreversible haze and said reversible haze each having predetermined characteristics in terms of intensity and persistence during storage.