(2) Beer is sensitive to light, so don't expose it to the sun or shake it violently to prevent the yeast in beer from being heated, turbid and precipitated.
(3) Oil pollution is the enemy of beer. Beer should be kept clean and not contaminated with oil pollution, because oil pollution will make hops disappear too quickly.
④ Bottled draft beer should not exceed 5 days, bottled draft beer should not exceed 65,438+05 days, and cooked beer should not exceed 45 days.
⑤ The leftover beer should be sealed to prevent the disappearance of carbon dioxide and affect the alcohol composition and concentration in the beer.