摘要: Abstract Brewing was one of the earliest processes to be undertaken on a commercial scale and consequently, it became first biological process develop from craft into technology. Although production beer is relatively simple process, finished product unstable when in its final package: bottle, can, or keg. As well as being susceptible microbial infection, nonbiological instability (physical haze, flavor, foam, gushing, light) involves number complex reactions with proteins, carbohydrates, polyphenols, metal ions, oxygen, thiols, carbonyls, temperature. our understanding these has progressed significantly 1975 2015, we are still far complete comprehension instability/stability reaction systems.