Throughout European history, beer is well-deservedly one of the cornerstones of Western civilization, and beer even has its own Dionysus—Ninkasi. Beer is considered to be the drink of blue-collar workers in modern society, but in 1979, President Carter of the United States promulgated the Human Rights Act No. 1337, which legalized home brewing beer. Prices are on the rise too!

Oxygenation of cold wort seems to be a very simple process, but the control of the way and amount of oxygenation of wort has great influence on the normal fermentation of yeast, the smoothness of the production process, the quality stability and flavor characteristics of beer products. etc. are of vital importance. Improper oxygenation will definitely cause a series of changes in the fermentation process, and even lead to bad fermentation results and flavor defects.