1. Create beer "yeast taste"After the yeast autolysis, a big quantity of intracellular compounds get in the beer, that makes the beer create "yeast taste". Its representative level is ethyl decanoate, as well as when the material goes beyond 1.5 × 10-6 (1.5 ppm), it can make individuals really feel

I cannot be the only one who has wondered about the origin of the word beer. Sipping on the smooth and frothy drink in my hand, I started to ponder. While I was sitting at a bar with friends, pre-gaming before a concert, suddenly the subject came up in conversation. Why is beer called beer? None of

Indirect cooling method: the refrigerant is a mixture of ethanol or glycol and water, it is cooled in the evaporator box of the ammonia refrigerator, the temperature is generally controlled at around -5°C, the refrigerant flows in from below and out from above.Direct cooling method: The refrigerant