1. Preparatory Stage: Equipment Cleaning And Trial OperationBefore each brew, the operation of the equipment must be checked to ensure good production. Make sure the cooling water temperature is between -4°C and -6°C. Cleaning process before equipment use:A. Caustic soda water cleaning (85% 1.5% -3%

1. Raw materials and auxiliary productsMalt: It is best to use malt with a protein content of 9% to 12%. Its high-molecular protein can decompose products to facilitate foaming, but it will also increase the possibility of beer turbidity.Yeast: It is feasible to use yeast with short fresh-keeping ti

Hop utilization is the percentage of alpha acids that is isomerized and remains in the finished beer. The utilization of the bitter substances rarely exceeds 40% in commercial breweries and is often as low as 25% (31).