A lot should be considered when you plan to find your beer machines like brew tech,beer machinery configuration,beer machinery cost and price,find a location for beer machine, license and regulation of beer machinery. This article column is specially to answer some common question during brewing.
What is the reason for the dark color of light malt? How to solve it?
Light color malt has deep chroma, the reasons are as follows.
① Malt root removal is not clean, because the root bud can deepen the color of beer.
② Malt contains a lot of husks, and beer is easier to be darker.
③ The degree of washing wheat and alkaline impregnation is not enough and uneven, which makes the extraction of pigment in husk not meet the requirements, especially in thick hulled barley.
④ High soaking degree, high germination temperature and long withering time lead to the formation of a large amount of melanin during baking.
⑤ If the dehydration rate is too slow and the moisture content is too high when baking, the melanin like reaction results in the formation of a large amount of pigment substances.
⑥ The calcining temperature is high and the color is easy to be dark.
There are several ways to solve the problem.
① The process operation of wheat washing, soaking, germination and drying should be controlled to make the soaking degree, germination temperature, withering time, dehydration speed and baking temperature meet the process requirements, reduce the formation of pigment substances and control the quality of raw materials.
② Through the control of process conditions and improvement of equipment conditions, the control of process parameters in each stage was strengthened to reduce the pigment substances in wheat husk and the pigment substances formed after baking.
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