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[自然百科] 2014-11-08 啤酒是如何酿成的—11

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[Homework]2014-11-08 啤酒是如何酿成的—11

And Doctor Banford would know, he runs one of only two brewing programs in the US at the university of California at Davos where students can actually earn a master's degree in the art of brewing.
Science is incredibly important in the brewing of beer, particularly in trying to strive to create a consistent product.
Every aspect of beer is studied, from the color to the taste, right down to the consistency of the foam, and why are they so interested in foam? technically it doesn't change or even add to the flavor of beer, but that doesn't seem to matter, because in the world of beer, good foam is good business.
Currently i work on beer foam, so i look at what kills a good beer foam, how to make a good foam more stable, the machine that we use to test it basically turns the beer all into foam and then measures the rate of collapse of that foam.
Foam forms because of dissolved carbon dioxide gas that occurs as a result of the fermentation process.
Foam is kind of complicated depends on how you pour it and how stable it is, and depends on how long you leave it, because if you take a lot of sips then the foam texture will change, it will lace inside the beer glass and so on, to me you put a beer in the glass you want foam, you haven't tasted it, you haven't smelled it, but you are looking at it, first impressions are everything.

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