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Fig. 3.12 Patterns of formation of important groups of flavour active yeast metabolites during the course of a high-gravity (1060) lager fermentation. The fermentation conditions were as described in Fig. 3.9. Apart from present gravity, scales are arbitrary. (PG, present gravity; esters, the sum of ethyl acetate, and isoamyl acetate; higher alcohols; the sum of propanol, butanol, 3-methylbutanol and 2-methylbutanol; FAN, free amino nitrogen; VDK, free diacetyl plus a-acetolactate).

Brew Your Own Beer

Brew Your Own Beer

Discover How To Become Your Own Brew Master, With Brew Your Own Beer. It takes more than a recipe to make a great beer. Just using the right ingredients doesn't mean your beer will taste like it was meant to. Most of the time it’s the way a beer is made and served that makes it either an exceptional beer or one that gets dumped into the nearest flower pot.

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