Chapter 9


(book excerpts)

Mashing involves mixing milled malt and solid adjuncts (if used) with water at a set temperature and volume to continue the biochemical changes initiated during the malting process. The malt and adjunct particles swell, starches gelatinize, soluble materials dissolve, and enzymes actively convert the starches to fermentable sugars. The end result is wort with a fixed gravity (OG), a set ratio of fermentable and non-fermentable sugars, and proteins (soluble and non soluble) that affect physical and biochemical changes during fermentation. The composition of the wort will vary according to the style of beer.

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