ALL ABOUT MALT: the backbone of your beer

Malt is often the most mysterious ingredient for a beginner brewer. Yet it provides the essential sugar for fermentation, defines the color of your beer, and shapes its body. Whether it’s barley, wheat or rye, discover why malt is truly the backbone of your brew.

What is malting? The transformation of the grain

Unlike wine, where grape sugar is ready to use, cereals store their energy as starch (complex sugars). Yeast cannot consume these “big chunks”. Malting is the step where the maltster awakens the grain to make this sugar accessible to the brewer.

• Germination: The grain is soaked so it “believes” it will sprout. This activates the enzymes.
• Drying: The maltster stops growth at the perfect moment by heating the grain.
• The result: A fragile grain, full of starch ready to be converted, and loaded with enzymes.

Did you know? Without malting, brewing with raw barley is a challenge for both your teeth and your equipment. Try biting into a raw grain: it’s hard as stone. A malted grain, however, is brittle and crunchy.

Why is barley the queen of the mash tun?

Although any cereal can be malted, barley has been the favorite since Sumerian times for two major technical reasons:

1. A natural filter: Barley husk is rigid. During lautering, it forms a natural filter bed at the bottom of the tun, allowing clean separation of the liquid (wort) from the solids (spent grain).
2. Clarity: Lower in protein than wheat, barley produces clearer beers and greatly simplifies filtration.

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The brewer’s palette: The different types of malt

Like a chef in the kitchen, the brewer blends different malts to build their recipe. They are generally grouped into three main families:

1. Base Malts (Pilsner, Pale Ale...)

They make up 80 to 100% of your recipe. They provide most of the sugar and the enzymatic power needed for saccharification. Without them, fermentation is impossible!

2. Specialty & Roasted Malts

Here, everything is about heat. The more the maltster roasts the grain, the more complex the aromas become:

• Amber & Brown Malts: Notes of toasted bread, biscuit or hazelnut.
• Roasted Malts (Chocolate, Black): Roasted like coffee, they bring black color and cocoa or burnt notes.

3. Caramel (Crystal) Malts

These malts undergo moist heating that transforms starch into caramel inside the grain (Maillard reaction). They add body, roundness and unfermentable sugars that soften bitterness, especially in IPAs.

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