Adjuncts are unmalted grains, sugars, clarifying
agents, spices, water treatments or any other ingredients used
in creating a beer. Below is a list of the most commonly used
brewing adjuncts and their effects on beer:
-
Amylase Enzyme - One of the diastatic
enzymes used to allow better starch conversion when using
low-enzyme malts. Adds light, dry characteristic to beer.
-
Ascorbic Acid - Reduces oxidation.
Overuse will lend citrusy flavors to the beer.
-
Candi Sugar - Crystallized sugar used
in Belgian brewing that lends a unique flavor and aroma.
-
Cane/Beet Sugar - Also known as table
sugar, primarily used to raise gravity and lighten body.
-
Caramel - Used to darken beer and
lend a slight caramel flavor.
-
Citric Acid - Used to decrease haze
in the beer and balance pH.
-
Corn Sugar - Also referred to as
"brewer's sugar," the most fermentable and commonly used
adjunct. Often used instead of the more expensive barley
malts, and usually used for priming. Increases alcohol level
without increasing body.
-
Demerara - Aromatic and softly
flavored brown sugar commonly used in English ales.
-
Fermax - A yeast nutrient for
low-malt beers.
-
Gelatin - Colorless, tasteless
clarifying agent added before bottling.
-
Flaked Barley - Unmalted barley added
right to the mash of bitter, milds, porters and stouts to
add a rich, grainy taste and increased head retention,
creaminess and body. Color is 1-3 SRM.
-
Flaked Corn (Flaked Maize) - Provides
depth of character to lighter beers. Increases alcohol but
not flavor, color or body. Color is 0-1 SRM.
-
Flaked Oats - Adds a distinct
full-bodied flavor and "chewy" texture in oatmeal stouts and
Belgian ales. 1-3 SRM.
-
Flaked Rice - Adjunct used by
commercial brewers as a cheap source of fermentables,
neutral flavor and body lighteners.
-
Flaked Rye - Lends a crisp, dry
character and a strong, unique flavor inappropriate in most
beer styles. Color is 1-3 SRM.
-
Flaked Wheat - Increases head
retention and body. Color is 1-3 SRM.
-
Fruit Extract - Used to lend fruit
flavor to finished beer.
-
Glucose - The British term for corn
sugar.
-
Heading Agents - Helps develop and
retain creamy head.
-
Invert Sugar - A highly fermentable
brewing/priming sugar popular in Belgian brewing for adding
alcoholic strength without body. Not generally available to
homebrewers, so corn sugar is recommended as a substitute.
-
Irish Moss - Dried seaweed added in
the final 15 minutes of the boil which coagulates loose
particles in the wort, enabling them to precipitate and be
left behind when the cooled wort is siphoned from the brew
kettle to the primary fermenter. Use 1 teaspoon per 5
gallons of wort.
-
Isinglass - Fining agent made from
the linings of fish swim bladders.
-
Lactose (Milk Sugar) - Used to lend
sweetness in stouts and porters.
-
Oak Chips - Flavoring additive used
to simulate the spiciness gained from oak cask conditioning
in India pale ales and Belgian ales. Must be sanitized
before use by steaming or baking in a 350º oven for 30
minutes or boiling in one cup of water for 5 minutes.
-
Polyclar - A plastic powder that
prevents chill-haze and oxidation.
-
Water Treatments - Listed and
described above.