A bock beer brewed with dark roasted malt. See bock
.
Dark Mild
An English term for mildly hopped ales that are brewed with
roasted malt. Most are dark brown in color and full bodied, but
have a relatively low alcohol content.
Dark/Pale Double Bock
Dark: A double bock brewed with dark roasted malt. Pale: A
double bock brewed with malt that has been dried instead of
roasted. See double bock.
Decarbonate
To remove carbonate and bicarbonate ions from water, either by boiling
or by adding chemicals.
Decoction
A method of mashing that boosts the temerature from one step to the
next by removing a portion of the mash, boiling it, and returning it to the
main kettle.
Degrees of Extract
A measure of yield used by homebrewers; the specific gravity of one
gallon of wort made from one pound of malt.
Dextrins
Unfermentable sugars that yeast is unable to metabolize, that are
left in the beer. Dextrins are responsible for the body in the
finished beer.
Dextrinase
An amylolytic enzyme that breaks down the 1-6 bonds that hold dextrins
together.
The enzymatic process of degrading soluble starch molecules to
dextrin molecules.
Diacetyl
A powerful aromatic compound that imparts the flavor of butter or
butterscotch to beer.
Diastase
A collective term for all the amylase enzymes in malt.
Diastatic Power
A measure of the total amylase content of a given sample of malt; usually
expressed in degrees Lintner.
Diatomaceous Earth
The refined skeletons of ancient marine organisms, which are
frequently used as a filtration medium.
Dimethyl Sulfide/DMS
A powerful aromatic compound that imparts a sweet creamed-corn smell
to lager mashes. In finished beer it imparts a malty quality or, at higher
levels, the taste of cooked vegetables.
Dissociates
Ionizes.
Distillation
Removes all ions from water.
Dortmunder
A gold-colored, bottom-fermented beer from Dortmund,
Germany's largest brewing city.
A stronger bock beer, though not necessarily double the strength.
The original of the style was brewed by the Italian monks of the
order of St. Francis of Paula in Bavaria to help them though their
Lenten fast.
