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Grains
Colour ratings (°L) are approximate. Every effort has been taken to ensure their accuracy, but malt batches vary.
PALE MALTS
dried completely after malting, then kilned at relatively low temperature
base malt for brewing all-grain beers: must be mashed
high in enzymes (6-row higher than 2-row, North American 2-row higher than European 2-row)
In beers with little specialty malt, European grains provide more complex palate and rounder flavour—very useful when trying to duplicate European styles
all varieties are well modified
6-Row ; 1.8°L
higher in enzymes than 2-row, making it useful with low-enzyme adjuncts; intended for high-adjunct American beers
grainy flavour, rather than malty
more husk than 2-row, so could be better for mashing with huskless grain (like wheat)
high in protein, which can lead to increased trub as well as haze problems in finished beer
many brewers feel 2-row is mellower
2-Row; 2°L
good 'all-purpose' malt for brewing in a variety of styles
WHEAT MALTS
huskless, so must be mashed with properly milled barley malt to avoid stuck run-off; a sparging aid such as oat hulls (see section 9, below) may be advisable
grainy flavour; lighter flavour than barley malt
more enzymes than barley malt, but slower to convert
some beer styles (weizen, weiss, &c.) are made with large amounts of wheat malt (30–70%)
high in protein, so beer with high percentage of wheat is likely to have a haze
when used in small amounts (3–5 %), assists with head formation & retention
mashing produces fermentables, but extract brewers can steep for flavour & aroma
Wheat; 2.5°L
darker colour & heavier flavour than continental wheat malt; ideal for North American wheat beers
less modified than continental wheat
HIGH-KILNED MALTS
similar production to pale malts, but kilned at higher temperatures, giving deeper colour and more intense flavours & aromas
retain sufficient enzymes to convert themselves but no adjuncts
most can be used as malt in a recipe
when used in conjunction with pale malt, even small quantities (10%) will increase flavour & complexity
mashing produces fermentables, but extract brewers can steep for flavour & aroma
Munich; 6–6.6ºL
higher diastatic power than US Munich (below), making it more suitable than US Munich for the production of beers that use large amounts of Munich malt (85% or more)
gives deep colour and rich, full malt character
use: Munich & Vienna lagers, bock (essential)
CRYSTAL MALTS
produced by kilning damp, freshly malted barley at relatively high temperatures; during this process the starches first convert to sugars and then caramelize
no diastatic power
extensive colour range
contributes variety of flavours (see below), increases body, improves head formation & retention
no mashing required; ideal for extract brewers
Crystal, medium (Hugh Baird—UK); 60°L
a good choice if you don't know which crystal malt to use
contributes medium caramel flavour & colour, increased sweetness, some toffee character
ROASTED MALTS AND GRAINS
produced by roasting pale malt (except roast barley, which is unmalted)
no diastatic power
in pale beers, darker varieties can be used in small quantities (25–50 grams / 23 litres) to give hint of brown/red to beer and to increase complexity of background flavours
no mashing required; ideal for extract brewers
Roast barley; 300°L
because it is unmalted, has a dry, sharp, bitter flavour with no sweetness
distinct black colour, rather than brown-red of chocolate and black malts
essential in stout; small amount ok in porter
Chocolate; 475°L
gives dark beers smooth, toasted, nutty flavour; possesses some sweetness
has a redder colour than other dark-roasted malts
essential in porter, brown ale, mild; ok in stout
Black, aka black patent; 525°L
intense carbonized, burnt caramel, biscuity, woody flavour; intense aroma
can be used in porter, stout
best used for colour, rather than flavour, in amounts of 1 to 3%
ADJUNCT GRAINS
Flaked maize, aka flaked corn; 0.5°L
grainy sweetness
source of fermentable sugars, but contributes little flavour, colour, or aroma; must be mashed
used in large amounts to lighten the body and flavour in some beer styles (mainly North American lager)
nitrogen diluent, so use of even small quantities will help prevent chill haze
Flaked rice; 0.5°L
neutral flavour: allows malt flavour to come through while giving beer crisp, dry character
source of fermentable sugars, but contributes little if any flavour, colour, or aroma; must be mashed
used in large amounts to lighten the body and flavour in some beer styles (mainly North American lager)
Flaked barley; 2.2°L
smooth, grainy flavour contributes little flavour, colour, or aroma
can be steeped for use in extract brews
produces tight, long-lasting head, increases body
may produce chill haze, so usually only used in darker beers (especially stout)
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