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Imperial Stout

Jun 222013

Alcohol by Volume (ABV): 10%
Brewed By Peace Tree Brewing Co.
107 W Main St
Knoxville (IA)
Iowa
USA
North America
(641) 842-2739
www.peacetreebrewing.com

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Aroma
Appearance
Flavor
Mouthfeel
Stylistic Accuracy
Overall Impression
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American-Style Imperial Stout Traits

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Beer Style Description

Black in color. American-style imperial stouts typically have a high alcohol content. Generally characterized as very robust. The extremely rich malty flavor and aroma are balanced with assertive hopping and fruity-ester characteristics. Bitterness should be moderately high to very high and balanced with full sweet malt character . Roasted malt astringency and bitterness can be moderately perceived but should not overwhelm the overall character. Hop aroma is usually moderately-high to overwhelmingly Hop-floral, -citrus or -herbal. Diacetyl (butterscotch) levels should be absent.

Alcohol By Volume Range

7-12

IBU's Range

50-80

Aroma

Rich and complex, with variable amounts of roasted grains, maltiness, fruity esters, hops, and alcohol. The roasted malt character can take on coffee, dark chocolate, or slightly burnt tones and can be light to moderately strong. The malt aroma can be subtle to rich and barley wine-like, depending on the gravity and grain bill. May optionally show a slight specialty malt character (e.g., caramel), but this should only add complexity and not dominate. Fruity esters may be low to moderately strong, and may take on a complex, dark fruit (e.g., plums, prunes, raisins) character. Hop aroma can be very low to quite aggressive, and may contain any hop variety. An alcohol character may be present, but shouldn’t be sharp, hot or solventy. Aged versions may have a slight vinous or port-like quality, but shouldn’t be sour. No diacetyl. The balance can vary with any of the aroma elements taking center stage. Not all possible aromas described need be present; many interpretations are possible. Aging affects the intensity, balance and smoothness of aromatics.

Appearance

Color may range from very dark reddish-brown to jet black. Opaque. Deep tan to dark brown head. Generally has a well-formed head, although head retention may be low to moderate. High alcohol and viscosity may be visible in “legs” when beer is swirled in a glass.

Flavor

Rich, deep, complex and frequently quite intense with variable amounts of roasted malt/grains, maltiness, fruity esters, hop bitterness, flavor, and alcohol. Medium to aggressively high bitterness. Medium-low to high hop flavor (any variety). Moderate to aggressively high roasted malt/grain flavors can suggest bittersweet or unsweetened chocolate, cocoa, and/or strong coffee. A slightly burnt grain, burnt currant or tarry character may be evident. Fruity esters may be low to intense and can take on a dark fruit character (raisins, plums, or prunes). Malt backbone can be balanced and supportive to rich and barley wine-like, and may optionally show some supporting caramel, bready or toasty flavors. Alcohol strength should be evident, but not hot, sharp or solventy. No diacetyl. The palate and finish can vary from relatively dry to moderately sweet, usually with some lingering roastiness, hop bitterness and warming character. The balance and intensity of flavors can be affected by aging with some flavors becoming more subdued over time with some aged, vinous or port-like qualities developing.

Mouthfeel

Full to very full-bodied and chewy, with a velvety, luscious texture (although the body may decline with long conditioning). Gentle smooth warmth from alcohol should be present and noticeable. Should not be syrupy and under-attenuated. Carbonation may be low to moderate, depending on age and conditioning.