Kolsch ()
Style Characteristics | | SRM Range: | 4 - 5 | | | IBU Range: | 18 - 30 | | | OG Range: | 1.044 - 1.05 | | | FG Range: | 1.007 - 1.011 | | | ABV Range: | 4.4% - 5.2% | |
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Impression:
A clean, crisp, delicately-balanced beer usually with a very subtle fruit and hop character. Subdued maltiness throughout leads into a pleasantly well-attenuated and refreshing finish. Freshness makes a huge difference with this beer, as the delicate character can fade quickly with age. Brilliant clarity is characteristic.
Style History:
Cologne, Germany (Koln) has a top-fermenting brewing tradition since the Middle Ages, but developed the beer now known as Kolsch in the late 1800s to combat encroaching bottom-fermented pale lagers. Kolsch is an appellation protected by the *Kolsch Konvention *(1986), and is restricted to the 20 or so breweries in and around Koln. The *Konvention* simply defines the beer as a "light, highly attenuated, hop-accentuated, clear, top-fermenting *Vollbier*."
Flavor:
Soft, rounded palate comprised of a delicate flavor balance between soft yet attenuated malt, an almost imperceptible fruity sweetness from fermentation, and a medium-low to medium bitterness with a delicate dryness and slight crispness in the finish (but no harsh aftertaste). The malt tends to be grainy-sweet, possibly with a very light bready or honey quality. The hop flavor is variable, and can range from low to moderately-high; most are medium-low to medium intensity and have a floral, spicy, or herbal character. May have a malty-sweet impression at the start, but this is not required. No noticeable residual sweetness. May have a slightly winy, minerally, or sulfury accent that accentuates the dryness and flavor balance. A slight wheat taste is rare but not a fault. Otherwise, very clean.
Aroma:
Low to very low malt aroma, with a grainy-sweet character. A pleasant, subtle fruit aroma from fermentation (apple, cherry or pear) is acceptable, but not always present. A low floral, spicy or herbal hop aroma is optional but not out of style. Some yeast strains may give a slight winy or sulfury character (this characteristic is also optional, but not a fault). Overall, the intensity of aromatics is fairly subtle but generally balanced, clean, and fresh.
Appearance:
Very pale gold to light gold. Very clear (authentic commercial versions are filtered to a brilliant clarity). Has a delicate white head that may not persist.
Comments:
Characterized in Germany as a top-fermented, lagered beer. Each Koln brewery produces a beer of different character, and each interprets the *Kolsch Konvention* slightly differently. Allow for a range of variation within the style when judging. Note that drier versions may seem hoppier or more bitter than the IBU specifications might suggest. Due to its delicate flavor profile, Kolsch tends to have a relatively short shelf-life; older examples and imports can easily show some oxidation defects. Served in Koln in a tall, narrow 200ml glass called a *Stange*.
Ingredients:
Traditional German hops (Hallertau, Tettnang, Spalt or Hersbrucker). German Pils or pale malt. Attenuative, clean ale yeast. Up to 20% wheat malt may be used, but this is quite rare in authentic versions. Current commercial practice is to ferment warm, cold condition for a short period of time, and serve young.
Comparison:
To the untrained taster, easily mistaken for a cream ale or somewhat subtle Pils.
Commercial Styles:
Früh Kölsch