Friday, August 3, 2012

American Summer Wheat Ale


ABV - 6.4% (act accordingly)
BU:GU ratio - 25:64 = .39  (What is that? Bitterness units in relation to malt sweetness, gravity units)
.5 is considered balanced.
> .5 is considered more bitter
< .5 is more sweet

This beer is an American Summer Wheat Ale, similar to any beers at the store with the word "summer" in them. It looks like it could be a lager, but that's basically all they share in common. Lagers generally take much longer to ferment than ales due to the colder fermentation temperature. This style beer usually is fermented with a "neutral" yeast that doesn't add any additional flavors to help showcase the malt/hops. I'm bored with neutral yeasts, so I ended up using a Kolsch yeast, which imparts a grape-like fruitiness that I love... and some slight sulfur that generally diminishes with time. Kolsch is a beer style altogether, product of Cologne Germany. Also for grains I used 52% wheat, 33% barley, 15% maize (for drinkability). Wheat contains a fair amount of protein which can create a large fluffy head but also produce haze in your beer. For Hefeweizens, so much wheat is added that brewers don't concern themselves with clarity. Mashes with a lot of wheat will undergo an additional "protein rest" before raising the temperature. A protein rest is about 113-131 degrees for 20-30 minutes and that is when certain enzymes are active that help break down the protein in the wheat and also help release starch from the grain... resulting in a possibly clearer and fuller maltier beer with better head retention. Wheat also has a "evaporating" mouthfeel to me, where it is so light and refreshing that the bubbles almost evaporate off your tongue. For hops I used very little at the beginning of the boil to prevent overly bittering the beer. In general, hops early in the boil adds bitterness, hops at the end of the boil adds aroma/flavor but not much bitterness. I added most of the hops at the end for a little more flavor and aroma. I also "dry hopped" the beer which means adding whole hop cones into the beer after fermentation to extract even more aroma. That aroma is very volatile and will fade over time, that is why it's best to drink "hoppy" beers fresh @ the brewery. Not sure how much of the aroma has lasted in the bottle. A majority has faded from the kegged version.

Let me know what you think. Can't make any promises, I'm just getting back into bottling so I may be rusty. If a cap doesn't seal completely you'll end up with a flat beer. Worst case scenario, grab a quart sized bag and you've got a marinade for chicken or fish.

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