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Old 09-11-2008, 05:00 PM   #1
david_42's Avatar
Oct 2005
Oak Grove, Oregon, USA
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Origin of lager yeast

It turns out that both probably owe their origins to laws in 16th-century Bavaria that banned brewing in the summer because scorching heat ruined the ale that was brewed before the emergence of lager.

Forced to produce their beer in the winter, brewers accidentally created conditions favouring the emergence of a hybrid yeast better suited to the cold.
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Old 09-11-2008, 11:11 PM   #2
homebrewer_99's Avatar
Feb 2005
Atkinson (near the Quad Cities), IL
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I'll drink to that!
HB Bill

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Old 09-12-2008, 12:53 AM   #3
Burrowing Owl Brewery
niquejim's Avatar
Jul 2007
Cape Coral Florida
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The purity laws were more for tax collection than food safety, so lager yeast was just a lucky happenstance

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Old 09-12-2008, 03:28 AM   #4
Jan 2006
Wauwatosa, WI
Posts: 159
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As I sip my Saison brewed with a cane sugar and a bit of coriander & black pepper, fermented at 82 degrees, and take a long deep sniff of its aromatic complexities as swirls in my glass, I think "To hell with the Reinheitsgebot and the German affection of following the rules, give me Belgians in all their un-pure, rowdy gloriousness!"

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Old 09-12-2008, 03:40 AM   #5
Apr 2007
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That was an interesting, albeit brief, article. I didn't realize there were two families of lager yeast. I haven't ever lagered yet, but now I have something to think about for when I do; whether to use yeasts from the Saaz family or the Frohberg.
Reality is a crutch for people who can't cope with drugs. -Lily Tomlin

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