Beer and the Civilization of Man • Brewing can be dated back to at least 7000 BC. • Many archeologists believe beer was the catalyst which led to the civilization of humans.
What is Beer Made Of? • Water • Beer is between 90-97% water depending on the style! • Malted Barley • What does “malted” mean? • Examples of different malt styles • Hops • Bittering Hops (IBU’s) • Aroma/Flavor Hops
What is Beer Made Of? • Yeast • Ale • Lager • During fermentation all brewing yeast produce over 200 different flavor active compounds. The proportions of these individual flavors is what gives each strain its own unique flavor profile.
What is Beer Made Of? • Other Cereal Grains • Wheat • Corn • Rice • Oats • Rye • Sorghum (Gluten Free)
What is Beer Made Of? • Other Adjuncts -Fruits -Citrus Peel -Spices/Coffee -These days anything goes: -Bacon -Oysters -Goat Brains -Elephant Dung
Beer Styles-What’s the Difference? • The latest official Beer Style Guidelines published by the Brewers Association in 2013 list 140 different beer styles. • So what makes all these unique styles? • Their flavor emphasizes on one or more of the ingredients discussed earlier……
Beer Styles-What’s the Difference? • Examples: -American Light Lagers: Water -Amber Ales or Lagers: Caramel Malts -Pale Ales and IPA’s: Hops -Hefeweizen: Wheat and Yeast -Witbiers: Wheat, Citrus Peel, and Spices -Sours: Yeast and/or Fruits -Porters and Stouts: Roasted Malts -Barley Wine: Malt and Yeast (Alcohol)
Hops (a.k.a. HumulusLupulus) Lupulin Glands
Hops (a.k.a. HumulusLupulus) • What’s Inside the Lupulin Glands? • Resins • α-Acids Bittering • β-Acids • Essential Oils Flavor
Hops (a.k.a. HumulusLupulus) • Common Varieties Used Commercially http://www.hopunion.com/hop-varieties/