PS268 Chapter Notes - Chapter 9: Old Ale, Labatt Brewing Company, Standard Brands
CHAP 9: ALCOHOL
Alcoholic Beverages
-alcohol is Arabic for 'finely divided spirit' and originally referred to wine collected through
distillation
Fermentation and Fermentation Products:
-beer and berry wine were used about 6400BN, grape wine dates from 300 to 400 BC
-mead is oldest alcoholic beverage (made from honey)
-fermentation: certain yeasts act on sugar in the presence of water and recombines the
carbon, hydrogen, and oxygen of sugar into ethyl alcohol and carbon dioxide
-once the concentration reaches 15%, the yeast died and fermentation ceases
-up to 15% is theoretically possible but in practice standard alcohol content for wine is 12%
-by making malt through converting cereal grains (starch usually barley) to sugar, we can
use cereal grains to make alcohol by adding yeast (usually grain based is only 5%)
Distilled Products:
-distillation allows us to obtain alcohol concentrations above 15%
-solution containing alcohol is heated, vapours are collected and condensed into liquid
again and there is a higher percentage of alcohol in the condensed liquid
-Italians distilled wine first, Europeans distilled wine into brandy wine, and Irish and Scots
distilled malted grain beverages (beer) into whiskey
Document Summary
Alcohol is arabic for "finely divided spirit" and originally referred to wine collected through distillation. Beer and berry wine were used about 6400bn, grape wine dates from 300 to 400 bc. Mead is oldest alcoholic beverage (made from honey) Fermentation: certain yeasts act on sugar in the presence of water and recombines the carbon, hydrogen, and oxygen of sugar into ethyl alcohol and carbon dioxide. Once the concentration reaches 15%, the yeast died and fermentation ceases. Up to 15% is theoretically possible but in practice standard alcohol content for wine is 12% By making malt through converting cereal grains (starch usually barley) to sugar, we can use cereal grains to make alcohol by adding yeast (usually grain based is only 5%) Distillation allows us to obtain alcohol concentrations above 15% Solution containing alcohol is heated, vapours are collected and condensed into liquid again and there is a higher percentage of alcohol in the condensed liquid.
