Chapter 6: Ethanol (Alcohol) Flashcards
The type of beverage resulting from fermentation depends on the source of the sugar. Most common are?
grape juice which = wine and grains which = beer.
fermentation?
sugar is dissolved in water left exposed to the air, the mixture is invaded by yeast. Yeast consumes the sugars and multiply rapidly. Yeast metabolically convert sugar into ethanol and carbon dioxide.
Yeast cannot handle high lvls of alcohol so fermented beverages are only around ?
10-15%
Distillation process?
- fermentation of sugary substance
- heated
- alcohol has a lower BP that water…so vapours will be highly comprised of alcohol
- condense the vapours = high [ alcohol] than the original product
how do you know distillation is done?THINKN MOONSHINE
-teaspoon of product…light it on fire until the alcohol is all burned off…tip spoon..if a drop of water remains redistill
Brandy is distilled from?
Whisky is distilled from?
Rum?
Gin and Vodka?
- wine
- grains
- molasses, schnapps (distilled via potatoes)
- water, flavouring and pure alcohol distilled from any source
Distilled spirits are usually containing an alcoholic content of about?
40-50% by volume
midway between fermented and distilled drinks are?
fortified wines…..20% alcohol
Earliest proof of fermenting alcohol dates back ? in?
9,000 years ago in china
hek is?
beer made from grain ..egyptian….in the book of the dead, 3000 BCE
Fall of roman empire was blamed on the consumption of______ due to lead poisoning
wine …placed in lead vessels
Main alcoholic beverages in the british isles before the romans came was beer made from?mead from?
cider?
barley
fermented wild honey
fermented apples
Usquebaugh?
whiskey
Measuring alcohol in the body?
-concentration of alcohol in whole blood aka blood alcohol concentration (BAC)
