Chapter 6- Alcohol - Jennifer Bishop Chapter 6 Alcohol...

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Jennifer Bishop April 10, 2008 Chapter 6: Alcohol Introduction 1. alcohol abuse: excessive alcohol consumption that leads to severe alcohol related health and other problems, such as recurrent sickness, inability to fulfill major obligations, use in hazardous situations, related legal problems, or use despite social and interpersonal difficulties a. started in teenage years 2. ethanol: chemical term for the form of alcohol found in alcoholic beverages a. alcohol contains 7 kcals/g b. commonly used in social settings c. used as safe alternative to polluted water d. used to treat aches and pains 3. requires no digestion- most efficiently absorbed calories a. upper part of sm. intestine absorbs alcohol fastest b. alcohol absorption depends on whether there is food in GI tract 4. stimulant when consumed in low amounts (suppression of inhibitions) 5. acts as depressant in body (sedation, less coordinated, psychological impaired) How Alcoholic Beverages are Produced 1. fermentation: breakdown of carbs without using oxygen 2. high carb foods encourage yeast growth a. yeast necessary for alcohol production b. yeast can only use simple sugars (maltose, glucose, etc) i. starches must be broken down, or “malted” 1. cereal grains allowed to sprout 2. sprouted enzymes break down starch to simple sugar 3. sprouting stopped by heating ii. yeast/water added to malt iii. when Oxygen with yeasts/water/malt is gone, yeast ferments sugar to make alcohol and carbon dioxide 3. beer = malted cereal grain (barley) a. flavored w/ hops, brewed by fermentation b. CO 2 released is used to carbonate the beer 4. Wine = fermented grape juice a. Aged in oak barrels to decrease acidity (“aging”) 5. Distilled spirits: distilled alcohol after fermentation a. Distillation: physical method used to separate liquids based on their boiling points b. Boiling pts. Water and alcohol are different- they separate and we recover the alcohol c. “unaged” – vodka and gin d. “aged” – whiskey, rum, brandy
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Chapter 6- Alcohol - Jennifer Bishop Chapter 6 Alcohol...

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