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ALCOHOL

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ALCOHOL Chapter 8 PRODUCTION OF ALCOHOL Anaerobic condition CO2 Glucose Pyruvate Acetaldehyde Fermentation of yeast ... – PowerPoint PPT presentation

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Title: ALCOHOL


1
ALCOHOL
  • Chapter 8

2
PRODUCTION OF ALCOHOL
  • Anaerobic condition CO2
  • Glucose Pyruvate
    Acetaldehyde
  • Fermentation of yeast


3
PRODUCTION OF ALCOHOL
  • Acetaldehyde
  • NADH
  • NAD

  • Ethanol

4
ENERGY CONTENT OF COMMON ALCOHOLIC BEVERAGES
5
Alcohol Metabolism
6
DIGESTION AND ABSORPTION OF ALCOHOL
  • No digestion required
  • Absorbed by simple diffusion and moves directly
    into blood stream
  • No specific mechanism required to enter body
    cells
  • Alcohol damages cell membrane proteins as it
    enters body cells.

7
ALCOHOL METABOLISM
8
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9
ALCOHOL METABOLISM
10
ALCOHOL METABOLISM
11
Catalase
  • Found in the liver
  • Minor pathway for alcohol metabolism
  • Catalase
  • H2O2
    H2O
  • Ethanol
    Acetaldehyde

12
What to do with Acetaldehyde?
  • Acetaldehyde dehydrogenase
  • Acetyl CoA is non-toxic to body cells

13
Fate of Acetyl-CoA
  • CO2 H2O
  • Acetyl-CoA Fatty Acid
  • Glucose

14
Moderate Alcohol Consumption Versus Alcohol Abuse
  • Benefits and Problems

15
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16
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17
Problems Associated with Alcohol Abuse
  • Increases 5 of the top 10 causes of death in the
    U.S.
  • Cirrhosis of the liver
  • Inflammation of stomach and pancreas
  • Hypertension and hemorrhagic stroke

18
Problems Associated with Alcohol Abuse
  • Brain damage and neurotransmitter imbalances
  • Myocardial depression and Arrhythmias
  • Cardiomyopathy
  • Fetal Alcohol Syndrome
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