NUTR100 Chapter Notes - Chapter 5: Sexual Dysfunction, Portal Venous System, Fatty Acid Metabolism
30 Sep 2016
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Metabolism of alcohol in the body! quickly absorbed ! 20% of consumed alcohol is absorbed in the stomach! food slows down the absorption ! Food slows down gastric emptying ! alcohol enters the blood stream quickly ! Atp, but also results in changes that inhibit the citric acid cycle, limiting breakdown of acetyl-coa! Introduce mutations to the dna - ways that cancer can start! Oxidation of ldl ! alcohol is a carcinogen ! Physiological impact of alcohol metabolism ! peaks in both men and women occur about 30 min after consumption ! women have peak at approx. 85mg/100ml blood alcohol ! men have peak at approx. Women have lower activity of the enzyme alcohol dehydrogenase ! May have a higher proportion of body fat therefore less body water than men! Alcohol consumed distributed in smaller amounts of water making the concentration higher ! Acute effects of alcohol consumption ! liver breaks down 15 ml etoh/h !
