BIOLOGY 105 Lecture Notes - Lecture 11: Gastric Bypass Surgery, Stunted Growth, Malabsorption
Document Summary
Three minerals are co-factors for enzymes with antioxidant functions: zinc (zn, copper (cu, selenium (se) Excessive intake can lead to: nausea, vomiting, diarrhea, copper deficiency, etc. Anemia (too few red blood cells), impaired immune response, osteoporosis. Cashews, canned tuna, breakfast cereals (shredded wheat) Increases risk for particular form of heart disease. Mixed results need more long term studies. Most studies are done on smokers, etc. The best way to ensure adequate intake of antioxidant nutrients is thru balanced diet consisting of. Surprising effects of vitamin a supplements on smokers and ex-smokers. Gilbert and omenn conducted beta-carotene and retinol efficacy trial (caret) lol. Supplement was increasing participants" risk of lung cancer. Retinoids (preformed) retinal, retinol, retinoic acid. Carotenoids (provitamin a, not active form) beta-carotene. Vision and acts as hormone - controls synthesis of proteins involved in: Permanent blindness, impaired immunity, dry skin, keratinization. Calcitriol increases absorption of calcium in the intestine.
