NFS 043 Lecture Notes - Lecture 15: Kidney Stone Disease, Diuretic, Collagen
7 Nov 2017
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Roles: antioxidant, protects from free radicals disrupting cell structures, reduces inflammation by quenching free radicals. Deficiency: rare. caused by fat malabsorption or preterm birth, liver/gallbladder/pancreatic diseases (disrupt fat digestion). chronic low-fat diet. Symptoms: muscle coordination issues, impaired speech and vision. Toxicity: in foods, totally safe. in supplements, enhance anticoagulant meds (uncontrollable bleeding, may increase mortality risk). Requirements: 15 mg/day. food sources: mayo, plant oils, sunflower seeds, wheat germ. vitamin is destroyed with heat and oxidation. Reqs and reality: most americans don"t meet vit. e recs. the needs rise as pufa consumption rises. Roles: blood clotting (activates proteins that help clot blood), synthesis of key bone proteins. Deficiency: rare (we get vit. k from intestinal bacteria). newborn infants- sterile gi tract (get single vit. k dose at birth). Requirements: 120 mcg/day for men. 90 mcg/day for women. food sources: leafy greens, soy beans, canola oil. Dissolve in water: easily absorbed and easily excreted. Sources: food (easily lost in cooking water), supplements.
