NTDT200 Lecture Notes - Lecture 10: Vitamin D Deficiency, Vitamin A Deficiency, Calcium Metabolism

• School: University of Delaware
• Department: Nutrition and Dietetics
• Course: NTDT200
• Professor: Jerome, Danielle

Document Summary

Organic compounds, essential nutrients, individual units-not broken down. No source of energy (calories) but need to extract energy from macronutrients. There are 14 known vitamins- 4 of which are fat soluble. Solubility: ability to disperse or dissolve in water or lipids. Determinant of how absorbed and transported in body. Taking in large amounts can cause toxicity because they are stored. Often present in fatty portion of foods. Kimani the gorilla suffers from vitamin d deficiency. Rickets: bone malformation and muscle weakness, inadequate intake. Received high doses of supplemental vitamin d, improved. Vitamin d can be produced in the skin from cholesterol and exposure to uv light. Insufficient sun exposure makes is essential to consume in diet. Must be activated in the kidneys and liver to function in the body. Rda"s established on the basis of minimal sun exposure. In 2010, institute of medicine increased rda for vitamin d. Increased threefold for adults 19-50 years old, from 200-600 iu.