ESS 3 Lecture Notes - Lecture 4: Retinol, Osteoporosis, Beta-Carotene
Document Summary
Characteristics of vitamins include allof the follow except: are macronutrients, do not provide energy, contain carbon molecules, are incorporated into structure of cells , are necessary for development and growth. Are organic compounds (contain both carbon caron and carbon hydrogen bonds) Are esse(cid:374)tial (cid:374)utrie(cid:374)ts ((cid:373)ust (cid:271)e (cid:272)o(cid:374)su(cid:373)ed i(cid:374) the diet to (cid:373)eet the (cid:271)ody"s (cid:374)eeds. Vitamin d: can be synthesized in the skin, synthesis can be blocked by sunscreen, good sources are found in fatty fish and fortified foods, activated in kidneys and liver, all of the above . Bone malformation and muscle weakness, inadequate intake or improper absorption and utilization of vitamin d. Received high doses of supplemental vitamin d. Vitamin d can be produced in the skin from cholesterol and exposure to uv light. Insufficient sun exposure makes it essential to consume in diet. Must be activated in kidneys and liver to function in the body. Vitamin d has many important functions in the body.
