NTDT401 Lecture Notes - Lecture 1: Riboflavin, Retinol, Dietary Reference Intake
7 Sep 2016
School
Department
Course
Professor
Document Summary
96% of body weight is made up of the chemical elements - o, c, h, n (organic) Most abundant chemical element to least abundant? (most) o 65% --> c 18% --> h 10% --> n 3% (least) Minerals that are present in large quantities in the body (>5g or 1 tsp) Macro-minerals with the highest levels in the body are: (most) ca, p, na, s, cl, mg (least) * 2 lbs of calcium makes up body weight. Minerals that are present in smaller quantities in the body (<0. 005%) Examples of trace minerals: fe, zn, cu, se, i. An element or organic compound that: is required for normal body function. Inadequate intake = deficiency: cannot be synthesized by the body (in sufficient quantities, inadequate intake leads to deficiency (need experiment to test for one) Proof that tiny nutrients are vital to life! Definition of a vitamin: essential organic micronutrients that are involved in.
