Which minerals play a role in providing antioxidant
protection/activity? Where possible, explain the mineral's
antioxidant activities and list one other function of the
mineral.
Copper is a component of the antioxidant enzyme
superoxide dismutase. Copper is also is required in the
synthesis of collagen and norepinephrine. Selenium is a
component of certain selenoproteins that have antioxidant
activity, and is a cofactor for an antioxidant enzyme.
Manganese is also important for glucose production and
bone formation. Zinc is a component of an antioxidant
enzyme, and also plays a role in regulating gene expression.
Therefore zinc is important in protein synthesis, cell
maturation, growth, and immune function.
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As a high-intensity dietary approach for reducing the risk of cardiovascular disease, the Therapeutic Lifestyle Changes approach recommends _____.
A. avoidance of stanols/sterols B. consumption of saturated fats C. less than 5–6 percent of total calories from trans fat D. consumption of 5–10 grams of viscous fiber daily E. avoidance of unsaturated fat
Vitamin C, iron, and fat are classified as macronutrients.
Answer the following statement true (T) or false (F)
Which of the following is NOT true regarding lipid structures?
a. Triglycerides are made up of two fatty acids and a phosphate group bound to one glycerol. b. Polyunsaturated fatty acids contain more than one carbon-carbon double bond. c. In an unsaturated fatty acid, a carbon-carbon double bond replaces the missing C-H bond so that each carbon still has four bonds. d. Saturated fatty acids consist of a linked chain of carbons atoms with all remaining bonds filled with hydrogen atoms.
When is breast feeding contraindicated?
a. when the mother is underweight b. when the mother has AIDS c. when the mother has a breast infection d. when the mother has hyperlipidemia