Beta-carotene is a precursor of
A) retinol. B) ascorbic acid.
C) zeaxanthin. D) alpha-tocopherol.
A
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Answer the following questions true (T) or false (F)
1. The most effective way to increase fiber intake is to eat more low-fat animal foods. 2. For persons with diabetes, the higher the Glycemic Index of a food, the better. 3. Natural sugars are nutritionally superior to added sugars.
Incidental food additives sometimes find their way into foods, and adverse effects are common
a. True b. False Indicate whether the statement is true or false
Triglycerides, phospholipids, and glycerols are the three types of lipids commonly found in foods.
Indicate whether the statement is true or false
Which of the following is NOT among the characteristics of vitamin C?
a. Easily degraded by heat b. Easily degraded by oxygen c. With moderate intake it acts chiefly as a prooxidant d. Adequate amounts are contained in breast milk but not cow's milk