Vitamin C is a water-soluble, antioxidant vitamin. It is important in
forming collagen, … min C in a selected serving size. The U.S. AI for
vitamin C …
Human Nutrition, 1787 Neil Avenue, Columbus, OH 43210
Vitamin C (Ascorbic Acid)
his fact sheet is one in a series containing information to help you
select foods that provide adequate daily amounts of vitamins, minerals,
and dietary fiber. The Dietary Guidelines Advisory Committee just
released the Dietary Guidelines for Americans 2005 that convey the
following nine major messages concerning these topics: · Adequate
nutrients within calorie needs · Weight management · Physical activity ·
Food groups to encourage: fruits and vegetables, whole grains, and
nonfat or low-fat milk and milk products · Fat · Carbohydrates · Sodium
and potassium · Alcoholic beverages · Food safety
tended to consume less than men of the same age. Most nutrition
scientists believe that there are no known advantages in consuming
excessive amounts of vitamin C. The majority of vitamin C is consumed
through fruits and vegetables in the diet.
How can we get enough vitamin C?
Eating a variety of foods that contain vitamin C is the best way to get
an adequate amount each day. Healthy individuals who eat a balanced diet
rarely need supplements. Select foods that are good sources of vitamin C
as you follow the Dietary Guidelines.
How to prepare foods to retain vitamin C.
Vitamin C can be lost from foods during preparation, cooking, or
storage. To prevent loss of vitamin C: · Serve fruits and vegetables raw
whenever possible. · Steam, boil, or simmer foods in a very small
amount of water, or microwave them for the shortest time possible.
Why do we need vitamin C?
Vitamin C is a water-soluble, antioxidant vitamin. It is important in
forming collagen, a protein that gives structure to bones, cartilage,
muscle, and blood vessels. Vitamin C also aids in the absorption of
iron, and helps maintain capillaries, bones, and teeth.
Where to find vitamin C in the Food Guide Pyramid.
What is a "good source" of vitamin C?
A "good source" of vitamin C contains a substantial amount of vitamin C
in relation to its calorie content and contributes at least 10 percent
of the U.S. Adequate Intake (AI) for vitamin C in a selected serving
size. The U.S. AI for vitamin C is 90 milligrams per day for men and 75
milligrams per day for women. The U.S. AI given is for adults ages
1950, and the recommended changes are for pregnant and/or lactating
women. Consult your healthcare provider for these differences. The AI is
also increased for smokers. Smoking increases oxidative stress–as a
result, it is recommended that smokers consume 35 more milligrams of
vitamin C per day.
Fats, Oils, Sweets–nothing Milk, Yogurt, Cheese– nothing Vegetables–red
pepper, green pepper, broccoli, kohlrabi, tomato juice, tomato, potato,
cabbage, spinach Meat, poultry, fish, dry beans, nuts, eggs–nothing
Fruits–guava, papaya, orange juice, orange, strawberries, grapefruit,
cantaloupe, mango, tangerine
Do we get enough vitamin C?
According to recent surveys of the U.S. Department of Agriculture
(USDA), the average intake of vitamin C by American adults was over the
AI for vitamin C. Women
Grains–nothing
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