Water soluble vitamins and health - Vitamin C
21 important questions on Water soluble vitamins and health - Vitamin C
How much vitamin C is absorbed
How is the storage capacity of vitamin C?
What are the two main roles of vitamin C?
- It is a powerful antioxidant
- It can work as a coenzyeme
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What is the antioxidant power of vitamin C?
This recycling of vitamin C is key to limiting its losses and maintaining a reserve of antioxidants in the body. Vitamin C thus protects water-soluble molecules against oxidative damage, just like vitamin E does for fat-soluble molecules.
As what kind of co enzyme can vitamin C function?
What does vitamin C do to proline and lysine?
Hydroxyproline and hydroxylysine are important for stabilizing collagen.
By supporting collagen and connective tissue formation, vitamin C is important for wound healing and contributes to the health of teeth and gums, thereby preventing rupture of blood vessels and bleeding.
In addition, vitamin C plays an important role in the synthesis of several peptide hormones and neurotransmitters, and is needed for the production of bile acids.
What are early symptoms of vitamin C deficiency?
What happens in severe deficiency of vitamin C?
Scurvy is characterized by weakening of connective tissue, resulting in widespread bleeding from small blood vessels.
Childhood scurvy causes bone malformations.
Bleeding gums and loosening of the teeth are usually the earliest signs of clinical vitamin C deficiency. Rupture of blood vessels under the skin causes extreme tenderness of extremities and pain during movement.
If left untreated, gangrene and death may result.
Which group is in higher risk of vitamin C deficiency?
What can happen when you feed your infant with cow milk?
What can happen with people with a limited food variety?
- some elderly,
- indigent individuals who prepare their own food,
- people who abuse alcohol or drugs,
- food faddists,
- people with mental illness,
- and occasionally children, might not obtain sufficient vitamin C.
What can medical conditions do to absorption of vitamin C?
What can happen if you eat to much vitamin C?
1The most common complaints are diarrhea, nausea, abdominal cramps, and other gastrointestinal disturbances due to the osmotic effect of unabsorbed vitamin C in the gastrointestinal tract.
`What are the biggest contributers of vitamin C in our diet?
Citrus fruits, tomatoes and tomato juice, and potatoes are major contributors of vitamin C in the American diet.
What are the forms of vitamin C in suplements?
Is there a difference in DRI for people?
What is the evidence that vitamin C helps to prevent colds?
severity might be a little bit less when vitamin C is consumed before the cold. This might be because the antioxidant action of vitamin C activated immune cells.
What can vitamin C do for people with suffer form a stuffy nose from histamin?
What can vitamin C do to free radicals in the stomach and small intstine?
Whether this has clinical benefit is controversial.
What can vitamin C do to iron absorption?
A dose of vitamin C that is found in vitamin C–rich foods, enhanced the uptake of iron up to ten times more, depending on iron status, vitamin C dose, and test meal type.
The effect of vitamin C on raising hemoglobin concentration was modest.
What is the RDA of vitamin C for adults?
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