Fat soluble vitamins and health - Vitamin E
16 important questions on Fat soluble vitamins and health - Vitamin E
What is the function of vitamin E?
It also has roles in cell signaling, regulation of genes, inhibition of cell proliferation, and platelet aggregation. These effects are specific for alpha-tocopherol and are independent of the antioxidant properties of the vitamin.
How is vitamin E absorbed?
It is then transported to the lymphatic system and the liver.
What kind of vitamin E is mostly present in the liver and the blood?
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Which protein transports alpha-tocopherol?
Where are the highest content of vitamin E and what is the turnover there?
liver (fast turnover)
muscles (fast turnover)
What do free radicals do?
What does vitamin E do with free radicals?
It can not do this again until it is regenerated. (This is done by vitamin C)
What is importend to realize about the anti-oxidant properties studies of vitamin A?
Studies have also shown that low concentrations of oxidants might result in vitamijn A turning into a Pro-oxidant rather then a Anti-oxidant.
What does vitamin A to LDL?
Vitamin A can protect LDL form being oxidized and therfore prevents hard desease. However no prove was found in clinical intervention trails.
What is a function of alpha-tocopherol with a protein?
What is the function of vitamin E in blood vessels?
What is the function of alpha-tocopherol with the arterial wall?
What does alpha-tocopherol do with a genes?
What is the effect of a vitamin E deficiency?
Early diagnostic signs are increased breaking of red blood cells (the classic sign of vitamin E deficiency) and leakage of muscle enzymes into the blood.
In premature infants, vitamin E deficiency is associated with having insufficient red blood cells.
The main reason that premature infants are prone to vitamin E deficiency is because their digestive tract is underdeveloped.
What are the most important sources of vitamin E?
What are the DRI for vitamin A dependent on?
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