Some vitamin supplements can increase your risk of death, say Danish researchers. 1 мар. 2007 г.
Can vitamins be destroyed?
Water-soluble vitamins are easily destroyed or washed out during food storage or preparation. Proper storage and preparation of food can minimize vitamin loss.
Can vitamins be destroyed by light?
DEAR N.F.: Milk is a perishable food and exposure to natural light or bright fluorescent light can destroy a percentage of the riboflavin (vitamin B-2), vitamin C and vitamin B-6. Excess exposure to light can also encourage the development of off flavors.
Do vitamins decompose?
High-heat cooking temperatures or prolonged cook times can break down the vitamin. Because it is water-soluble, the vitamin can also seep into cooking liquid and be lost if the liquids are not eaten.
Are all vitamins destroyed by heat?
Some minerals and vitamin A are also lost during cooking, although to a lesser extent. Fat-soluble vitamins D, E and K are mostly unaffected by cooking. Boiling results in the greatest loss of nutrients, while other cooking methods more effectively preserve the nutrient content of food.
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