Friday, March 2, 2012

Carrots can be Healthy Eyes

Beta-carotene in carrots

The main content is found in carrots beta-carotene can be converted or modified in the body into vitamin A. That is why beta-carotene is also commonly referred to as pro-vitamin A.

Vitamin A has a primary function as guardians of the eyes, especially when the eyes need to adjust to the darkness. Night blindness or a disease that causes people to become blind when the light dim or dark can occur when vitamin A deficiency is severe and prolonged. While the most severe form of vitamin A deficiency on the eye is called the xeroftalmia or eye dryness resulting in damage to the cornea that causes the eyes to total blindness.

Carrots can be Healthy Eyes

So is it true to Carrots can be Healthy Eyes and how much you should eat carrots?

Any person who has been advised to adulthood intake of 600-700 micrograms of vitamin A per day. That number could easily be obtained from a healthy and balanced diet, especially vitamin A because it can be from the formation of beta-carotene.

To form or get one micrograms of vitamin A, you need at least six micrograms of beta-carotene. Every 100 grams of raw carrot contains about 1067 micrograms of vitamin A that is still in beta-carotene (approximately 6,400 micrograms). That is, if you consume 100 grams of raw carrots will mean you have to meet more than 1.5 times the average daily recommendation for sufficient levels of vitamin A in your body.

Dangers of excess vitamin A

It turned out that if too much vitamin A is also dangerous. For those who consume excess vitamin A will usually experience symptoms of acute poisoning such as nausea, vomiting, headache, dizziness and vision also would be a bit blurred and even difficulty in muscular coordination. This can happen if you consume more vitamin A than the recommended, that is 3000 micrograms (adults) or 600 micrograms (toddlers) per day.

Excess vitamin A is usually most often caused by improper use of supplements or eating too much liver and other liver refined products. Excess vitamin A is caused by consuming lots of carrots and beta-carotene-rich foods other very rare, because the conversion of beta-carotene into vitamin A by the body is done selectively, if the body had had enough in receiving vitamin A from Beta-Carotene processed by the it is not all beta-carotene is converted into vitamin A.

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