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retinol equivalent

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retinol equivalent (RE),
a unit used for quantifying the vitamin A value of sources of vitamin A, including both preformed retinoids in animal foods and precursor carotenoids in plant foods. RE is defined as 3.3 International Units of vitamin A.

retinol equivalent (RE) (ret´inôl),
n a unit of measurement used to determine the value of vitamin A in sources of vitamin A. Retinol equivalent is 3.3 IU of vitamin A. 1 retinol equivalent = 6 μg β-carotene or 1 μg retinol.


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e) RE = retinol equivalents (=1 [micro]g retinol or 6 [micro]g or beta- carotene).
Carrots have the most Vitamin A among vegetables by far, at 1,317 ug retinol equivalent per 100 grams, followed by spinach (533) and kale (350).
Therefore the value for retinol equivalents (RE) = [micro]g retinol + [micro]g [beta]-carotene equivalents/6 3.
 
 
 
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