Amount of Selenium, Se in Onions, raw natural

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There is µg amount of Selenium, Se in amount of Onions, raw natural

SELENIUM - Se
Selenium is one of the essential trace elements. The interest in Selenium is mostly due to its potent antioxidant activity.

In the body Selenium works as part of the proteins, especially protein which is involved in own antioxidant mechanism in the body, that protect the cells of the body from free radical damage. Selenium is also involved in the thyroid function, where it is required for activation of thyroid hormone. It plays an important role in immune system function, deficiency is linked to heart disease, development of cataracts and other degenerative and inflammatory conditions of aging.

As nutrient, Selenium can be toxic and therefore there is a recommended upper limit, which is 400mcg/day. The content of Selenium in food depends on content of Selenium in the soil where the food grows.

Among significant sources of Selenium are Brazil nuts, alfalfa, wholegrain, onion, eggs, fish, seafood, meat, fruit and vegetables (depending on the content of Selenium in the soil).

Determine, under different quantities, how much of Selenium, Se nutrient can be found in Onions, raw natural. Calculate and convert the amounts.