More eye protecting than pig liver, fruit containing vitamin A

Abstract: those not converted to vitamin A β Carotene also has other important physiological functions. It has antioxidant effect and is of great significance in preventing cardiovascular diseases, tumors and delaying aging., Many people often eat pig liver for “eyesight”, and many kindergartens stipulate that pig liver should be eaten once or twice a week. One of the main reasons for these practices is that pig liver is rich in vitamin A. But is pig liver really the best source of vitamin A?, Eye protection fruit containing vitamin a “width =” 300 “height =” 400 “SRC =” / / img jianke. com/article/201504/882455041-20150419232809721. Jpg “/ >, vitamin a required by human body can be directly ingested from animal food, but also from plant food β From carotene. There is ample evidence that intake β After carotene, its conversion efficiency into vitamin A is sufficient to meet the human body’s needs for vitamin A., And, most importantly, those that have not been converted to vitamin A β Carotene also has other important physiological functions. It has antioxidant effect and is of great significance in preventing cardiovascular diseases, tumors and delaying aging. In other words, β Carotene can not only be converted into vitamin A, but also has antioxidant effect that vitamin A does not have. Therefore, those rich in β Carotene foods, such as broccoli, carrots, pumpkins, leeks, spinach, tomatoes, shepherd’s purse, sweet potatoes and other vegetables, as well as citrus fruits, are the best sources of vitamin A., In comparison, animal liver and other viscera, egg yolk, lean meat and other foods rich in vitamin A contain more cholesterol or saturated fat. Therefore, it is not wise to eat more pig liver for eye protection. We should eat more fresh and dark vegetables and fruits.,

many people often take pig liver for “eyesight”. Many kindergartens stipulate that pig liver should be eaten once or twice a week. One of the main reasons for these practices is that pig liver is rich in vitamin A. However, is pig liver really the best source of vitamin A?

eye care fruit containing vitamin a “width =” 300 “height =” 400 “SRC =” / / img jianke. com/article/201504/882455041-20150419232809721. Jpg “/ >

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vitamin a required by human body can be directly ingested from animal food, but also from plant food β From carotene. There is ample evidence that intake β After carotene, the efficiency of its conversion to vitamin A is sufficient to meet the human body’s needs for vitamin A.

and, most importantly, those that have not been converted to vitamin A β Carotene also has other important physiological functions. It has antioxidant effect and is of great significance in preventing cardiovascular diseases, tumors and delaying aging. In other words, β Carotene can not only be converted into vitamin A, but also has antioxidant effect that vitamin A does not have. Therefore, those rich in β Carotene foods, such as broccoli, carrots, pumpkins, leeks, spinach, tomatoes, shepherd’s purse, sweet potatoes and other vegetables, as well as citrus fruits, are the best sources of vitamin A.

in comparison, animal liver and other viscera, egg yolk, lean meat and other foods rich in vitamin A contain more cholesterol or saturated fat. Therefore, it is not wise to eat more pig liver for eye protection. We should eat more fresh and dark vegetables and fruits.