The guide of keeping in good health to spring and summer: Compared with carrot the broccoli pork liver makes eyes bright

The guide of keeping in good health to spring and summer: Compared with carrot the broccoli pork liver makes eyes bright
The guide of keeping in good health to spring and summer: Compared with carrot the broccoli pork liver makes eyes bright
A lot of people for " Make eyes bright " And often take in the pork liver, but, is the pork liver really the best source of vitamin A? Vitamin A essential for human body, except that can absorb from the animal food directly, can also be transformed by beta carotene in the plant food. Abundant evidence shows, after taking in beta carotene, it is abundant that it turns into efficiency of vitamin A, it is enough to meet the human requirements for vitamin A. Moreover, the most crucial one is, those beta carotene not turned into vitamin A also has other important physiological functions, it resists the oxidation, to preventing cardiovascular vessel disease, tumour, have important meanings to and slow aging. In other words, beta carotene not only can be turned into vitamin A, the ones that also have vitamin A that does not possess resist the oxidation. So, those rich food containing beta carotene, for instance vegetables such as broccoli, carrot, pumpkin, fragrant-flowered garlic, spinach, tomato, shepherd's purse, sweet potato,etc. and citrus,etc. the fruit is the best source of vitamin A. Comparatively speaking, rich food containing vitamin A such as animal's liver and other viscera, egg yolk, red meat, contain more cholesterol or saturated fat. So, it is unwise to eat more pork livers for protecting the eyes. Should eat more fresh, dark vegetables and fruit.


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