Can eating pig liver prevent myopia?
I can't. Some people are nearsighted and think that eating pig liver can improve their eyesight. In fact, the cause of myopia is due to the deformation of eyeball-the increase of anterior and posterior diameter, and the lens can not focus on the retina normally. No matter what food you eat, even drugs can't change the shape of the eyeball and restore the normal distance between the anterior and posterior diameters of the eyeball. How can it help treat myopia?
Is eating pig liver good for eyes?
Liver is an important organ for storing vitamin A in animals.100g pig liver contains about 5000 micrograms of vitamin A.. One of the important physiological functions of vitamin A is to maintain the normal structure of cornea and the normal function of retina, which plays an important role in maintaining normal vision. If vitamin A is lacking, symptoms such as dry eye and night blindness will appear. Therefore, for people who lack vitamin A, pig liver can really help to supplement vitamin A quickly. From this point of view, the statement that pig liver "improves eyesight" also has some truth.
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How to choose pig liver
1, appearance. Crimson pig liver and no spots are available for purchase. ?
2. Touch. It feels elastic, and there is no lump or edema, and there is no white substance, so this kind of pig liver can be purchased. ?
3. Inner surface. Many people like to buy sauce pork liver and cooked pork liver. Regarding the purchase of this kind of pig liver, the surface of this kind of pig liver should be reddish brown, and the inner surface is normal without honeycomb.
How to preserve pig liver?
Fresh pork liver can be preserved with lard or edible oil if it needs to be stored. The method is: wash the pig liver, drain off the water, spread a layer of oil evenly on the surface of the liver, and put it in the refrigerator or in the shade. When you eat it again, you can still keep the original freshness of the pig liver. ?