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To ask this question, we must first understand that lead comes from. The feed of black-boned chickens is the same as that of other chickens, so how can it be possible to accumulate lead in the body?
Unless it is fed a large amount of lead-containing feed, it is possible to accumulate some lead in its body, and a large amount of lead is still excreted from its body. This cost is very large.
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No, it's the different varieties that make it appear black.
Black chickens are also known as black-bone chickens, and they are called black chickens not only because of their fur color, but more importantly, their internal organs are basically black, so they are named, and from the perspective of nutrition, black chickens are higher than other ordinary chickens.
Compared with ordinary chicken, black chicken has 10 kinds of amino acids, and its protein, vitamin B2, niacin, vitamin E, phosphorus, iron, potassium, sodium content is higher, while cholesterol and fat content are very small, no wonder people call black chicken "black heart baby"; Therefore, black chicken is a good product to replenish fatigue and nourish the body. Eating black chicken can improve physiological function, delay aging, and strengthen muscles and bones. It has obvious effects on the prevention and treatment of osteoporosis, rickets, and iron deficiency anemia in women.
The Compendium of Materia Medica believes that black-bone chicken has the function of replenishing weakness and fatigue, quenching thirst, benefiting pregnant women, treating women's collapse and some deficiency diseases. The famous black chicken white phoenix pill is a good medicine for nourishing the liver and kidneys, nourishing blood and improving essence, and strengthening the spleen.
In foreign countries, this black color greatly affects people's appetite, so black-bone chicken is not very popular as a food. Its fluffy and smooth feathers, distinctive comb and earlobe colors are so popular that some people keep them as pets.
The biggest characteristic of black-bone chickens - the skin, bones and even the meat are black because of the deposition of melanin. However, melanin is not a nutrient that the body needs.
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Black-bone chicken is black chicken, which contains protein, a variety of amino acids and trace elements, vitamin E, vitamin B group and other nutrients. Black-bone chicken is rich in iron, has the effect of nourishing yin and nourishing blood and strengthening the spleen, and has a good effect on women's postpartum deficiency, menstrual irregularities caused by insufficient milk and qi and blood deficiency, uterine deficiency and cold, menstrual abdominal pain, collapse and leakage, and physical emaciation. Black-bone chicken also has a variety of vitamins and amino acids, which can regulate human physiological functions, improve the body's immunity, and have a significant effect on strengthening the body.
The nutritional value is very rich. It contains 18 kinds of amino acids, as well as a variety of nutrients such as carotene and vitamins, and the content of trace elements is also very high. Among them, calcium, phosphorus, iron and other trace elements can effectively supplement the trace elements needed by the human body.
From the perspective of traditional Chinese medicine, black chicken has the effect of nourishing qi and nourishing yin and kidneys. It can effectively delay female aging, enhance the body's immunity, remove free radicals in the body, and inhibit the growth of cancer cells.
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There is no such statement, if the domestic chicken, he will not contain much lead.
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