Appearance of difference: The real black-bone egg has a thin shell and a small head, followed by a white shell or a green shell with a rough surface. Under the illumination of light, the black-bone egg will find a turtle-shell-like grain on the shell, as shown in Figure 1. The green eggshell is relatively thick and slightly larger than the black egg, as shown in Figure 2. You can tell the difference between the two by this appearance difference.

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Green-skinned eggs are small, the yolk is particularly large, and they are low in cholesterol, high in selenium and other polyunsaturated fatty acids. According to the determination of China Academy of Agricultural Sciences, Jiangxi Agricultural University and Jiangxi Animal Husbandry Bureau, the fat content of this egg is one quarter of that of ordinary eggs, and it contains 17 amino acids and lysine needed by human body.

Green shell eggs can effectively improve the symptoms of loss of appetite, indigestion, nausea and vomiting during pregnancy, improve the quality of sleep, enhance the nutritional absorption of pregnant women and promote the healthy growth of the fetus; For children, it can promote growth, enhance memory, improve IQ and enhance immune function; At the same time, it is very beneficial for women to regulate menstruation and nourish blood, and to maintain beauty; For middle-aged and elderly people, it can reduce blood fat, soften blood vessels and prolong life.

Green-shell laying hens are like a natural nutrition processing factory. After eating original feeds such as platycodon grandiflorum peel, pepper seeds, bean stalks and corn, they are not only not easily infected by epidemics, but also extremely rich in trace elements, vitamins and minerals. They absorb a large amount of these nutrients and transform them into eggs. The main nutrients in eggs are 3-6 times higher than those in ordinary eggs, and the cholesterol content is 20% lower, and the protein content is high/kl.

At the same time, it is also rich in lecithin, cephalin, neurophospholipid, high-density lipoprotein, vitamins A, B, C, E and trace elements. The content of vitamin E is 2-3 times higher than that of ordinary eggs, and it is rich in various amino acids necessary for human body, especially lysine, glutamic acid and aspartic acid. The β globulin and γ globulin of Harrington unit in egg yolk are obviously higher than those of other chickens, which is consistent with improving immune function in clinic.

More valuable is that the content of yolk cholesterol and whole egg cholesterol is about 40% lower than that of ordinary eggs. Green shell egg is an ideal natural health food with high vitamins, trace elements, amino acids, low cholesterol and low fat. It has been approved as a "green food" by the National Green Food Development Center, as a "health food" by the Ministry of Health, as a "ginseng in an egg", and even as an "oriental god egg" by foreign friends.

Baidu Encyclopedia-Black Egg

Baidu Encyclopedia-Green Eggs