-
Anonymous users2024-02-15What determines the color of an eggshell? See what the experts have to say.
First, it is the breed of chicken, because the color of eggs laid by different breeds of chickens varies greatly, such as red shell eggs, white shell eggs, pink shell eggs, green shell eggs and so on on the market.
Second, it is the age of chickens, different breeds of chickens are deposited in the unit area with the increase of age, and the pigment of eggshell color is decreasing, so it will become lighter with the increase of age; The third aspect is the stress factor, especially in some extensive management modes or loud noise situations, which can cause the color to lighten.
So, what is the relationship between the color of the eggshell and the nutrition**?
Strictly speaking, the nutritional value of eggs is not directly related to the color of the eggshell, but there is a certain correlation, because the nutritional value of eggs mainly depends on two factors, one is the feeding ability of the chicken itself, and the other is the nutritional status of the feed. Why is it relevant? It is because when the chicken eats feed with low nutritional value for a long time, it itself will cause the body to develop imperfectly, poor disease resistance, and the nutritional value of the eggs converted into eggs at this time is poor.
Which is better for eggs produced in cage or free-range farming? What is the difference between these two types of eggs?
By comparing the two types of boiled and scrambled eggs, everyone agrees that free-range eggs taste slightly better than cage-raised eggs.
So, are eggs with good taste high in nutritional value? In this era of data, let's use the detected data to illustrate.
Caged egg test data.
Free-range egg test data.
In terms of nutrition, the testing agency mainly tested the five indicators of protein, fat, calcium, iron and zinc of eggs, and in general, the nutritional value of the two kinds of eggs is not very different, and the calcium content of free-range eggs is slightly higher. In terms of quality and safety, the two heavy metal indicators of lead and mercury are mainly tested, and the two kinds of eggs meet the requirements of national standards.
-
Anonymous users2024-02-14There is a difference between the white shell and the green shell of the egg, the color of the eggshell is determined by the food that the chicken eats, and the free-range chicken will have a white shell and a green shell because the things they eat are not fixed.
-
Anonymous users2024-02-13I don't know anything else, anyway, I know that the nutritional value of Shiling eggs' green-shell eggs is still very high, and people have certificates.
-
Anonymous users2024-02-12Both eggs are equally good. Because the color of the egg depends on the breed of the hen, the breed of the hen is different, the pigment secreted by her uterine epithelium is different, and the food eaten in the process of feeding is different, so the color of the egg produced is also different. These three eggs are different in shape and color, and their nutritional value is the same.
White eggs are mostly white raw, red eggs are mostly brown chickens, and green eggs are mostly black chickens.
Egg buying tipsLet's take a look at an egg first, it feels a little rough to the touch, not particularly smooth, if it is a particularly smooth egg, it is time to preserve it for too long. If the surface of the egg is dirty, there may be some bacteria, such as Salmonella.
and even other viruses.
Smell it: normal eggs don't have any special taste, if you smell carefully, there is an abnormal or even fishy smell, it proves that the egg has rotten performance, then it is not good.
The above content refers to Encyclopedia - Eggs.
-
Anonymous users2024-02-111. There is a difference between green shell eggs and ordinary eggs. Differences: Green shell eggs have green shells, regular eggs are pink or white, green shell eggs are 5-6 times more elemental than ordinary eggs, and some are 20 times higher.
Eggs are a type of green-shelled eggs that are famous for their green shells. is famous, some people make comparisons and find that its nutritional content and efficacy are higher than ordinary eggs. The green shell eggs, which are the mountain treasures bred by the forest, are pure and natural, and have some characteristics that ordinary eggs do not have.
2. Green shell laying hens are mainly produced in Taizhou, Jiangsu (Jiangyan Xinghua District), Hubei Forest Area, Hunan Mountain Area, Shandong Shanting District Mountain Area, Jiangxi Forest Area, Henan Lushi Mountain Area, Yunnan-Guizhou Plateau Mountain Area, Hainan Forest Area. Among them, hemp feather green shell laying hens originated in Shennongjia, Hubei Province, and black feather green shell laying hens originated in Dongxiang County, Fuzhou, Jiangxi Province.
3. The green shell laying hen was listed as the "National Germplasm Resources Protection Project" by the Ministry of Agriculture of the People's Republic of China, which is a national key protected variety.
Eggs are really one of the most common ingredients in our kitchens, and there are many different sizes of eggs on the market. When our parents asked us to buy eggs, they would also talk about local eggs and ordinary eggs, but they didn't know what the difference was. And although both of them are eggs, the price at which they are sold is very different. >>>More
Nowadays, the standard of living is getting higher and higher, and eating one or two eggs a day is really nothing. However, as the production of eggs increases, so do the demands placed on them by consumers. There are people in the farmers' market who sell "local eggs" from free-range chickens, and there are branded eggs with small labels in large supermarkets. >>>More
The difference between these two eggs is that the color is different, the nutritional value is different, and the storage time is also different; The nutritional value of these two eggs is similar, and the protein and vitamins in white eggs will be higher.
Ordinary eggs are slightly larger, and native eggs are slightly smaller; The yolk of native eggs is red and high in fat; Ordinary eggs have a yellowish yolk and are low in fat. In terms of nutritional value, the protein content of ordinary eggs is high, and the fat content of native eggs is slightly higher, and the nutritional value is about the same.
The biggest difference between yellow swan eggs and ordinary eggs is that yellow swan eggs meet the standard of raw food in Japan, and can be eaten raw directly, and there is no egg smell, and its yolk is larger and more yellow than ordinary eggs. Yellow swan eggs are more nutritious than regular eggs and contain more natural carotene. >>>More