Experts say that ejiao should use cowhide, is the authentic ejiao made of cowhide or donkey skin?

Personally, I think donkey skins are better, becauseEjiaoThe main effect is to replenish blood, and donkey skin happens to meet this, but according to relevant records, donkey skin and cowhide are actually similar in glue making effect. Now the best Ejiao is made of donkey skin, so its ** is also slightly higher, and we generally believe that the Ejiao made of donkey skin is the best Ejiao, but experts claim that your cowhide is the best, which makes people a little puzzled, is it that we have been eating medium or inferior Ejiao? Actually, no, to be specific, cowhide and donkey skin are actually similar.

In the Compendium of Materia Medica

It is well documented:

"The finest cowhides and donkey skins; Medium horseskins, mule skins, camel skins,Pork rind；Inferior old hides and other raw hides.

Before the Tang Dynasty, it was made of cowhide, because the cost of cowhide was much lower, and the donkey was rarer, and it was possible that the donkey had not been introduced in ancient times, and the horse was to go to the battlefield, so it was relatively expensive, but when it came to the Song Dynasty, it was basically boiled with donkey skin, because there were more wars in the Song Dynasty, and cowhide could be used to make armor or other protective clothing, so donkey skin was used instead of cowhideAs a result, people were surprised to find that the ejiao of donkey skin is far better than that of cowhide, because the donkey is water-based, and water has an astringent effect, so the hemostatic effect will be better.

Therefore, later people also generally believed that only the ejiao made of donkey skin was called high-grade ejiao, and the ejiao made of cowhide was called yellow gelatin.

However, it is not possible to generalize, the production tools of Ejiao are more complex, of course, the requirements for raw materials are quite high, although donkey skin is higher than cowhide in a certain degree of glue, but cowhide is indeed the main raw material in the beginning.

According to the "Zhou Li. Winter official examination work. The Bow Man records:

"Where the glue is made, I want to be vermilion. In the past, those who were deeply flawed and zeal, and they were honest and honest. Deer glue white, horse glue red white, cow glue fire red, mouse glue black,Fish gelatinBait, rhino gum yellow.

Where nicknames and the like can't be squared.

So in the beginning, donkey skin was not the raw material for making ejiao.

However, whether the cowhide is good or the donkey skin is good, in fact, they are still the same, relatively speaking, they are relatively high-quality ejiao, but now donkey skin is the main raw material for making ejiao, so in general, cowhide and donkey skin are equal, they can make good ejiao,Moreover, whether Ejiao is good or not also depends on the person's physique and the method of eating, especially if the consumption is not appropriate, the effect of Ejiao will not be reflected at all, and it may be causedIndigestionOr there is a situation such as fire.

In fact, the fact turned out to be like this, in the Tang Dynasty, Ejiao was made of cowhide, the main reason is that because horses and donkeys were used as a main tool on the battlefield in ancient times, so horses and donkeys are naturally more expensive than Oxford, so in the Tang Dynasty, Ejiao can only be refined with cheap cowhide, but after the Song Dynasty, the cowhide was replaced by donkey skin, and the glue made from cowhide is called yellow gelatin. The skins of other animals cannot be used.

There are many types of ejiao, but in the beginning, ejiao was not donkey skin glue. For a long time, donkey skin glue was not the mainstream Ejiao, and it was not until the Tang and Song dynasties that donkey skin glue gradually occupied the mainstream. Later, after clinical observation, there was basically no difference between donkey skin glue and other animal glue.

Therefore, the claim that only donkey skin glue is authentic ejiao is not credible. Therefore, authentic ejiao should be made of cowhide and donkey skin.

Ejiao has always been said to have a lot of effects, and can cause a very good nutritional effect on the human body, the main ingredient of authentic Ejiao should be donkey skin, because the cost will be lower, and it will also have a better reputation.

Ejiao is rectangular in shape, brown and black in color, and has a lustrous glow, showing a slightly transparent effect under light.

And according to the clear provisions of the national pharmacopoeia, Li Xin can only use donkey skin to boil when making ejiao, and the effect of the glue boiled out of the fur of other animals is different, among which if the use of horse skin to boil ejiao, it will lead to miscarriage of pregnant women.

Harmful to the human body.

The use of cowhide and horse skin scraps to boil ejiao, this so-called ejiao not only has no tonic effect, but also will bring damage to human health. Ejiao is a traditional nourishing product in China, with a history of more than 2,000 years, which has the effects of nourishing qi and blood, nourishing yin and moisturizing the lungs.

To achieve the unique nourishing effect of Ejiao, the following three conditions must be met:

First, it must be made of 100% high-quality donkey skin.

Second, it must go through a strict production process.

Third, there must be high-quality boiling water.

Donkey skin really replaced cowhide as the raw material of Ejiao, which originated from the "ban on cowhide" from the Five Dynasties to the Song Dynasty. Cowhide had a great military use in ancient times (making armor, boiling bows and arrows with glue), and the demand was far greater than the supply at the turn of the Tang and Song dynasties, when wars were frequent.

In order to ensure that cowhide is used for the military as much as possible, the official ordered to strictly control the private trade of cowhide, and it was bought out by **. Since then, the raw material of ejiao has evolved into donkey skin.

At first, it was cowhide, but now how can you use real donkey skin, how expensive?

Only donkey skin has this rich collagen, so it has such a good tonic effect, as for horse skin cowhide, those bad merchants are also using it, but it is harmful to the human body, can you be sure that what you buy is donkey skin Ejiao, and I really help you look forward to it

I need to popularize science, both of which can be used in the pharmacopoeia, but the one that plays a role in health care is Ejiao, that is, donkey skin glue. The reason why Ejiao is admired is because it is relatively flat. Ejiao is the main wind, and yellow gelatin makes up for deficiency.

Theoretically speaking, yellow gelatin will have a greater effect, but the health care effect is better than that of Ejiao. Therefore, it is recommended to eat ejiao instead of yellow gelatin. Take yellow gelatin as ejiao and eat it, and wait for it to catch fire.

Doped with horse skin or dog skin must not be called ejiao, if these skins are doped in ejiao, the harm is immeasurable. If the product contains horse skin, it will be more harmful to people, because Ejiao is a blood tonic, and horse skin is bloody.

Some of the fake ejiao on the market are impersonated with the most common pig skin and cowhide, and it is harmless to eat pig skin and cowhide, but if the unscrupulous manufacturers use leather scraps as raw materials to boil, because heavy metal substances will be used in the leather processing process, the heavy metal residues are likely to be harmful to health.

At the earliest, Ejiao was made of cowhide, and because cowhide is a strategic material and is in huge demand, it switched to donkey skin. Written in the late Han Dynasty, the "Famous Doctors' Catalogue" recorded that ejiao was "boiled cowhide", and at this time, the medicinal glue evolved from miscellaneous skin gum to ejiao specially made of cowhide decoction. Now many people boast about donkey skin, but in fact, donkey skin is not as important as cowhide, but the merchant is just making a gesture to increase the value.

Tao Hongjing's "Famous Doctors":

Born Dongping County boiled cowhide to do, out of Dong'a.

Jia Siyi's "Qi Min Technique".

Sand cowhide, buffalo skin, pig skin for the top, donkey, horse, camel, mule skin for the second, broken leather shoes, soles, lattice soles, broken saddles, leather forks, but raw hides, regardless of age, do not rot, all boiled.

Tang Dynasty physician Chen Zang:

All the glues are the main wind, antidiarrheal, and replenish deficiency, and the main wind of donkey skin glue is the most.

Li Shizhen, "Compendium of Materia Medica", vol. 50.

Most of the ancient recipes were used in cowhides, and in later generations, they were expensive donkey skins.

See, at the beginning, everything was cooked, the donkey skin was not good, and then the cattle could not be controlled, so the donkey skin was cooked, and the horse skin could not be obtained, and the pig skin was usually eaten, and the donkey skin was different, and it was easier to get.

It's not that other skins can't work, but they have no medicinal value, and some are toxicHorse skin has a certain toxicity, which is not conducive to being used as medicinal materials.

The main ingredient of Ejiao is protein, which is a natural polymer compound, and now there are fewer donkeysAs a result, there are many unscrupulous merchants who cheat. Because the donkey's reproductive ability is weak, the growth cycle is relatively long, the market demand for Ejiao is also large, the cost is gradually rising, many unscrupulous businesses then started the idea of cheating, they use cowhide, pig skin, etc. to boil, its practical cowhide boiling is also good, the effect is not as good as donkey skin, if it is boiled with horse skin and old leather, then not only does not work but also causes harm to the human body.

But medicine that can cure one's own disease is good medicineSome people can't eat donkey skin, such as spleen and stomach deficiency, poor kidney function, and external fever, so be sure to consult a doctor before eating to avoid accidents.

The main raw material of Ejiao: it is donkey skin。Donkey skin, like other animal skins, is rich in collagen, but its nutritional value is similar to that of pigskin.

Collagen itself is not a high-quality protein, it is linked by three peptide chains, twisted into a twist-like structure, which is used to connect body cells and play a protective role in cells, it is widely found in human and animal tissue cells such as: ** and major tissues and organs.

The nutritional value of collagen itself is not highBecause it lacks an essential amino acid, tryptophan, which neither sustains life nor promotes growth and development, it is not a high-quality protein. Collagen is indeed an important component of our **, but it does not mean that eating collagen can replenish collagen, the process of digestion, synthesis and decomposition of protein in the body is a very, very complex chemical process.

There is no research evidence to suggest that taking a protein can be directed to the synthesis of the corresponding protein in the body. As a well-known nourishing Chinese medicine that has been passed down for thousands of years, the nutritional value of Ejiao is not very high from the perspective of nutrient content.

I think the main thing is that special animals have special substance content, and the others are different, so donkey skin is used.

This is mainly because of the fact that the others are not good at all, so that's why it's like this, and this is because of some material things.

Because the donkey skin used for Ejiao is the most authentic, other skins are not suitable.

I think so, maybe donkey skin doesn't contain the same ingredients as other furs.

Why do you use donkey skin to make ejiao, and can't other animal skins? After reading it, I found that there was "greasy" behind it

Since donkey skins are chosen, there may be certain benefits that other skins can't reach.

Because this is the ingredient of Ejiao, other skins do not have such an effect.

Because only by using donkey skin can you boil out the texture of ejiao.

Why does Ejiao have to be boiled with donkey skin? Can it be replaced with the skin of another animal?

Because only donkey skin can make so much gum that it is useful.

This thing is directly related to their recipe, that's why it's like this.

Because only donkey skins can produce ejiao, and other animal skins do not contain this substance.

Because the skin of other animals is not as nutritious as donkey skin, donkey skin is used.

Because donkey skins may be of better quality compared to the skins of other animals.

Because the value of donkey skin is relatively high! It is safer and more reliable, so donkey skin is generally used.

This is mainly because other skins can't be used, only this one can.

I think it's probably only donkey skin that has this magical blood tonic effect.

Because Ejiao has such storage characteristics, it is stored in this way.

Donkey skin is thicker and easier to store, so you don't have to worry about ejiao going bad.

Why do you use donkey skin to make ejiao, and can't other animal skins? After reading it, I found that there was "greasy" behind it

Because this thing is used to replenish blood, and donkey skin is originally used to replenish blood.

I think it's mainly because the nutritional value of donkey skins is extremely high, which is not found in the skins of other animals.