Question 1: How to distinguish the authenticity of donkey-hide gelatin cake?
Donkey-hide gelatin should be authentic if it is as yellow as amber and as black as lacquer. The true ones have no smell of skin and are not soggy in summer. Fire test: Take a small amount of the sample and put it in the crucible to burn. It will burst at first, then expand and melt, emitting white smoke, with a strong aroma of sesame oil. After ashes, the residue will be black, loose, in the shape of flakes or lumps, and will not match the crucible. Adhesion; water test: boil to dissolve, the solution is light brown red, turbid, and white substances are precipitated, and there are oil droplets on the liquid surface. Take the glue and dissolve it in water, the liquid is clear and no turbidity; pat: pat the table hard with your hand, the fragment cross section is like If it is brown, translucent and has no foreign matter, it is genuine. If it is soft but not broken when patted, it is suspected to be a fake.
The first fake donkey-hide gelatin is cowhide glue, which is hard and not easily broken, and has a strong turbid odor when burned. There are no oil droplets on the surface of the water test solution; the second is miscellaneous leather glue, which has the aroma of soybean oil when burned. , the water test solution is dark gray brown red, with a few oil spots on the liquid surface; third is bone glue, the surface is opaque and dull, with small holes caused by bubbles, irregular wrinkles on the sides, hard and difficult to break, and slightly smelly ; The fourth is gelatin, which is smooth and bright, brittle, slightly smelly or smells like ink. After the fire test, it turns into white flaky powder and does not stick.
In addition, the donkey-hide gelatin solution did not agglutinate after standing for 4 hours, and the counterfeit product solution agglomerated into a paste.
In addition, turtle glue and deer glue are similar in appearance to donkey-hide gelatin and should also be identified: turtle glue has a brownish slightly green surface with a yellow "oil head" on it, and is as clean to light as amber, Hard in texture; deer glue has a dark brown surface, translucent to light, with a thin yellow-white porous layer on one side, brittle and brittle, and a reddish-brown cross section with a glass luster.
Question 2: How to distinguish true and false donkey hide gelatin cake? You can feel the quality of donkey-hide gelatin cakes by tasting them. Good donkey-hide gelatin cakes have a gelatin aroma, while bad donkey-hide gelatin cakes have a fishy smell and a very poor taste. Another simplest method is to put the donkey-hide gelatin cake into warm water. If it melts into lumps and has no impurities, it is good. If it does not melt for a long time and remains in lumps, it is fake. After all, it is something you eat, so you must be careful!
Question 3: How to identify genuine and fake donkey hide gelatin cake? The first trick: recognize the brand
Li Shizhen's "Compendium of Materia Medica" records: "Donkey-hide gelatin, the best grade in the book, Hongjing said: 'It comes from Dong'e, so it is named donkey-hide gelatin'". It can be seen that the most authentic donkey-hide gelatin is produced in Dong'e County, Shandong Province.
There are many different brands of donkey-hide gelatin currently on the market. When purchasing donkey-hide gelatin, you must choose products produced by big brands, large enterprises, and listed companies. Donkey-hide gelatin, like other medicines, is a special commodity and must be marked on the packaging. Clearly mark the registered trademark
The second step: look at the packaging
The outer packaging of genuine donkey-hide gelatin has been professionally designed, with clear patterns and logo lines, and exquisite printing. The word "donkey-hide gelatin" in the product name has obvious embossments. feel. Use a one-time tear-off package, tear along the zigzag line on the left side of the front of the box, and you will see a set of 16-digit anti-counterfeiting numbers. According to the instructions, you can enter the number as prompted by making a phone call, writing a text message, or searching online, and you will know the authenticity. Fake. Generally, the outer packaging of fake donkey-hide gelatin is printed roughly, and there are often typos, omissions, registered trademarks, incorrect markings, etc. Some fake donkey-hide gelatin also has anti-counterfeiting marks, but almost all anti-counterfeiting calls cannot be answered or prompt for input errors. The real and fake donkey-hide gelatin are placed on the Together, it is clear at a glance.
The third step: look at the product
Genuine donkey-hide gelatin is in the shape of a regular rectangle, consistent in size and thickness, with a smooth and bright surface and uniform color. The product name is printed on the front in a clear and clear font. Dark red; there are two regular divisions on the back of the rubber block. It is hard and brittle. It will break with a little force when broken by hand. If the rubber block is slapped hard on a hard object, it will break into several pieces. The cross section will be bright and will appear when exposed to light. Brown and translucent, without oil holes or pores; fake donkey-hide gelatin is generally black or obviously yellow in color, with many irregular glue blocks, rough and dull surface, different sizes and thicknesses, and the product name on the front is printed with paint, pigments, etc., with the color of the words Most of them are bright red, and the handwriting is often blurred and crooked, with many cracks on the words; most of the backs have no dividing lines, and those with dividing lines are also irregular. Most of them are hard but not brittle, and some are bendable, not easy to break, and not easy to break when beaten. , the cross section is gray-black, dull, easy to soften and bond, with oil holes, pores, etc.
The fourth step: Smell the smell
When the genuine glue block is first opened, take a light breath on the surface of the glue block and smell the faint scent of donkey-hide gelatin. After crushing it, smell it It has the unique fragrance of donkey-hide gelatin. Fake donkey-hide gelatin has no clear fragrance, but a fishy or strange smell.
The fifth step: Observe the solution
After smashing the genuine rubber block, put an appropriate amount into a transparent glass, add an appropriate amount of boiling water, stir and dissolve, and leave it for 1 to 2 minutes , the glue has no visible granular foreign matter, and has a slight unique glue fragrance without any peculiar odor; while the aqueous solution of fake donkey-hide gelatin has an obvious fishy or peculiar smell, and some will have insoluble floc. Obvious granular foreign matter is common in the glue.
First, look at the appearance: the genuine product is in the shape of a rectangular block, with a color like enamel paint and light as transparent as amber. The surface is smooth and has vertical coarse cloth-like stripes. The surface is smooth and shiny. When viewed against the light, the edge is half. Transparent; fake products have different block shapes and specifications, such as jet black or blood red, no luster, uneven surface and even holes.
The second is to break it by hand: the texture of genuine gelatin is brittle and hard, will not bend when broken, is easy to break, and has no pores in the cross section; while the texture of fake gelatin is not brittle, easy to bend, and difficult to break, and the cross section is sticky and sticky. Sometimes there are small holes.
The third is to smell: authentic donkey-hide gelatin has a gelatin scent, while fake donkey-hide gelatin has a fishy smell. Or put a small piece of donkey-hide gelatin into a hot water cup, cover the lid for two minutes, and the donkey-hide gelatin in the cup will disappear. Exudes a gluey smell, tasteless or fishy smell are fake.
Question 4: How to distinguish the authenticity of donkey-hide gelatin cake? It is difficult to judge the authenticity of donkey-hide gelatin cake. Generally, donkey-hide gelatin paste includes donkey-hide gelatin, walnuts, sesame seeds, jujubes, wolfberries, and rice wine. That’s it, all labeled. The powder is mixed into one piece, steamed in a pot, and then the finished donkey hide gelatin paste is produced.
In terms of color, the finished donkey-hide gelatin paste is darker, which means there is enough donkey-hide gelatin. If it is yellower, it means there is less donkey-hide gelatin. Normal donkey-hide gelatin paste should have some unpulverized walnut pieces in it, so you can judge In terms of walnut ingredients and taste, the taste of rice wine is different from others. You can tell the difference with your nose, but you can't accurately tell whether it is good rice wine.
In short, donkey-hide gelatin ointments sold on the market now generally do not contain enough donkey-hide gelatin, otherwise the price per kilogram would be around 200. If the explanation is incomplete, please check it yourself.
Question 5: How to distinguish the authenticity of donkey-hide gelatin paste? Which manufacturer is more authentic? The most important thing in taking donkey-hide gelatin is seeking authenticity. How to identify the authenticity of donkey-hide gelatin? Here are five tips to identify the authenticity of donkey-hide gelatin, so that fake donkey-hide gelatin has nowhere to hide. The first trick: recognize the brand Li Shizhen's "Compendium of Materia Medica" records: "Donkey-hide gelatin, the best grade in the book, Hongjing said: 'It comes from Dong'e, so it is named donkey-hide gelatin'". It can be seen that the most authentic donkey-hide gelatin is produced in Dong'e County, Shandong Province. There are many different brands of donkey-hide gelatin currently on the market. When purchasing donkey-hide gelatin, be sure to choose products produced by big brands, large enterprises, or listed companies. Donkey-hide gelatin, like other medicines, is a special commodity, and the registered trademark such as "Donga" must be marked on the package. "Don't-E-Jiao", production company, factory address, approval number, functions and indications, etc. Currently, "Dong-E-Jiao" is the most popular on the market and has the best quality.
The second step: Look at the packaging. The outer packaging of genuine donkey-hide gelatin has been professionally designed, with clear patterns and logo lines, and exquisite printing. The word "donkey-hide gelatin" in the product name has a clear concave and convex feel. Use a one-time tear-off package, tear along the zigzag line on the left side of the front of the box, and you will see a set of 16-digit anti-counterfeiting numbers. According to the instructions, you can enter the number as prompted by making a phone call, writing a text message, or searching online, and you will know the authenticity. False. Generally, the outer packaging of fake donkey-hide gelatin is printed roughly, and there are often typos, omissions, registered trademarks, incorrect markings, etc. Some fake donkey-hide gelatin also has anti-counterfeiting marks, but almost all anti-counterfeiting calls cannot be answered or prompt for input errors. The real and fake donkey-hide gelatin are placed on the Together, it is clear at a glance. The third trick: Look at the product. Genuine donkey-hide gelatin is in the shape of a regular rectangle, with the same size and thickness. The surface is smooth and bright, and the color is uniform. The product name is printed on the front, the font is clear and clear, and it is dark red. There are two regular dividing lines on the back of the glue block. The quality is Hard and brittle, it can be broken by hand with a little force; if the glue block is slapped on a hard object, it will break into several pieces. The cross section is bright and will appear brown and translucent when exposed to light, without oil holes or pores; fake donkey hide gelatin has a general color and luster. Black or obviously yellow, there are many irregular glue blocks, the surface is rough and dull, and the size and thickness vary. The product name on the front is printed with paint, pigments, etc., and the color is mostly bright red. The writing is often blurred, skewed, and there are many words on it. There are cracks; most of the backs have no dividing lines, and those with dividing lines are also irregular. Most of them are hard but not brittle, some are bendable, not easy to break, and not easy to break when slapped. The cross section is gray-black, not bright, and easy to soften and bond. There are oil holes, air holes, etc. Step 4: Smell the genuine glue block. When you first open the package, take a light breath on the surface of the glue block and smell the faint fragrance of donkey-hide gelatin. After crushing, you will smell the unique fragrance of donkey-hide gelatin. Fake donkey-hide gelatin has no clear fragrance, but a fishy or strange smell. Step 5: Observe the solution. After smashing the genuine glue block, put an appropriate amount into a transparent glass, add an appropriate amount of boiling water, stir and dissolve, and leave it for 1 to 2 minutes. There will be no visible granular foreign matter in the glue, and there will be a slight smell of it. The gelatin has a fragrance without any peculiar odor; the aqueous solution of fake donkey-hide gelatin has an obvious fishy or peculiar odor, and some may have insoluble floc. After melting, obvious granular foreign matter is often found in the gelatin solution.
Question 6: How to identify the authenticity of donkey-hide gelatin cake? Take a piece of donkey-hide gelatin cake you purchased and prepare a cup of hot water or hot milk
Put the donkey-hide gelatin cake into hot water or hot milk Medium
The donkey-hide gelatin cake begins to bubble and dissolve
The donkey-hide gelatin contained in the donkey-hide gelatin cake begins to dissolve, and the color of the donkey-hide gelatin itself appears
Sesame and wolfberry have decomposed Come out
It will take about a minute to completely dissolve. The water turns black because of the color of donkey-hide gelatin. If gelatin is not dissolved so quickly
The raw materials are clearly visible
Donkey-hide gelatin tastes great after all the ingredients are dissolved!
Question 7: How to distinguish the authenticity of Dong'e donkey-hide gelatin cake? Donkey-hide gelatin cakes are available in many modern forms, the main ones being vacuum-packed solid cubes of about 10 grams. Qianyanjiaoyu donkey-hide gelatin cake, its basic ingredients are donkey-hide gelatin, walnuts, black sesame seeds, rock sugar, and rice wine. Other companies have added suitable Chinese medicinal materials or ingredients such as roses, red dates, and wolfberries to make donkey-hide gelatin cakes with slightly different tastes. The nutritional value of blood-enriching cakes is also focused on.
Question 8: How to identify the authenticity of Shandong donkey-hide gelatin cake? The easiest way to identify donkey-hide gelatin cake is to put the donkey-hide gelatin cake in water and see if it melts in the water.
Because the real donkey hide gelatin cake is soluble in water
The fake one is not. This is the simplest and most effective method. If you want to know more, you can contact me
Prestige Communication
Question 9: How to distinguish the authenticity of Gongbao donkey hide gelatin cake? Genuine donkey-hide gelatin is tan or brown-black, with a flat shape, smooth and shiny surface, and the edges are translucent when viewed against the light; fake donkey-hide gelatin is usually jet black, has no luster, and the surface is not smooth or even has holes;
Second, break it with your hands. The genuine donkey-hide gelatin has a brittle and hard texture, will not bend when broken, is easy to break, and has no pores in the cross section; while the fake donkey-hide gelatin has a texture that is not brittle, easy to bend, and difficult to break. It is sticky and can be bonded after breaking, and the cross section sometimes has cracks. Small holes;
The third is the smell. Genuine donkey-hide gelatin has a slight soybean oil fragrance and feels refreshing and slightly sweet, while fake donkey-hide gelatin has a strong fishy smell.
In addition, there is a little tip. After smashing the donkey-hide gelatin, put it into a cup and add some boiling water, then close the lid and let it sit for a few minutes before opening. The genuine donkey-hide gelatin will be clear, while the fake donkey-hide gelatin will be turbid or even emulsion-like. .
For information about the contraindications, side effects, suitable groups of people, taking methods and time, diet and health care of donkey-hide gelatin, you can go to "Dongye Shijiao Pinshan Tang" to have a look. Taking donkey-hide gelatin for your health will be helpful. of!