How to distinguish true from false donkey hide ass hide glue

The true or false donkey hide ass hide glue can be identified by observing the appearance, smelling the odor, testing the solubility, checking the product logo, detecting the ingredients, etc. The genuine donkey hide gelatin is hard, smooth in section, slightly fishy in smell, and slowly dissolves in hot water. The package has a regular batch number. The composition test shows that the donkey hide derived protein content meets the standard.

1. Observation appearance

The real donkey hide ass hide glue hide is usually regular rectangular or square, with neat edges and no burrs. The surface is dark brown and shiny, and translucent amber when viewed through light. The cross-section is smooth and delicate, without bubbles or impurities. Counterfeit products may have irregular shapes, dark or too light colors, rough and granular cross-sections, and some adulterated products may show obvious impurities or foreign objects.

2. Smell

Genuine donkey hide ass hide glue hide has a unique smell of glue, but the smell is mild and not pungent. After soaking in warm water, the smell is more obvious but no odor. The fake ass hide glue may have no fishy smell or pungent chemical smell. Some fake products using inferior raw materials will give off the smell of putrid grease or fishy smell, and the smell will be more obvious after high-temperature heating.

3. Test the solubility

The euhedral gum is hard and not fragile. Take small pieces and put them into hot water to dissolve slowly. The solution is light brown and will solidify again after cooling. Counterfeit products may dissolve quickly or be completely insoluble, with abnormal color of the solution, and cannot re solidify after cooling. Although some counterfeit products mixed with gelatin can solidify, their colloidal strength is significantly lower than that of the genuine ones.

4. Check the product identification

The package of regular donkey hide ass hide glue hide should be marked with the drug approval number, manufacturer, production date, ingredient list and other information. You can check the authenticity of the batch number through the website of the State Drug administration. Counterfeit products often lack necessary labeling, or use forged batch numbers. Some products with three no labels have rough packaging printing, and there are issues such as typos or incomplete information.

5. Testing Ingredients

Professional institutions can use high-performance liquid chromatography to detect the content of donkey hide derived protein, and genuine products should meet pharmacopoeia standards. Some counterfeit products may contain horse skin, pig skin, or gelatin, and testing shows that the characteristic peptide segments of donkey skin are missing. The family can use the burning method to preliminarily judge that the real ass hide glue has the smell of burnt hair when burning, the ash is white powder, the combustion smell of adulterants is abnormal, and the ash is black and caked.

When purchasing donkey hide ass hide glue hide, it is recommended to choose a regular pharmacy or medical institution, keep the purchase voucher, and avoid purchasing through unknown channels. Daily storage should be placed in a cool and dry place to prevent moisture and deterioration. Before taking it, pay attention to observing for any mold or odor. People with allergies should be cautious when using it for the first time. If long-term use is required, it is recommended to adjust the usage according to the constitution under the guidance of a traditional Chinese medicine practitioner, and combine it with other medicinal herbs to enhance the therapeutic effect. Traditional ass hide glue needs to be taken after the closing of yellow rice wine. It can be added with walnut, black sesame and other ingredients to make a paste, which can improve the taste and enhance the nourishing effect.