On June 6, 2010, CCTV exposed the practice of individual small businesses using cowhide, horsehide and other scraps as donkey skin to make fake donkey-hide gelatin. The National Drug Inspection Center tested the heavy metals in such shoddy donkey-hide gelatin. and other harmful substances exceeding the national pharmacopoeia limit by more than ten times. If you take this product, not only will it not have the nourishing effect of donkey-hide gelatin, but it will also greatly harm human health. How to identify the authenticity of donkey-hide gelatin has become a matter of close concern to consumers. Based on expert opinions, five tips are summarized 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 donkey-hide gelatin produced in Dong'e County, Shandong Province is the most authentic. 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 state-controlled listed companies. Donkey-hide gelatin, like other medicines, is a special commodity, and the registered trademark must be marked on the package, such as " Dong'e Ejiao", production company, factory address, approval number, functions and indications, etc. Currently, "Dong'e Ejiao" 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 an obvious concave and convex feel. Fake donkey-hide gelatin generally has rough printing on the outer packaging, often with typos, omissions, and registered trademark errors. If you put genuine and fake donkey-hide gelatin together, it will be clear at a glance. The third step: Check the authenticity of genuine donkey-hide gelatin packaging by tearing it open along the zigzag line on the left side of the front. A set of 16-digit anti-counterfeiting numbers can be seen. According to the instructions, you can make a call, write a text message or check online. , you can know the authenticity; some packaging boxes have a circular anti-counterfeiting label, scratch off the silver-gray coating in the center of the label, and you can call or text the label to check. Fake donkey-hide gelatin packaging is generally not a one-time tear-off package. Although there are anti-counterfeiting signs, almost all anti-counterfeiting calls cannot be answered or prompt for input errors. Step 4: Look at the product. Genuine donkey-hide gelatin is in the shape of a regular rectangle, with consistent size and thickness. The surface is smooth and bright, and the color is uniform. The product name is printed on the front, with clear fonts and a dark red color. There are two regular dividing lines on the back of the glue block. The quality is Hard and brittle, it will break with a little force when broken by hand; if the glue block is slapped on a hard object, it will break into several pieces, with a bright cross-section, no oil holes or pores; fake donkey-hide gelatin is generally black or obviously yellow in color, with many glue blocks. Irregular, with varying sizes and thicknesses, the surface is rough and dull, the product names on the front are printed with paint, pigments, etc., the characters are mostly bright red, the writing is blurry, skewed, and there are many cracks on the characters; the back is often without dividing lines , those with segmented channels are also irregular, most of them are hard but not brittle, some are bendable, not easy to break, not easy to break when beaten, the cross section is gray-black, not bright, with oil holes, pores, etc. Step 5: Smell the genuine glue block. When you first open the package, breathe lightly on the surface of the glue block and smell the faint fragrance of donkey-hide gelatin. After crushing the donkey-hide gelatin block, you will smell the unique fragrance of donkey-hide gelatin. Fake donkey-hide gelatin has no clear fragrance, but a fishy or strange smell.