Abstract: Recently, another piece of news about food safety has entered people's experiments. This time the protagonist is "glue-injected shrimp". What are glue-injected shrimps? How to identify gelatin-injected shrimp? What are the dangers to the human body if eating glue-injected shrimps? After reading the information collected by the editor, I believe you will know what plastic-injected shrimp is. The most important thing is to know how to identify plastic-injected shrimp. Are glue-injected shrimps alive? How to identify glue-injected shrimps
How to identify glue-injected shrimps? Experts say this
First, directly determine whether they are "injected glue" through senses such as the naked eye. "Gel-injected shrimp", it is illegal to add substances other than the shrimp itself to the shrimp; secondly, according to the different melting points of gelatin, agar and other substances that may be added to the "gel-injected shrimp", heating or boiling can be used. methods to identify whether there are illegal additives in shrimp; third, organize experimental laboratory testing.
How to identify plastic-injected shrimp netizens say this
1. If the shrimp is spread over 15 centimeters, just secretly peel off the second and third sections of the shrimp. If you see If there is a transparent jelly-like viscous substance, then you need to be careful. The oversized shrimps are all sea shrimps, which are usually fished from deep sea and long distances. Then they will not look particularly good and will turn around. If you see that each shrimp is firm and looks plump, 80 means it is glued.
2. "Gelatin-injected shrimp" is a transparent gel between the shrimp head and body. The gelatin-injected shrimp is very clear in color, large in size, and feels fleshy to the touch. Porcelain is relatively solid, but when you clean it, you will find that the shrimp heads are particularly bulging and easy to peel off. There is an obvious translucent jelly-like object inside the shrimp heads, just like glue.
3. The shrimp heads tend to swell greatly after being injected with glue. After the shrimp body is injected with glue, the shrimp body has a strong rebound force when pressed by hand, and there is no sinking feeling, and the joint between the shrimp head and the shrimp body is easy to peel off. When purchasing, citizens can also break off a few shrimp heads and peel off the shrimp shells to observe carefully. If the shrimp meat is transparent and bright with little translucency, it is generally fine. If you find a sticky jelly-like substance, be careful.
How to identify plastic-injected shrimp? What is plastic-injected shrimp?
Understanding the production process of plastic-injected shrimp can better identify plastic-injected shrimp
The industrial and commercial department disclosed The entire glue injection process: Unscrupulous traders purchase large quantities of farmed shrimp from the market at prices ranging from 17 yuan to 20 yuan per catty. Dissolve the preservative powder in warm water according to a certain proportion, press the glue into the spray gun through the water pump, then insert the needle on the spray gun into the shrimp head, press the switch of the spray gun, and the "glue" will soon be injected into the shrimp head, etc. After the "glue" cools and solidifies in the shrimp heads, it is ready for sale.
Why do plastic-injected shrimp appear?
A wholesaler said: "Because frozen shrimp will become thin and shriveled after thawing, and the weight will also decrease, so the more popular method now is to Injecting gelatin into the shrimp heads and abdomen can not only increase the weight of the shrimp, but also prevent the shrimp heads from being dented. "How can the shrimps be so soft after being frozen for so long?" As long as it looks particularly tough, it is 100% made of gelatin."
Is it harmful to eat gelatin-injected shrimp?
Liu Huiping, director of the Tianjin Fisheries Society, said: "Even if the shrimp is injected with edible gelatin, it is not harmful. Maybe gelatin itself is not toxic, but who can guarantee that the injection process is sterile? " Cui Chunming, deputy director of the Tianjin Municipal Health Supervision Institute, said: "There is no need for testing, and the naked eye can tell whether something is injected, no matter what it is. , are not allowed, otherwise it is adulterated and is illegal.” He said that there are many types of glue at present, and if industrial glue is added, it may contain heavy metals and carcinogens. Gelatin itself may be harmless, but vendors definitely don't just inject gelatin, but add a chemical to the gelatin for preservation.