1. Various seafood and meat products are important sources of nitrosamines. If you buy dried shrimps and store them for too long, they may produce a large amount of nitrites, which may lead to the formation of carcinogens after being eaten into the body. Production of amine nitrate;

2. If shrimp skin is stored at room temperature for too long, the protein will first become peptides and amino acids through the action of microorganisms, and then decompose into lower amines and ammonia, giving shrimp skin a certain Stimulating taste, low-level amines are not only toxic in themselves, but also easily combine with small amounts of nitrite in aquatic products to form nitrosamines, which are strong carcinogens. This type of substance is an important chemical factor that promotes the occurrence of esophageal cancer and gastric cancer. Nitrosamines are very toxic and have chronic toxicity, teratogenicity and carcinogenicity. It is also volatile and can cause toxic reactions when inhaled from the air.

It is recommended that after purchasing Shopee, store it in the refrigerator immediately and put it back in the refrigerator after use. This can greatly slow down the rate of protein decomposition, maintain a normal taste within two to three months, and reduce the risk of producing carcinogens.