Introduction: oilfish and cod look very similar, but are not the same species. Oil fish contains very high oil, will make people eat the food will accumulate in the intestinal tract, abdominal pain, diarrhea, gastrointestinal cramps and other uncomfortable symptoms. Especially not suitable for children and the elderly to eat, and cod as a big name of healthy ingredients, in many supermarkets, markets can see its figure. But there are consumers reflected, after eating cod fish body discomfort. So today I want to share the topic is, how to distinguish between cod and oil fish.

A, what is cod? What is oil fish?

Cod is living in the bottom of the ocean as well as the deep sea in the lower layer of cold water fish, and all over the world's oceans. Cod's meat is delicious and rich in nutrients, and it can promote blood circulation, stop bleeding, replenish blood, cure foot fungus, and cod's pancreas contains a large amount of insulin, which can alleviate high blood sugar. And people will be cod liver for the extraction of cod liver oil, cod protein content than salmon, crucian carp, pompano, scallops are much higher, but the fat content is relatively low. Containing amino acids necessary for the development of children, it is very easy to be digested and absorbed by the human body, and can provide a variety of vitamins for the human body, known as the gold of the sea. Oilfish, also known as spring fish, is found in tropical and temperate oceans. Moreover, oilfish belongs to deep-sea fish and has more than 40% wax esters. Because the human body has no way to digest and absorb wax esters, it will cause intestinal irritation, abdominal pain and diarrhea. Because of the sweet taste of oil fish, the nature of flat, can replenish qi and stop bleeding.

Two, what is the difference between cod and oil fish?

The skin of cod's spine is greenish-black, the abdomen and spleen and lungs are white or grayish-white, and the fish scale pattern is fine, the meat is delicate, while the skin of oil fish is grayish-black, the color is deeper, presenting a grid of fish scale pattern, and the meat is hard, and very rough. In terms of taste, cod melts in the mouth, is soft and flavorful, while oilfish is hard and rough. Cod is more expensive, usually about 80 yuan per catty, while the price of oil fish is relatively inexpensive.