2. Perch can also treat fetal movement and hypogalactia. It is a nutritious food for expectant mothers and pregnant women to eat perch, which can not only nourish the body, but also not lead to obesity due to overnutrition. It is a good product for strengthening the body, enriching blood, invigorating spleen and benefiting qi, and benefiting health. Perch is mostly steamed to keep its nutritional value.
3. The blood of perch contains more copper. Copper can maintain the normal function of nervous system and participate in the functions of key enzymes in the metabolism of several substances. People who lack copper can eat perch to supplement it.
Extended data:
Precautions for eating fish
1, the fish is too red and white to eat. Because of the different kinds of fish, there are red-fleshed fish such as tuna and white-fleshed fish such as hairtail, but if the color of fish is too bright red or bright white, it is probably the "credit" of dyes.
2, the head is "eight points big." The size of a fish determines its taste and safety. Too small, the fish has not grown up and matured, the meat is not tender enough, and fishbones will come out. Too big means that the fish is old and the meat is rough, and many harmful substances may accumulate in the body. Therefore, it is more appropriate to buy fish with the size of "eight points". For example, 1.5 kg is suitable for carp and Wuchang fish, 0.5 kg ~ 1 kg for crucian carp and 4~5 kg for grass carp.
3. Don't buy fisheyes with muddy and collapsed gills. When buying "chilled fish", you should first observe its eyes and gills. Fresh fish have full eyeballs, clear corneas and bright gills. Secondly, the eyeball of fresh fish is not full, the cornea is wrinkled and slightly turbid, and sometimes the bleeding in the eye is red, and the gills are dark gray-red or gray-purple. Rotten fish eyes collapse or shrivel, cornea atrophy or rupture, and gills are brown or grayish white.
Now kill the live fish and put it in to eat. The quality of freshly slaughtered fish is not the best, because fish will have a process of "acid discharge" and it will take some time to be more delicious. Small fish such as grass carp and silver carp should be refrigerated immediately and cooked after 2 hours; Big fish need to be refrigerated for more than 2 hours.
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