Nutritionists say

Middle-aged and elderly people, especially women, should eat more seafood, seafood in the unsaturated fatty acids can make the blood reduce low-density cholesterol, but also to resist blood coagulation, which reduces the chances of the elderly suffering from coronary heart disease, hypertension and stroke. Experts believe that pregnant and breastfeeding women should eat less seafood, up to 1-2 times a week, with less than 100 grams each time, and should not eat tuna, swordfish and other marine fish with high mercury content.

Raw seafood attention to hygiene experts emphasized that if you have to eat raw seafood, must pay attention to hygiene, it is recommended that the best consumption of seafood before the 4 ℃ environment in the refrigerator for 1-2 hours, and then soaked in lightly salted water, in order to achieve the purpose of sterilization.

Cooking seafood should be a good time, should not be steamed too long, otherwise not only affect the taste, but also reduce the nutritional value. It should also be noted that after the live fish is killed, should not be immediately steamed, it is best to over 15 minutes, wait until the muscles of the fish become soft and then do.

With other food with taboos

Drugs with taboos, food is also, seafood is no exception. Eating seafood should not drink beer, which is likely to lead to a sharp rise in blood uric acid levels, inducing gout. Seafood should not be eaten with fruits rich in tannins such as persimmons, grapes, etc., if you want to eat should be at least two hours apart, because the tannins will destroy the high-quality proteins in seafood, greatly reducing the nutritional value of seafood.

Seafood containing excessive amounts of mercury in the news has been frequently reported recently, so that many people's hearts drumming: in the end, can we still eat seafood? Nutrition experts in the United States that seafood, including fish, shrimp, crab, shellfish, should still be an indispensable part of people's daily meals.

Nutritionist Dr. Rick Slaughter published the article in the latest Journal of the American Medical Association. He said middle-aged and older people, especially women, should eat more seafood, preferably making sure they have 100 grams two to three times a week. The unsaturated fatty acids in seafood can reduce the amount of low-density cholesterol in the blood, as well as resist blood clotting, thus reducing the chances of coronary heart disease, high blood pressure and stroke in the elderly.

But some people really should eat less seafood. The mercury content of seafood is getting higher and higher, and pregnant and breastfeeding women who eat seafood regularly (meaning more than four times a week, with more than 100 grams each time) can affect the neurological development of fetuses and newborns, and some of the symptoms don't show up until the child is 7 years old, or even 14 years old and later. Experts believe that pregnant and breastfeeding women should eat less seafood, up to 1-2 times a week, less than 100 grams each time, and should not eat tuna, swordfish and other marine fish with high mercury content.

Patients suffering from gout, arthritis and hyperuricemia should eat less seafood. Because of the high purine content in seafood, patients eat easy to form uric acid crystals in the body, aggravating the condition. In addition, patients with hyperthyroidism should eat less seafood, because seafood is high in iodine, too high iodine will also aggravate the condition.

Eating raw seafood and paying attention to hygiene

Many places are popular for eating raw seafood, such as raw oysters and other shellfish. Experts emphasize that if you have to eat raw seafood, you must pay attention to hygiene, most of the seafood contains highly pathogenic bacteria, it is best to eat before the seafood in the 4 degrees Celsius environment in the freezer for 1-2 hours, and then soaked in fresh salt water, in order to achieve the purpose of sterilization.

Cooking seafood should be a good time, should not be steamed for too long, otherwise not only affect the taste, but also make the protein denaturation, reducing the nutritional value. It should also be noted that live fish is killed, should not be immediately steamed, it is best to wait 15 minutes, until the muscle of the fish soften before doing so, which is conducive to the decomposition of proteins into amino acids, easy to be absorbed by the human body, the flavor and texture is also the best.

Matching taboos with other foods

There are matching taboos between drugs and food, and seafood is no exception. Eating seafood should not drink beer, which is likely to lead to a sharp rise in blood uric acid levels, inducing gout, so that gouty nephropathy, gouty arthritis and so on.

Seafood should not be eaten with fruits rich in tannins, such as persimmons, grapes, etc., if you want to eat should be at least 2 hours apart, because tannins will destroy the high-quality proteins in seafood, greatly reducing the nutritional value of seafood.

Sea fish head rich in the mineral arsenic, arsenic is 5-valent state (As5 +) when non-toxic, but in a large number of vitamin C will be converted to toxic 3-valent arsenic (As3 +) state, its toxicity is equivalent to arsenic, so you should avoid taking vitamin C pills before and after eating sea fish within 2 hours. However, moderate amounts of vitamin C-containing vegetables and fruits (meaning less than 500 grams) are not toxic when eaten with marine fish.

Raw seafood and river food beware of disease from the mouth

Experts: raw seafood and river food beware of disease from the mouth Morning News raw seafood, river food, although delicious, but a variety of parasites can not be prevented. Recently, the data from the Shanghai municipal parasitic disease prevention and control department once again sounded the alarm that the number of people suffering from parasitic diseases due to eating raw seafood is increasing, the first half of this year compared with the same period last year increased by 30%.