Elderly people should eat more squid for spring health care

　　According to data from the Ocean Branch of the China Fisheries Association, squid and cuttlefish have the advantages of high protein, low fat, and low calories. The fat content of squid is only about 4% of that of ordinary meat, and its calories are far lower than that of meat.

　　It is not only rich in protein, calcium, phosphorus, iron, and trace elements such as calcium, selenium, iodine, and manganese, but also rich in DHA (commonly known as brain gold), EPA and other highly unsaturated fatty acids. In addition, the large amount of taurine contained in the meat can effectively reduce the accumulation of cholesterol in the blood vessel wall. It is very effective in preventing the hardening of the arteries and the formation of gallstones. It can also supplement brain power and prevent Alzheimer's disease. Therefore, it is easy to suffer from cardiovascular disease disease of elderly Generally speaking, squid is beneficial healthy food.

　　The membrane is fresh only when it is elastic

　　When talking about squid, many people often think of shredded squid and grilled squid. In fact, its edible range is quite wide, and it can be eaten dried or fresh. Italian squid rings and squid slices, and Japanese squid rice and squid noodles are all very classic ways to eat.

　　When buying fresh squid and cuttlefish, the way to judge whether it is fresh is to press the membrane on the fish body. The membrane of fresh fish is tight and elastic; you can also pull the fish head. The head of fresh fish is closely connected with the body and is not easy to tear off. It should be noted that squid must be cooked before eating, because it contains a polypeptide component that can cause gastrointestinal disorders if eaten before being cooked thoroughly.

　　How to choose squid and dried cuttlefish? First, judge its softness and hardness. Good-quality dried fish is soft, not stiff, has a complete and solid body, and has plump meat; it feels dry and hard to the touch. It has generally been left for a long time and tastes tasteless. Second, look at the color. High-quality dried fish is slightly translucent red with no mold spots. Young squid is light yellow in color, transparent and thin, while old squid is purple-red in color and large in size.

　　It should be noted that many pure white dried fish on the market have been bleached with bleach, or although they are not white, the color does not look natural. This is reprocessed by the manufacturer in order to prevent corrosion or maintain softness. It will threaten human health, so be careful when purchasing.

　　Squid is suitable for the elderly, cuttlefish is nourishing female

　　Cuttlefish is an ideal health food for women. Li Shizhen called cuttlefish a "blood-separating medicine" and a good treatment for women. anemia , a good medicine for blood deficiency and amenorrhea. Eating cuttlefish is beneficial to women in all stages of their lives, including menstruation, pregnancy, childbirth, and lactation. It has the effects of nourishing blood, stimulating menstruation, preventing miscarriage, promoting labor, stopping bleeding, and promoting lactation. Cuttlefish contains 13 grams of protein per 100 grams and only 0.7 grams of fat. It also contains carbohydrates, vitamin A, B vitamins, calcium, phosphorus, iron, riboflavin and other substances necessary for the human body. It is a high-protein and low-fat nourishing food.

　　Professor Wang Cunxin from the Institute of Oceanography, Chinese Academy of Sciences, said that cholesterol can be divided into low density and high density. The cholesterol in squid is mainly high density, which is beneficial and harmless to the human body. The structure of the fat in squid is obviously different from that of livestock and poultry. The cholesterol in the body is mostly concentrated in its internal organs. The edible part of squid does not contain high cholesterol. There is no need to worry about increased cholesterol intake due to eating squid. Therefore, for people who are afraid of getting fat, eating squid is a good choice.