How to tell whether the flower nail is dead or alive, and the advantages and disadvantages of eating it?

1. A fresh flower nail will stick out its tentacles. If you touch it with your hand, it will retract immediately. The dead flower shell is closed, or the tentacles are extended but cannot be retracted, and the color is white.

2, live flower nails, you can add some salt to the water, put it for a while and it will spit out the sand inside. As for the dead flower armor, it can only be cooked and washed with meat, so as to wash off the sand.

3, touch the shell with your hand, you can close it immediately, it is alive. If the shell doesn't close, or the shell keeps opening, it's all dead mussels. There is another way to choose clams. You can take two clams and knock on each other's shells when you buy them. The sound is solid and fresh, and most of them are dead clams in their spare time.

The following are the disadvantages of eating flower nails:

1, which may cause diarrhea.

The flower nail is cold. Eating more flower nail at one time may lead to gastrointestinal insufficiency, affect digestive function, and be prone to vomiting, diarrhea and abdominal pain. If the flower nail is not completely cooked, it will eat parasites if eaten too much, which will seriously affect your health.

2. It may cause heavy metal poisoning.

Flower nails live in shallow water. If the shallow sea is polluted, the heavy metals in the flower shell may exceed the standard. Eating more of this flower nail may lead to the accumulation of heavy metals in the body, which may seriously affect the body, and may be manifested as infertility, memory loss, osteoporosis and increased cancer risk.

3, may cause allergies

Flower nails may also cause allergic reactions. When taking too much flower nail, it will aggravate the allergic symptoms of allergic people, resulting in rash and itchy skin. Redness, wheezing and even difficulty breathing. People who are allergic to flower nails had better not touch clams or other seafood.

The benefits of eating flower armour

1. Flower nail contains protein, fat, carbohydrate, iron, calcium, phosphorus, iodine, vitamins, amino acids, taurine and other ingredients. It is an ideal food with low calorie and high protein, which can prevent and treat chronic diseases of middle-aged and elderly people.

2. Flower nail meat contains Dieter 7- cholesterol and 24- methylene cholesterol, which can lower serum cholesterol. Both of them have the unique functions of inhibiting liver cholesterol synthesis and accelerating cholesterol excretion, thus reducing cholesterol in the body.

Extended data:

People who should not eat flowers:

1, which can be eaten by the general population, especially those with high cholesterol, hyperlipidemia, goiter, bronchitis, stomach diseases, etc.

2, patients with chronic diseases should be careful to eat, and those with spleen and stomach deficiency and cold should not eat more.

3, patients with skin diseases fasting. Because the protein contained in the flower nail can be used as an allergen after entering the human body, it can cause allergic reactions to the body, such as itching and lumps, or aggravate the recurrence of the original skin disease. Therefore, dermatologists regard seafood as one of the causes and ask some patients to avoid eating it.

People's Network-Huajia