Not necessarily alive. Also, if you close it with your hands after it opens and it is still open, it is alive.

In addition, we can also get closer and smell it. The dead mussels will have a rotten smell. Shake it with your hand. If it is empty, it means the mussel is dead. You can knock two shellfish against each other and listen to the sound. If the sound is solid, it means they are alive. If the sound is heavy and empty, it means they are stale.

Contraindications of green-mouthed clams

Patients with chronic diseases or skin diseases should eat with caution. Green-mouthed clams are cold in nature, so those with weak spleen and stomach should not eat more to avoid aggravating the deficiency. Cold symptoms include abdominal distension, diarrhea and other discomforts.

Patients with skin diseases should not eat mussels. The reason why patients with skin diseases cannot eat mussels is because the protein contained in mussels can act as an allergen and cause an allergic reaction to the body after entering the human body. , such as itching, rash, etc., or causing the original skin disease to relapse or worsen.

Contraindications for mothers and infants. Pregnant women should eat it. Green-lipped clams contain high levels of protein, iodine, calcium and iron. Appropriate consumption by pregnant women is beneficial to supplement nutrition and promote the healthy development of the fetus in the abdomen.

Infants and young children should eat with caution. Green-mouthed mussels are a cold food, which is not conducive to digestion and stimulates the gastrointestinal function. The baby's gastrointestinal function is not yet fully developed, so it must be eaten in moderation and not too much, otherwise it will affect the baby's digestive function.