Crayfish is a common food in life. Proper consumption can bring many benefits to the human body, but there are also many things to pay attention to. So do crayfish have parasites? Do crayfish have parasites? Xiaolongai may contain parasites, so it needs to be sterilized by high temperature before consumption. There are also many things to pay attention to in the diet. Let’s learn more about the details below.

1. Does crayfish have parasites?

Crayfish have parasites. At present, there are relatively few wild crayfish on the market. Most of them are edible shrimps raised in fresh water. Compared with wild shrimps, the parasite content is relatively low. However, due to their messy diet, they also contain certain parasites. In addition to external Stains can carry parasites, and shrimp heads also contain a lot of parasites.

2. What parasites do crayfish contain?

Crayfish live in freshwater environments. The parasites they contain are mainly paragonimiasis, and of course also contain some other linear worms. and roundworms, these parasites originate primarily from the algae feed of crayfish. Most of them can be completely killed at temperatures above 50 degrees, and higher temperatures are required to kill paragonimiasis.

3. What are the symptoms of paragonimiasis infection?

If a person is infected with paragonimiasis, they may cough, expectorate, and be bloody or rust-colored. If there is secondary infection, the sputum will be purulent and accompanied by chest pain. In addition, due to the migratory characteristics of the parasite, it can migrate and parasitize organs other than the lungs. If it enters the brain, it can cause headaches, epilepsy, vision loss, etc., and if it enters the spinal cord, it can cause difficulty in urination.

4. How to remove parasites from crayfish

Soak the parasites on the surface of crayfish with salt water, vinegar water or low-concentration wine for two hours, and then use a small brush to fully remove them. Brushing can remove most of the parasites, and the head and stomach of crayfish contain a large number of parasites. Cut off the head before cooking, and fully cook it at high temperature, which can completely remove the parasites and eggs. Eat with confidence.

5. Precautions for eating crayfish

1. Most of the heavy metals and parasites in crayfish are contained in the head and surface. Therefore, the crayfish head cannot be eaten before cooking. Sufficient scrubbing is also required.

2. Most of the crayfish in the market are farmed and relatively safe, while wild crayfish contain a large number of parasites and are not suitable for consumption.

3. Crayfish is a hot food, and it is not very hygienic. Just taste the taste and it is not advisable to eat too much.

6. Precautions for eating shrimp

1. The shrimp thread on the back of the shrimp is the unexcreted waste of the shrimp. If you eat it, there will be a muddy smell in your mouth, which will affect your appetite, so should be removed.

2. Try not to buy shrimps that are red in color, soft in body, and have turned heads and are not fresh. You must not eat spoiled shrimps.

3. Pay attention when eating shrimps with some fruits at the same time. Shrimps are rich in protein, calcium and other nutrients. If eaten with fruits containing tannic acid such as persimmons, hawthorns, pomegranates and grapes, not only It will reduce the nutritional value of protein, and the combination of tannic acid and calcium to form calcium tannate will irritate the gastrointestinal tract and cause discomfort, such as vomiting, dizziness, diarrhea and abdominal pain.

4. It is best not to drink a lot of beer when eating seafood, because it will produce too much uric acid and cause gout. When eating seafood, dry white wine should be paired with it, because the fruit acid in it has bactericidal and fishy effects.

5. The back of the shrimp is blue and black, which is a sign of freshness. Generally, shrimps with hard shells, intact heads, tough, curved bodies, and large sizes are more delicious.

6. People who are allergic to shrimp or suffer from allergic diseases, such as allergic rhinitis, atopic dermatitis, and asthma, should eat with caution.