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Are potatoes poisonous when eaten raw?

1 Are potatoes poisonous when eaten raw?

Normally potatoes are not poisonous when eaten raw.

Potatoes are also called potatoes. The content of toxic substances in normal intact potatoes is very low. Eating them raw will not cause poisoning. However, it is not recommended to eat them raw. The starch content in potatoes is very high. When eaten raw, a large amount of Starch enters the intestines and stomach and is not suitable for digestion, which can easily cause bloating.

2 What kind of potatoes are poisonous

Normal yellow-skinned and purple-skinned potatoes are not poisonous, but potatoes whose skins turn green or have sprouted after being exposed to sunlight are poisonous. , because the content of solanine in potatoes is increased. Solanine is a highly toxic alkaloid. The content of solanine per 100 grams in sprouted or green potatoes can be as high as 500 mg. If you eat a large amount of such potatoes, it will May cause acute poisoning.

3 What to do if potatoes sprout

Complete and good potato pieces contain only trace amounts of solanine. Potatoes that sprout or turn green after exposure to light have a high content of solanine. If purchased potatoes sprout, it is best to discard them and do not eat them.

If you really need to eat it, you can dig out the bud eyes and potatoes near the bud eyes, cut into thin strips, soak and rinse in clean water multiple times, add vinegar when cooking, and increase the cooking time to reduce the amount of nightshade. toxic effects of toxins.

4 Dangers of Eating Raw Potatoes

In addition to solanine, potatoes also contain potato lectin, which is a glycoprotein lectin that is not toxic but will react with blood. The protein reacts, causing blood agglutination. Can be degraded by pepsin. However, if a large amount of lectin is ingested at one time, pepsin will not completely degrade it and it will enter the intestines.

1. Cause allergic reactions: part of the lectins will combine with the duodenal mucosa and interfere with the intestinal mucosal immune system, and part of it will be absorbed by the intestinal villi and enter the blood circulation system, causing an immune reaction in the body;

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2. Lead to malnutrition: Residual lectins in the digestive tract can cause excessive growth of bacteria such as Escherichia coli in the intestine, causing damage to the small intestine and malabsorption of nutrients.

3. Cause toxic effects: When the amount of residual lectins in the body is too high, it will cause toxic effects, such as nausea, vomiting, abdominal pain, diarrhea, abdominal distension, headache, dizziness and other neurological symptoms.