Not poisoned, Wuhan Food and Drug Administration expert Kang Kang sister said, shrimp poop in the back of the black line, because this black line is their digestive tract. So it's only right to remove the threads when you eat them.

However, if you don't pay attention and eat the shrimp threads, it's not a big deal. After all, it's a cooked shrimp, cooked at high temperatures, which is equivalent to the residue in the digestive tract, which is sterilized at high temperatures, and has no significant impact on human health.

Extended information

Shrimp eating taboo: shrimp avoid eating with some fruits. Shrimp is relatively rich in protein and calcium and other nutrients, if they contain ellagic acid and fruits, such as grapes, pomegranate, hawthorn, persimmons, etc., not only will reduce the nutritional value of protein,

And ellagic acid and calcium combined with the formation of calcium ellagic acid will stimulate the intestines and stomach, causing discomfort, vomiting, dizziness, nausea and abdominal pain, diarrhea and other symptoms. Seafood and these fruits eaten together, should be at least 2 hours apart.

Shrimp skin is rich in calcium, but also contains a kind of animal fiber known as chitin, which is a kind of polysaccharide, can not be digested and absorbed by the human body, after chemical treatment and dissolve it in water can be made into health food chitosan.

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