Generally speaking, hairy food refers to food that has irritating properties and tends to induce certain previous diseases and aggravate existing ones, so for people who are allergic to pig’s blood, pig’s blood belongs to the category of hairy food.
Nowadays, there is no clear concept of hairy food, usually hairy food refers to the food that has irritating properties and is easy to induce certain previous diseases and aggravate existing diseases. Therefore, common foods such as fish and shrimp, which are easy to induce allergies, are considered as hairy food.
For healthy people, pig’s blood is not irritating and generally does not cause allergic reactions. However, people who are allergic to pig’s foreign proteins may experience discomfort after consuming pig’s blood, and thus pig’s blood is considered a food for these people.
Pig’s blood is rich in protein, iron, calcium and other nutrients, and the iron in pig’s blood belongs to the easily absorbed divalent iron, healthy people can consume it 1~2 times a week in moderation, which can help prevent the occurrence of iron deficiency anemia.
It should be noted that after eating pig’s blood, the color of the stool may be black, which is a normal physiological phenomenon, no need to worry too much. Although pig’s blood is rich in nutrients, it should not be consumed too much, so as not to cause discomfort.