In autumn and winter, smog weather increases again. Do you want to buy 2 kg of pig blood to remove dust?
RuMao drink blood, actually quite cool.
Blood is the lifeblood of animals, maintaining the survival of every cell. It is not only the exclusive property of vampires, but also the food favored by human beings. Blood sausage, blood pudding, blood cake, blood soup, blood tofu, hairy blood flourishing… There are countless dishes with animal blood as food materials at home and abroad.
Compared with meat and viscera, animal blood is of good quality and low price. Once regarded as leftovers in food materials, it can now be seen from Michelin restaurants to street stalls. Let’s see if it is unique in what.
What components does animal blood contain?
Animal blood and human blood are roughly the same in composition, both composed of blood cells and plasma. Take bovine blood as an example, the nutritional composition includes 80.9% water, 17.3% protein, 0.23% fat, 0.07% carbohydrate, 0.62% minerals and other trace components.
The protein and iron content of pig blood was the highest, 19.2 g and 44.9 mg per 100 g of pig blood. The protein content was not transfused to lean pork (10 ~ 17 g/100 g) and the iron content was not transfused to pig liver (22.6 mg/100 g).
Animal blood is a model of low-calorie and high-protein food. Inorganic salts such as calcium, phosphorus, potassium and sodium, as well as trace elements such as iron, zinc, copper and manganese, are also available.
Can animal blood remove dust?
The answer is: no.
This vague rumor can be put to rest.
First of all, the digestive tract and respiratory tract are two independent channels, and animal blood has no ability to absorb dust from respiratory tract across time and space. Animal plasma protein has nothing special and will not produce any new substances with dust removal function.
The folk saying of eating blood to remove dust originates from the fact that people eat pig blood and their stool is asphalt-like, which looks like dust in their bodies is discharged. In fact, the unabsorbed heme iron in animal blood combines with sulfide to form black iron sulfide under the action of gastric acid and intestinal bacteria, dyeing feces black.