How to prevent nitrite poisoning?

Nitrite refers to sodium nitrite, potassium nitrite, calcium nitrite and other chemicals. Nitrite can interfere with the ability of human and animal red blood cells to carry oxygen, if excessive consumption can lead to systemic hypoxia, skin and mucous membranes present varying degrees of cyan purple, severe irritability, lethargy, unresponsiveness, loss of consciousness, convulsion, coma, respiratory failure and even death, which is nitrite poisoning.

Nitrite poisoning events occur every year, nitrite is the chemical that causes the most poisoning and the most death, 0.2 grams can cause poisoning, and poisoning occurs quickly, symptoms can appear in 10 minutes after consumption, and death can occur in 2 hours, the speed and severity of poisoning is related to the amount of nitrite consumption. Methylene blue is a specific antidote for nitrite poisoning. Depending on the severity of the poisoning, it is necessary to detoxify methylene blue and the required dose.

The following points should be done to prevent nitrite poisoning

1. Nitrite poisoning is mainly caused by ingestion, because nitrite is a white powder, the appearance is very similar to salt, and it is easy to be used as salt, resulting in poisoning; Secondly, due to the non-standard operation of food practitioners, not strictly in accordance with the prescribed amount of use, resulting in high nitrite content in food, resulting in poisoning; In addition, nitrite widely exists in nature, rotten vegetables and leftovers may contain high nitrite, if a large number of consumption can also cause poisoning.

(2) Sodium nitrite and potassium nitrite are food safety standards allowed to use food additives (used as colorants and preservatives), so that food to maintain a good appearance and appropriate shelf life, but because nitrite is more likely to cause food poisoning, so must be used in strict accordance with the prescribed dosage for meat food, not excessive, excessive use of sodium nitrite and potassium nitrite.

3. Strengthen the management of nitrite, and do not illegally manufacture and sell nitrite; The catering industry should strengthen its own management, and must not purchase, preserve and use nitrite in violation of regulations; Strengthen publicity, do not eat condiments and additives of unknown origin; Vegetables should be properly stored, do not eat rotten vegetables; Store leftovers properly and eat them as soon as possible, not for a long time.

4. After poisoning, stop eating suspicious food immediately and seek medical attention in time. Symptomatic treatment and methylene blue treatment should be given according to the severity of symptoms. People who have eaten the same food but have not become ill should also take measures such as vomiting as soon as possible.