Is adding "toxic" potassium ferrocyanide to salt harmful to health?

Salt has been an indispensable condiment in our lives since ancient times, but it is also closely related to chronic diseases in our lives. If you look at the composition list, you can find a substance-potassium ferrocyanide, which is recently circulated as "toxic". Is it true?/You don't say. Potassium ferrocyanide, commonly known as potassium xanthate, is a light yellow crystalline particle, which is added to salt as an anti-caking agent. In the national food safety standard "Standard for the Use of Food Additives", it is clearly stipulated that the maximum dosage of potassium ferrocyanide per 1 kg salt is 10 mg.

Is potassium ferrocyanide harmful to health?

1. Potassium ferrocyanide and potassium cyanide have similar names, but they are completely different. Potassium cyanide is a highly toxic substance, and its toxicity is cyanide. But generally speaking, potassium ferrocyanide cannot be hydrolyzed because of the presence of ferrous ions, and potassium cyanide can only be decomposed when the temperature reaches 400 degrees Celsius.

2. The lifetime safe dose of potassium ferrocyanide is 0.025mg/kg body weight. If it is harmful to health, adults should consume 1.5mg every day, which is equivalent to eating 1.50g of salt every day. Normal people's daily salt intake is 6g. If it reaches 20g, it is already salty.

Therefore, any safe food, if overdosed, is a burden to the body, and we should not talk about toxicity regardless of the dose. Just like shrimp and vitamin C poisoning before, many people were scared, but it was also about toxicity regardless of dosage. On weekdays, we should control smoking scientifically, such as replacing some salt and soy sauce with flavoring agents such as vinegar and lemon juice, and choosing some natural "delicious" foods, such as tomatoes, green peppers and sweet potatoes. Choose low sodium salt and try not to eat pickled food.

Answering questions for health, the most hand-painted doctor in the nutrition industry (WeChat official account: Wang Xia Prajna)