Sodium nitrite

Sodium nitrite is industrial salt, which is a white opaque crystal, shaped like salt. Nitrite of sodium nitrite harmful to the human body, the blood can lower iron oxidized hemoglobin to methemoglobin, lose the ability to transport oxygen damage caused by tissue hypoxia. Nitrite is not only carcinogenic, but the intake of 0.2-0.5g can cause food poisoning, 3g to death. The nitrite is a food additive, from coloring, preservative, widely used in cooked meat, sausage and canned classes and other animal foods. In view of the nitrite to meat marinated with a variety of useful functions, now the world is still allowed to use it to cured meats, but the amount is strictly limited.