It is understood that corn flavoring contains a nitrite - sodium nitrite, it is a harmful to the human body, can make the blood of low iron hemoglobin oxidation into high iron hemoglobin, lose the ability to transport oxygen and cause tissue hypoxia damage. Whereas, nitrite is a type of food additive that acts as a coloring and preservative and is widely used in animal foods such as cooked meats, enemas and canned foods. In view of the fact that nitrite has a variety of beneficial functions for meat curing, it is still allowed to be used for curing meat in countries all over the world, but the dosage is strictly limited.

General hazards of sodium nitrite are manifested as follows:

1, paralyze vasomotor center, respiratory center and peripheral blood vessels;

2, acute poisoning manifested as general weakness, headache, dizziness, nausea, vomiting, diarrhea, chest urgency and respiratory distress;

3, severe blood pressure drop, coma, death;

4, exposure to Workers hands and feet skin damage can occur. Flavor is a synthetic concentrated aromatic oil with a natural fragrance odor. As an artificial spice, flavoring is often used by anglers as an additive to the bait, using the sweet scent of the flavoring's natural fruits to improve the flavor of the bait, thus stimulating the fish to open their mouths to feed and increase the effect of attracting fish.