what is nitrite used for
Nitrite is also important in biochemistry as a source of the potent vasodilator nitric oxide. In organic chemistry the NO 2 group is present in nitrous acid esters and nitro compounds. Nitrites are also used in the food production industry for curing meat.itrite is also important in biochemistry as a source of the potent vasodilator nitric oxide. In organic chemistry the NO 2 group is present in nitrous acid esters and nitro compounds. Nitrites are also used in the food production industry for curing meat.