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  • Title: Nitrite inhibition of Clostridium botulinum: electron spin resonance detection of iron-nitric oxide complexes.
    Author: Reddy D, Lancaster JR, Cornforth DP.
    Journal: Science; 1983 Aug 19; 221(4612):769-70. PubMed ID: 6308761.
    Abstract:
    Vegetative cells of Clostridium botulinum were shown to contain iron-sulfur proteins that react with added nitrite to form iron-nitric oxide complexes, with resultant destruction of the iron-sulfur cluster. Inactivation of iron-sulfur enzymes (especially ferredoxin) by binding of nitric oxide would almost certainly inhibit growth, and thus is probably the mechanism of botulinal inhibition by nitrite in foods.
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