Sodium nitrate, also called saltpeter, is mined or synthetically produced and used as fertilizer, a food preservative in hot dogs and sausages, an ingredient in glass and ceramics. It was once of ...

Most of us are aware that food companies use additives to extend the shelf life of their products. But how many of us know what these preservatives are, and, more importantly, what they do to our ...

Most packaged foods you buy at the grocery store are made with additives to preserve freshness, maintain flavor, and prolong shelf life. But you may not know exactly how these additives affect your ...