is corn starch a sulfite
Sulfites also occur naturally in a number of foods such as maple syrup, pectin, salmon, dried cod, corn starch, lettuce, tomatoes, soy products, eggs, onions, garlic, chives, leeks, and asparagus (although at very low levels). Sulfites and asthma.odium metabisulfite is more potent than sodium bisulfite in its ability to release sulfur dioxide gas. The toxic effects of sulfites sensitivity include asthma, urticaria, Angioedema, abdominal pain, nausea, vomiting, diarrhea, seizures and anaphylactic shock resulting in death.