Sulfite A space-filling model of the sulfite anion. Sulfites or sulphites are compounds that contain the sulfite ion (systematic name: sulfate (IV) ion), SO2− 3. The sulfite ion is the conjugate base of …

Oct 17, 2025 · Registered dietitians help set the record straight on what sulfites are, the difference between sulfites and sulfates, who should avoid sulfites, and common sulfite foods.

Dec 10, 2025 · A sulfite allergy or, more accurately, sensitivity is caused by a reaction to sulfites in foods and drugs. Learn more about the symptoms and foods to avoid.

Sulfite allergies and sensitivities are conditions that most often affect people with asthma. They can cause asthma attacks (wheezing, coughing or shortness of breath) or allergy symptoms (sneezing, …

Aug 3, 2024 · Learn about foods high in sulfites and their potential effects on health. Discover which foods contain sulfites, how to manage sulfite intake, and tips for safe consumption.

Oct 15, 2025 · Sulfite allergy occurs when your immune system is overly sensitive to sulfite. It can cause symptoms like itching, swelling, rashes, and cough.

Basically, if the food contains ≥ 10 ppm total SO 2, then sulfite must be declared on the label. This will most typically occur when sulfite is deliberately added to the food. The specific name of the additive …

Aug 14, 2022 · What Is Sulfite Sensitivity? Written by WebMD Editorial Contributors Medically Reviewed by Nayana Ambardekar, MD on August 14, 2022 1 min read

Sulfite is the name given to a class of commonly used preservatives that reduce spoilage, act as antioxidants, and prevent fruit and vegetable browning. They may be present in baked goods, …

Sep 15, 2025 · Sulfite | O3S-2 | CID 1099 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, …