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The topic of sulfite food and beverage additives covers the application of sulfites in food chemistry. "Sulfite" is jargon that encompasses a variety of materials that are commonly used as preservatives or food additive in the production of diverse foods and beverages. Although sulfite salts are relatively nontoxic, their use has led to ...
The sulfite ion is the conjugate base of bisulfite. Although its acid (sulfurous acid) is elusive, [1] its salts are widely used. Sulfites are substances that naturally occur in some foods and the human body. They are also used as regulated food additives. [2] When in food or drink, sulfites are often lumped together with sulfur dioxide. [3]
Sulfites occur naturally in some foods and drinks, while they are added to others. Sulfites help keep food, drinks, and medications from spoilage or discoloration.
Similar to the cosmetic industry, the European Commission requested the European Food Safety Authority (EFSA) to review and determine if the use of sulfites as food additives was still safe in light of new scientific technology and information. Since sodium bisulfite is a known sulfonating compound, it underwent the experimentation.
The Cola Flavoring contained undeclared sulfites, preservatives that can cause allergic skin reactions, digestive issues, and asthma in people with sulfite sensitivity, according to Cleveland Clinic.
In the meantime, sulfite accumulates can decompose sulfur dioxide and also have certain stimulation to lungs. [19] Therefore, some people are urging that sulfur dioxide be banned as a preservative and food additive, in wine and other food and beverages. [10]
"Sulfites are substances that may be added to certain drug products as preservatives, to help prevent the active drug ingredient from breaking down and becoming less effective," the regulator said.
Sodium metabisulfite, despite not being flammable, decomposes in 150 °C of heat releasing toxic gasses when decomposed. It is corrosive when dissolved in water. Some people who are sulfite sensitive may experience an allergic reaction to sodium meta bisulfite, sometimes severe, resulting in labeling requirements for food safety. [20]