Where Does Sulfite Come from?

Sulfites, also commonly called sulfur dioxide, are chemical compounds that contain the sulfite ion. They are found naturally in a variety of food sources, including black tea, peanuts, eggs, and fermented foods. They are also used as a preservative in many foods.

What are sulphites made from?

Possible sources of sulphites
  • Alcoholic/non-alcoholic beer, cider, wine.
  • Apple cider.
  • Baked goods.
  • Bottled lemon and lime juice/concentrate.
  • Canned/frozen fruits and vegetables.
  • Cereal, cornmeal, cornstarch, crackers, muesli.
  • Condiments.
  • Deli meats, hot dogs, sausages.

Where is sulfite found?

Sulfites are natural or added chemicals in some foods and drinks to enhance flavor. They are mostly found in processed foods, but they can also occur naturally in the process of making beer and wine. They're also used in some medications to increase shelf life.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.