Sulfite
Sulfite
Sulfite (pronounced: /ˈsʌlfaɪt/) is a chemical compound that contains the sulfite ion. Sulfites are often used as preservatives in various food and drink products due to their ability to inhibit the growth of microorganisms and prevent browning.
Etymology
The term "sulfite" is derived from the Latin word "sulfur" or "sulphur", which means "brimstone". The "-ite" suffix indicates that the compound contains oxygen atoms.
Related Terms
- Sulfate: A related compound that contains the sulfate ion, SO4^2-.
- Sulfur dioxide: A gas that is often used in the production of sulfites.
- Preservative: A substance used to prevent the growth of microorganisms in food and drink products.
- Antioxidant: A substance that inhibits oxidation, a chemical reaction that can produce free radicals, leading to chain reactions that may damage the cells of organisms.
Health Effects
Sulfites are generally safe for most people, but they can cause adverse reactions in some individuals, particularly those with asthma. Symptoms of a sulfite reaction can include wheezing, shortness of breath, hives, and anaphylaxis.
Regulations
In many countries, foods and drinks that contain sulfites are required to be labeled as such. This is to help individuals who are sensitive to sulfites avoid consuming them.
External links
- Medical encyclopedia article on Sulfite
- Wikipedia's article - Sulfite
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