Potassium Bisulfite
Also known as: Potassium Hydrogen Sulfite
AntioxidantsPreservatives
Safety rating
Use Sparingly
Eat Away!Generally SafeUse SparinglyAvoid
Purpose and Function
Potassium Bisulfite is a preservative and antioxidant preventing spoilage, oxidation, and browning, particularly effective in acidic environments like wine, cider, dried fruits, and seafood.
Commonly found in
- —Wine, cider, and fruit juices
- —Dried fruits and vegetables
- —Seafood
Key functions
- —Inhibits microbial growth and prevents oxidation/browning
Potential Risks and Side Effects
- 01Can cause allergic reactions, particularly in those with asthma or sulfite sensitivity — wheezing, difficulty breathing, hives
- 02Sulfite-sensitive individuals may experience headaches, nausea, or digestive discomfort
- 03Can degrade thiamine (vitamin B1) in treated foods