Why are Sulfites in Wine?
Sulfur dioxide is a natural by-product of fermentation. All wine contains sulfites. This was a particularly good thing historically as wine did not spoil quickly prior to people understanding much about preserving food. The Romans used sulfur to preserve wine longer for transportation and storage. Additional sulfites are added to control the winemaking process and to preserve wine for aging. Any fine wine meant to be aged must have added sulfites as wine would spoil within 18 months without added sulfites. What are the Risks of Sulfites in Wine? A small number of people have serious sulfite allergies, estimates range from a quarter to a half of one percent. Most of those are asthmatics, yet only five percent of asthmatics are allergic to sulfites. Minor sulfite allergy symptoms include swelling, rashes, and breathing difficulties. If someone with sulfite allergies comes in contact with a concentrated amount the reaction can be very severe, including death. Because of the severity of th
