Side-by-Side Comparison
Food Additives & E-Numbers
E220: Sulfur Dioxide (Antioxidant & Wine Preservative) vs. E282: Calcium Propionate (Bread Anti-Mold)
Comparing 2 standards across 9 specifications. 9 key differences identified.
Comparing:
E220: Sulfur Dioxide (Antioxidant & Wine Preservative)
E282: Calcium Propionate (Bread Anti-Mold)
E220 (Sulfur Dioxide / SO2) is an inorganic gas dissolved in water to generate bisulfite and sulfite ions, providing potent antimicrobial and polyphenol oxidase enzyme-inhibiting properties. INS 220, group ADI is 0.7 mg/kg bw/day.
E282 (Calcium Propionate) is the calcium salt of propionic acid, the premier mold and 'rope' bacteria inhibitor in industrial yeast-leavened bakery goods. INS 282, ADI is Not Limited (Quantum Satis), preserving sliced bread for weeks without retarding yeast activity.
Specification Comparison Table
9 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E220 | E282 |
|
INS / Codex Number
|
INS 220 | INS 282 |
|
Functional Class
|
Preservative, Antioxidant, Enzymatic Browning Inhibitor | Preservative (Bakery Anti-Mold & Anti-Rope) |
|
Acceptable Daily Intake (ADI)
|
0.7 mg / kg body weight per day (as SO2 equivalent) | Not Limited (Quantum Satis) |
|
Chemical Formula
|
SO2 | Ca(C3H5O2)2 |
|
Primary Mechanism
|
Molecular SO2 penetrates microbial membranes; bisulfite (HSO3-) cleaves disulfide bonds in enzymes and binds acetaldehyde | Propionate ion disrupts membrane transport in Penicillium molds and Bacillus mesentericus (rope bacteria) |
|
Common Target Foods
|
Wines (Contains sulfites declaration >10mg/L), dried apricots, ciders, potato starch | Commercial sliced white/wheat bread, hamburger buns, tortillas, pita bread |
|
Dietary Compliance
|
Vegan, Halal, Kosher, Major Allergen Declaration Mandatory | Vegan, Halal, Kosher |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (21 CFR 182.3862 - Banned on raw produce) | EFSA Authorized / FDA GRAS (21 CFR 184.1221) |
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