Side-by-Side Comparison
Food Additives & E-Numbers
E282: Calcium Propionate (Bread Anti-Mold) vs. E338: Phosphoric Acid (Cola Acidulant)
Comparing 2 standards across 9 specifications. 9 key differences identified.
Comparing:
E282: Calcium Propionate (Bread Anti-Mold)
E338: Phosphoric Acid (Cola Acidulant)
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.
E338 (Phosphoric Acid / H3PO4) is a mineral inorganic acid providing a uniquely dry, tangy, astringent sourness. INS 338, group ADI is 40 mg/kg bw/day (as phosphorus), the quintessential acidulant in cola beverages and processed cheeses.
Specification Comparison Table
9 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E282 | E338 |
|
INS / Codex Number
|
INS 282 | INS 338 |
|
Functional Class
|
Preservative (Bakery Anti-Mold & Anti-Rope) | Acidulant, Acidity Regulator, Sequestrant, Emulsifying Salt |
|
Acceptable Daily Intake (ADI)
|
Not Limited (Quantum Satis) | 40 mg / kg body weight per day (Group ADI as phosphorus) |
|
Chemical Formula
|
Ca(C3H5O2)2 | H3PO4 (pKa1 2.15) |
|
Primary Mechanism
|
Propionate ion disrupts membrane transport in Penicillium molds and Bacillus mesentericus (rope bacteria) | Lowers beverage pH to ~2.5 with a clean, sharp, non-fruity tang; retards bacterial outgrowth |
|
Common Target Foods
|
Commercial sliced white/wheat bread, hamburger buns, tortillas, pita bread | Cola soft drinks, root beers, processed cheese melts, sports hydration drinks |
|
Dietary Compliance
|
Vegan, Halal, Kosher | Vegan (Mineral phosphate synthesis), Halal, Kosher |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (21 CFR 184.1221) | EFSA Authorized / FDA GRAS (21 CFR 182.1073) |
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