Side-by-Side Comparison
Food Additives & E-Numbers
E211: Sodium Benzoate (Acid Beverage Preservative) vs. E282: Calcium Propionate (Bread Anti-Mold)
Comparing 2 standards across 9 specifications. 8 key differences identified.
Comparing:
E211: Sodium Benzoate (Acid Beverage Preservative)
E282: Calcium Propionate (Bread Anti-Mold)
E211 (Sodium Benzoate) is the sodium salt of benzoic acid, highly soluble and active against yeasts and bacteria in acidic environments (pH < 4.5). INS 211, group ADI is 5 mg/kg bw/day, the standard antimicrobial in carbonated soft drinks and fruit juices.
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
|
E211 | E282 |
|
INS / Codex Number
|
INS 211 | INS 282 |
|
Functional Class
|
Preservative (Antibacterial, Antifungal) | Preservative (Bakery Anti-Mold & Anti-Rope) |
|
Acceptable Daily Intake (ADI)
|
5 mg / kg body weight per day (as benzoic acid equivalent) | Not Limited (Quantum Satis) |
|
Chemical Formula
|
C7H5NaO2 | Ca(C3H5O2)2 |
|
Primary Mechanism
|
In acidic media, converts to lipophilic undissociated benzoic acid which disrupts intracellular pH and anaerobic glycolysis in microbes | Propionate ion disrupts membrane transport in Penicillium molds and Bacillus mesentericus (rope bacteria) |
|
Common Target Foods
|
Acidic soft drinks, sparkling waters, salad dressings, jams, pickles, soy sauce | Commercial sliced white/wheat bread, hamburger buns, tortillas, pita bread |
|
Dietary Compliance
|
Vegan, Halal, Kosher | Vegan, Halal, Kosher |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (21 CFR 184.1733) | EFSA Authorized / FDA GRAS (21 CFR 184.1221) |
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