Side-by-Side Comparison
Food Additives & E-Numbers
E202: Potassium Sorbate (Soluble Antimicrobial) vs. E500: Sodium Bicarbonate (Baking Soda / Ins 500ii)
Comparing 2 standards across 9 specifications. 9 key differences identified.
Comparing:
E202: Potassium Sorbate (Soluble Antimicrobial)
E500: Sodium Bicarbonate (Baking Soda / Ins 500ii)
E202 (Potassium Sorbate) is the potassium salt of sorbic acid, offering 58% water solubility at room temperature. INS 202, group ADI is 11 mg/kg bw/day, widely utilized in beverages, syrups, and cosmetics to block yeast fermentation.
E500 (Sodium Carbonates / Sodium Bicarbonate NaHCO3) is a mineral salt leavening agent and pH buffer. INS 500(ii), ADI is Not Limited (Quantum Satis), decomposing under heat and acid to produce carbon dioxide bubbles that expand cakes, cookies, and pretzel crusts.
Specification Comparison Table
9 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E202 | E500 |
|
INS / Codex Number
|
INS 202 | INS 500(ii) (Bicarbonate) / 500(i) (Carbonate) |
|
Functional Class
|
Preservative (Water-Soluble Antifungal) | Raising / Leavening Agent, Acidity Regulator, Anti-Caking |
|
Acceptable Daily Intake (ADI)
|
11 mg / kg body weight per day (as sorbic acid equivalent) | Not Limited (Quantum Satis) |
|
Chemical Formula
|
C6H7KO2 | NaHCO3 (Sodium Hydrogen Carbonate) |
|
Primary Mechanism
|
Dissociates into sorbic acid in food matrix, blocking substrate transport in fungal cells | Thermal (>50°C) or acid neutralization releases CO2 gas: NaHCO3 + H+ -> Na+ + H2O + CO2 |
|
Common Target Foods
|
Fruit juices, carbonated beverages, table syrups, dips, yogurt drinks, wine finishing | Baking powders, cookies, cakes, pretzel alkaline dips, effervescent drink tablets |
|
Dietary Compliance
|
Vegan, Halal, Kosher Certified | 100% Vegan (Mineral Solvay process/Trona mining), Halal, Kosher |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (21 CFR 182.3640) | EFSA Authorized / FDA GRAS (21 CFR 184.1736) |
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