Side-by-Side Comparison
Food Additives & E-Numbers
E306: Tocopherol-Rich Extract (Natural Vitamin E Antioxidant) vs. E503: Ammonium Bicarbonate (Baker's Ammonia / Hartshorn)
Comparing 2 standards across 10 specifications. 9 key differences identified.
Comparing:
E306: Tocopherol-Rich Extract (Natural Vitamin E Antioxidant)
E503: Ammonium Bicarbonate (Baker's Ammonia / Hartshorn)
E306 is a natural mixture of alpha-, beta-, gamma-, and delta-tocopherols steam-distilled from vegetable oils (soybean, sunflower). INS 306, ADI is Not Limited, serving as the gold standard lipid-soluble antioxidant in fats and oils.
E503 (Ammonium Bicarbonate / (NH4)HCO3) is a historic chemical leavening salt. INS 503(ii), ADI is Not Limited (Quantum Satis), decomposing 100% into gaseous CO2, ammonia, and water at temperatures >60°C to create ultra-crisp, airy crackers and cookies.
Specification Comparison Table
10 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E306 | E503 |
|
INS / Codex Number
|
INS 306 | INS 503(ii) |
|
Functional Class
|
Antioxidant (Lipid Peroxidation Inhibitor) | Raising Agent, Acidity Regulator |
|
Acceptable Daily Intake (ADI)
|
Not Limited (Quantum Satis) | Not Limited (Quantum Satis) |
|
Primary Mechanism
|
Free-radical scavenger donating phenolic hydrogen atoms to peroxyl radicals (ROO•), breaking lipid auto-oxidation chain | Thermal decomposition leaves zero residual water or alkali salts: (NH4)HCO3 -> NH3(g) + CO2(g) + H2O(g) |
|
Common Target Foods
|
Vegetable cooking oils, margarines, infant formula, fish oil capsules, potato crisps | Thin crispy crackers, Italian biscotti, Greek koulourakia, sugar wafer shells |
|
Dietary Compliance
|
100% Vegan (Plant oil distillate), Halal, Kosher Certified | Vegan (Mineral synthesis), Halal, Kosher |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (21 CFR 184.1890) | EFSA Authorized / FDA GRAS (21 CFR 184.1137) |
|
Active Isomers
|
d-Gamma-Tocopherol, d-Delta-Tocopherol, d-Alpha-Tocopherol | — |
|
Chemical Formula
|
— | (NH4)HCO3 |
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