Side-by-Side Comparison
Food Additives & E-Numbers
E150d: Sulfite Ammonia Caramel (Class IV Caramel) vs. E306: Tocopherol-Rich Extract (Natural Vitamin E Antioxidant)
Comparing 2 standards across 10 specifications. 10 key differences identified.
Comparing:
E150d: Sulfite Ammonia Caramel (Class IV Caramel)
E306: Tocopherol-Rich Extract (Natural Vitamin E Antioxidant)
E150d (Class IV Caramel) is prepared by heating carbohydrates with both sulfite and ammonium compounds, creating an intensely dark, negatively charged colloid. INS 150d, group ADI is 300 mg/kg bw/day, the global color standard in cola soft drinks.
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.
Specification Comparison Table
10 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E150d | E306 |
|
INS / Codex Number
|
INS 150d | INS 306 |
|
Functional Class
|
Food Color (Deep Brown / Black) | Antioxidant (Lipid Peroxidation Inhibitor) |
|
Acceptable Daily Intake (ADI)
|
300 mg / kg body weight per day (Group ADI for caramel colors) | Not Limited (Quantum Satis) |
|
Primary Mechanism
|
High tinctorial power melanoidin polymers soluble and stable in carbonated phosphoric acid matrix | Free-radical scavenger donating phenolic hydrogen atoms to peroxyl radicals (ROO•), breaking lipid auto-oxidation chain |
|
Common Target Foods
|
Cola soft drinks, dark beers/stouts, gravies, pet foods, soy sauce | Vegetable cooking oils, margarines, infant formula, fish oil capsules, potato crisps |
|
Dietary Compliance
|
Vegan (Sugar/syrup base), Halal, Kosher | 100% Vegan (Plant oil distillate), Halal, Kosher Certified |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (Strictly controlled 4-MEI limits) | EFSA Authorized / FDA GRAS (21 CFR 184.1890) |
|
Isoelectric Point & Charge
|
Strong negative colloidal charge (pH 0.5–2.0) preventing precipitation in acid sodas | — |
|
Active Isomers
|
— | d-Gamma-Tocopherol, d-Delta-Tocopherol, d-Alpha-Tocopherol |
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