Side-by-Side Comparison
Food Additives & E-Numbers
E300: L-Ascorbic Acid (Vitamin C Antioxidant & Flour Improver) vs. E306: Tocopherol-Rich Extract (Natural Vitamin E Antioxidant)
Comparing 2 standards across 14 specifications. 14 key differences identified.
Comparing:
E300: L-Ascorbic Acid (Vitamin C Antioxidant & Flour Improver)
E306: Tocopherol-Rich Extract (Natural Vitamin E Antioxidant)
L-Ascorbic Acid (E300, C6H8O6) is a water-soluble antioxidant, dough conditioner, and vitamin fortifier that scavenges dissolved oxygen, prevents fruit enzymatic browning, and cross-links wheat gluten disulfide bridges in commercial baking.
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
14 Parameters| Parameter / Spec | ||
|---|---|---|
|
Acceptable Daily Intake (ADI)
|
Not Specified (Quantum Satis / GRAS under FDA 21 CFR 182.3013) | Not Limited (Quantum Satis) |
|
INS / E-Number
|
INS 300 / E300 | — |
|
Chemical Formula
|
C₆H₈O₆ (Molecular Weight: 176.12 g/mol) | — |
|
Functional Classes
|
Antioxidant / Flour Treatment Agent / Sequestrant / Nutrient Supplement | — |
|
Solubility
|
330 g/L in water at 20°C | — |
|
Redox Potential
|
+0.06 V at pH 7.0 (readily donates two electrons to dehydroascorbic acid) | — |
|
E-Number Code
|
— | E306 |
|
INS / Codex Number
|
— | INS 306 |
|
Functional Class
|
— | Antioxidant (Lipid Peroxidation Inhibitor) |
|
Active Isomers
|
— | d-Gamma-Tocopherol, d-Delta-Tocopherol, d-Alpha-Tocopherol |
|
Primary Mechanism
|
— | Free-radical scavenger donating phenolic hydrogen atoms to peroxyl radicals (ROO•), breaking lipid auto-oxidation chain |
|
Common Target Foods
|
— | Vegetable cooking oils, margarines, infant formula, fish oil capsules, potato crisps |
|
Dietary Compliance
|
— | 100% Vegan (Plant oil distillate), Halal, Kosher Certified |
|
Safety Approval
|
— | EFSA Authorized / FDA GRAS (21 CFR 184.1890) |
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