Side-by-Side Comparison
Food Additives & E-Numbers
E101: Riboflavin (Vitamin B2 Yellow Color) vs. E306: Tocopherol-Rich Extract (Natural Vitamin E Antioxidant)
Comparing 2 standards across 10 specifications. 10 key differences identified.
Comparing:
E101: Riboflavin (Vitamin B2 Yellow Color)
E306: Tocopherol-Rich Extract (Natural Vitamin E Antioxidant)
E101 (Riboflavin / Vitamin B2) is an authorized yellow food colorant and essential micronutrient produced via microbial fermentation of Ashbya gossypii. INS 101(i), ADI is 0.5 mg/kg bw/day, commonly used to fortify cereals and color sauces.
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
|
E101 | E306 |
|
INS / Codex Number
|
INS 101(i) | INS 306 |
|
Functional Class
|
Food Color (Yellow-Orange), Nutrient Fortificant | Antioxidant (Lipid Peroxidation Inhibitor) |
|
Acceptable Daily Intake (ADI)
|
0.5 mg / kg body weight per day | Not Limited (Quantum Satis) |
|
Primary Mechanism
|
Yellow chromophore acting as precursor to flavin coenzymes (FAD/FMN) | Free-radical scavenger donating phenolic hydrogen atoms to peroxyl radicals (ROO•), breaking lipid auto-oxidation chain |
|
Common Target Foods
|
Fortified breakfast cereals, baby foods, pasta, dairy desserts, energy drinks | Vegetable cooking oils, margarines, infant formula, fish oil capsules, potato crisps |
|
Dietary Compliance
|
100% Vegan (Microbial fermentation), Halal, Kosher | 100% Vegan (Plant oil distillate), Halal, Kosher Certified |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (21 CFR 73.450) | EFSA Authorized / FDA GRAS (21 CFR 184.1890) |
|
Chemical Formula
|
C17H20N4O6 | — |
|
Active Isomers
|
— | d-Gamma-Tocopherol, d-Delta-Tocopherol, d-Alpha-Tocopherol |
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