E150a: Plain Caramel (Class I Caramel Color) vs. E290: Carbon Dioxide (Carbonation & MAP Gas)
Comparing 2 standards across 10 specifications. 10 key differences identified.
E150a (Class I / Plain Caramel) is produced by controlled thermal heating of food carbohydrates without ammonium or sulfite compounds. INS 150a, ADI is Not Specified, yielding a warm brown-amber color in spirits, whiskey, and vinegars.
E290 (Carbon Dioxide / CO2) is an authorized food additive functioning as a carbonating gas, modified atmosphere packaging (MAP) preservative, and cryogenic freezing propellant. INS 290, ADI is Not Limited (Quantum Satis).
Specification Comparison Table
10 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E150a | E290 |
|
INS / Codex Number
|
INS 150a | INS 290 |
|
Functional Class
|
Food Color (Brown), Aromatic Flavoring | Carbonating Gas, Packaging Gas, Preservative, Propellant |
|
Acceptable Daily Intake (ADI)
|
Not Specified (Quantum Satis / Highest purity class) | Not Limited (Quantum Satis) |
|
Primary Mechanism
|
Pyrolysis and non-enzymatic caramelization forming high-molecular-weight chromophores | Dissolves in water forming carbonic acid (H2CO3) for effervescence; displaces O2 in packaging to block aerobic mold growth |
|
Common Target Foods
|
Scotch whisky, bourbon, brandy, rum, balsamic vinegar, craft ales | Carbonated soft drinks, sparkling water, beer, champagne, MAP bagged salads, fresh meats |
|
Dietary Compliance
|
100% Vegan (Sugar derived), Halal, Kosher, 4-MEI Free | 100% Vegan, Halal, Kosher |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (21 CFR 73.85) | EFSA Authorized / FDA GRAS (21 CFR 184.1240) |
|
Chemical Class
|
Complex polymeric carbohydrate breakdown caramelans, caramelens, caramelins | — |
|
Chemical Formula
|
— | CO2 |