Side-by-Side Comparison
Food Additives & E-Numbers
E150d: Sulfite Ammonia Caramel (Class IV Caramel) vs. E951: Aspartame (Dipeptide Sweetener / 200x)
Comparing 2 standards across 11 specifications. 11 key differences identified.
Comparing:
E150d: Sulfite Ammonia Caramel (Class IV Caramel)
E951: Aspartame (Dipeptide Sweetener / 200x)
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.
E951 (Aspartame) is a methyl ester of the aspartic acid/phenylalanine dipeptide yielding ~200x the sweetness of sucrose. INS 951, ADI is 40 mg/kg bw/day, the historic sweetener in Diet Coke and tabletop sweetener packets.
Specification Comparison Table
11 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E150d | E951 |
|
INS / Codex Number
|
INS 150d | INS 951 |
|
Functional Class
|
Food Color (Deep Brown / Black) | High-Intensity Artificial Sweetener |
|
Acceptable Daily Intake (ADI)
|
300 mg / kg body weight per day (Group ADI for caramel colors) | 40 mg / kg body weight per day (US FDA: 50 mg/kg) |
|
Primary Mechanism
|
High tinctorial power melanoidin polymers soluble and stable in carbonated phosphoric acid matrix | Stimulates T1R2/T1R3 sweet taste receptors with clean, sugar-like taste profile |
|
Common Target Foods
|
Cola soft drinks, dark beers/stouts, gravies, pet foods, soy sauce | Diet sodas, tabletop sweetener packets (Equal), sugar-free gelatin desserts, drink mixes |
|
Dietary Compliance
|
Vegan (Sugar/syrup base), Halal, Kosher | Vegetarian, Halal, Kosher, Contains Phenylalanine (Warning for PKU patients mandatory) |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (Strictly controlled 4-MEI limits) | EFSA Authorized / FDA Approved (21 CFR 172.804) |
|
Isoelectric Point & Charge
|
Strong negative colloidal charge (pH 0.5–2.0) preventing precipitation in acid sodas | — |
|
Relative Sweetness Index
|
— | 200x Sucrose |
|
Caloric Value
|
— | 4.0 kcal / g (Negligible at use levels / ~0.1 kcal per serving) kcal/g |
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