Side-by-Side Comparison
Food Additives & E-Numbers
E150d: Sulfite Ammonia Caramel (Class IV Caramel) vs. E250: Sodium Nitrite (Curing Salt / Anti-Botulism Preservative)
Comparing 2 standards across 13 specifications. 13 key differences identified.
Comparing:
E150d: Sulfite Ammonia Caramel (Class IV Caramel)
E250: Sodium Nitrite (Curing Salt / Anti-Botulism Preservative)
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.
Sodium nitrite (E250, NaNO2) is an inorganic salt used in cured charcuterie, bacon, and processed meats to inhibit Clostridium botulinum neurotoxin germination, fix cured pink nitrosyl-myoglobin color, and retard lipid autoxidation.
Specification Comparison Table
13 Parameters| Parameter / Spec | ||
|---|---|---|
|
Functional Class
|
Food Color (Deep Brown / Black) | Preservative / Color Retention Agent (Curing Salt) |
|
Acceptable Daily Intake (ADI)
|
300 mg / kg body weight per day (Group ADI for caramel colors) | 0–0.07 mg/kg body weight per day (EFSA / JECFA) |
|
E-Number Code
|
E150d | — |
|
INS / Codex Number
|
INS 150d | — |
|
Isoelectric Point & Charge
|
Strong negative colloidal charge (pH 0.5–2.0) preventing precipitation in acid sodas | — |
|
Primary Mechanism
|
High tinctorial power melanoidin polymers soluble and stable in carbonated phosphoric acid matrix | — |
|
Common Target Foods
|
Cola soft drinks, dark beers/stouts, gravies, pet foods, soy sauce | — |
|
Dietary Compliance
|
Vegan (Sugar/syrup base), Halal, Kosher | — |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (Strictly controlled 4-MEI limits) | — |
|
INS / E-Number
|
— | INS 250 / E250 |
|
Chemical Formula
|
— | NaNO₂ (Molecular Weight: 68.995 g/mol) |
|
USDA Maximum Residual Level
|
— | 156 ppm in cured meat / 200 ppm in dry cured ham / 120 ppm in bacon with ascorbate |
|
Botulism Inhibition Threshold
|
— | Inhibits Clostridium botulinum spore outgrowth at ≥50–100 mg/kg in presence of NaCl |
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