# item.guide
Side-by-Side Comparison Food Additives & E-Numbers

E100: Curcumin (Turmeric Yellow Color) vs. E150d: Sulfite Ammonia Caramel (Class IV Caramel)

Comparing 2 standards across 10 specifications. 10 key differences identified.

Comparing:
E100: Curcumin (Turmeric Yellow Color)
E150d: Sulfite Ammonia Caramel (Class IV Caramel)
E100: Curcumin (Turmeric Yellow Color) →

E100 (Curcumin) is a natural diarylheptanoid yellow pigment extracted from the rhizomes of turmeric (Curcuma longa). INS 100(i), ADI is 3 mg/kg bw/day, providing bright yellow-orange coloration in mustard, cheese, and curry powders.

View full E100: Curcumin (Turmeric Yellow Color) spec sheet →
E150d: Sulfite Ammonia Caramel (Class IV Caramel) →

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.

View full E150d: Sulfite Ammonia Caramel (Class IV Caramel) spec sheet →

Specification Comparison Table

10 Parameters
Parameter / Spec
E100: Curcumin (Turmeric Yellow Color)
E150d: Sulfite Ammonia Caramel (Class IV Caramel)
E-Number Code
E100 E150d
INS / Codex Number
INS 100(i) INS 150d
Functional Class
Food Color (Yellow-Orange) Food Color (Deep Brown / Black)
Acceptable Daily Intake (ADI)
3 mg / kg body weight per day 300 mg / kg body weight per day (Group ADI for caramel colors)
Primary Mechanism
Light absorption at 420–430nm producing vibrant golden-yellow hue; polyphenol antioxidant activity High tinctorial power melanoidin polymers soluble and stable in carbonated phosphoric acid matrix
Common Target Foods
Prepared mustard, curry seasonings, margarine, cheese rinds, confectionery Cola soft drinks, dark beers/stouts, gravies, pet foods, soy sauce
Dietary Compliance
100% Vegan (Turmeric root extraction), Halal, Kosher Certified Vegan (Sugar/syrup base), Halal, Kosher
Safety Approval
EFSA Authorized / FDA GRAS (21 CFR 73.600) EFSA Authorized / FDA GRAS (Strictly controlled 4-MEI limits)
Chemical Formula
C21H20O6 —
Isoelectric Point & Charge
— Strong negative colloidal charge (pH 0.5–2.0) preventing precipitation in acid sodas

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