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

E100: Curcumin (Turmeric Yellow Color) vs. E260: Acetic Acid (Vinegar Acidulant / Preservative)

Comparing 2 standards across 9 specifications. 9 key differences identified.

Comparing:
E100: Curcumin (Turmeric Yellow Color)
E260: Acetic Acid (Vinegar Acidulant / Preservative)
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 →
E260: Acetic Acid (Vinegar Acidulant / Preservative) →

E260 (Acetic Acid / Ethanoic acid) is a natural carboxylic acid produced via aerobic Acetobacter fermentation of ethanol. INS 260, ADI is Not Limited (Quantum Satis), giving vinegar its characteristic pungent sour flavor and pickling preservative action.

View full E260: Acetic Acid (Vinegar Acidulant / Preservative) spec sheet →

Specification Comparison Table

9 Parameters
Parameter / Spec
E100: Curcumin (Turmeric Yellow Color)
E260: Acetic Acid (Vinegar Acidulant / Preservative)
E-Number Code
E100 E260
INS / Codex Number
INS 100(i) INS 260
Functional Class
Food Color (Yellow-Orange) Acidity Regulator, Preservative, Flavoring Tastant
Acceptable Daily Intake (ADI)
3 mg / kg body weight per day Not Limited (Quantum Satis)
Chemical Formula
C21H20O6 CH3COOH (pKa 4.76)
Primary Mechanism
Light absorption at 420–430nm producing vibrant golden-yellow hue; polyphenol antioxidant activity Lowers pH below 4.2, destroying bacterial cell membrane proton motive force
Common Target Foods
Prepared mustard, curry seasonings, margarine, cheese rinds, confectionery Table vinegars (4–8%), pickled cucumbers, mustard, mayonnaise, tomato ketchup
Dietary Compliance
100% Vegan (Turmeric root extraction), Halal, Kosher Certified 100% Vegan (Biological vinegar fermentation), Halal, Kosher
Safety Approval
EFSA Authorized / FDA GRAS (21 CFR 73.600) EFSA Authorized / FDA GRAS (21 CFR 184.1005)

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