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

E100: Curcumin (Turmeric Yellow Color) vs. E290: Carbon Dioxide (Carbonation & MAP Gas)

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

Comparing:
E100: Curcumin (Turmeric Yellow Color)
E290: Carbon Dioxide (Carbonation & MAP Gas)
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 →
E290: Carbon Dioxide (Carbonation & MAP Gas) →

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).

View full E290: Carbon Dioxide (Carbonation & MAP Gas) spec sheet →

Specification Comparison Table

9 Parameters
Parameter / Spec
E100: Curcumin (Turmeric Yellow Color)
E290: Carbon Dioxide (Carbonation & MAP Gas)
E-Number Code
E100 E290
INS / Codex Number
INS 100(i) INS 290
Functional Class
Food Color (Yellow-Orange) Carbonating Gas, Packaging Gas, Preservative, Propellant
Acceptable Daily Intake (ADI)
3 mg / kg body weight per day Not Limited (Quantum Satis)
Chemical Formula
C21H20O6 CO2
Primary Mechanism
Light absorption at 420–430nm producing vibrant golden-yellow hue; polyphenol antioxidant activity Dissolves in water forming carbonic acid (H2CO3) for effervescence; displaces O2 in packaging to block aerobic mold growth
Common Target Foods
Prepared mustard, curry seasonings, margarine, cheese rinds, confectionery Carbonated soft drinks, sparkling water, beer, champagne, MAP bagged salads, fresh meats
Dietary Compliance
100% Vegan (Turmeric root extraction), Halal, Kosher Certified 100% Vegan, Halal, Kosher
Safety Approval
EFSA Authorized / FDA GRAS (21 CFR 73.600) EFSA Authorized / FDA GRAS (21 CFR 184.1240)

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