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

E100: Curcumin (Turmeric Yellow Color) vs. E500: Sodium Bicarbonate (Baking Soda / Ins 500ii)

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

Comparing:
E100: Curcumin (Turmeric Yellow Color)
E500: Sodium Bicarbonate (Baking Soda / Ins 500ii)
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 →
E500: Sodium Bicarbonate (Baking Soda / Ins 500ii) →

E500 (Sodium Carbonates / Sodium Bicarbonate NaHCO3) is a mineral salt leavening agent and pH buffer. INS 500(ii), ADI is Not Limited (Quantum Satis), decomposing under heat and acid to produce carbon dioxide bubbles that expand cakes, cookies, and pretzel crusts.

View full E500: Sodium Bicarbonate (Baking Soda / Ins 500ii) spec sheet →

Specification Comparison Table

9 Parameters
Parameter / Spec
E100: Curcumin (Turmeric Yellow Color)
E500: Sodium Bicarbonate (Baking Soda / Ins 500ii)
E-Number Code
E100 E500
INS / Codex Number
INS 100(i) INS 500(ii) (Bicarbonate) / 500(i) (Carbonate)
Functional Class
Food Color (Yellow-Orange) Raising / Leavening Agent, Acidity Regulator, Anti-Caking
Acceptable Daily Intake (ADI)
3 mg / kg body weight per day Not Limited (Quantum Satis)
Chemical Formula
C21H20O6 NaHCO3 (Sodium Hydrogen Carbonate)
Primary Mechanism
Light absorption at 420–430nm producing vibrant golden-yellow hue; polyphenol antioxidant activity Thermal (>50°C) or acid neutralization releases CO2 gas: NaHCO3 + H+ -> Na+ + H2O + CO2
Common Target Foods
Prepared mustard, curry seasonings, margarine, cheese rinds, confectionery Baking powders, cookies, cakes, pretzel alkaline dips, effervescent drink tablets
Dietary Compliance
100% Vegan (Turmeric root extraction), Halal, Kosher Certified 100% Vegan (Mineral Solvay process/Trona mining), Halal, Kosher
Safety Approval
EFSA Authorized / FDA GRAS (21 CFR 73.600) EFSA Authorized / FDA GRAS (21 CFR 184.1736)

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