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

E100: Curcumin (Turmeric Yellow Color) vs. E412: Guar Gum (Cold-Soluble Galactomannan)

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

Comparing:
E100: Curcumin (Turmeric Yellow Color)
E412: Guar Gum (Cold-Soluble Galactomannan)
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 →
E412: Guar Gum (Cold-Soluble Galactomannan) →

E412 (Guar Gum) is a natural galactomannan hydrocolloid extracted from guar beans (Cyamopsis tetragonoloba). INS 412, ADI is Not Limited (Quantum Satis), boasting 8x the thickening power of cornstarch and hydrating completely in cold water.

View full E412: Guar Gum (Cold-Soluble Galactomannan) spec sheet →

Specification Comparison Table

10 Parameters
Parameter / Spec
E100: Curcumin (Turmeric Yellow Color)
E412: Guar Gum (Cold-Soluble Galactomannan)
E-Number Code
E100 E412
INS / Codex Number
INS 100(i) INS 412
Functional Class
Food Color (Yellow-Orange) Thickener, Emulsion Stabilizer, Dietary Fiber
Acceptable Daily Intake (ADI)
3 mg / kg body weight per day Not Limited (Quantum Satis)
Primary Mechanism
Light absorption at 420–430nm producing vibrant golden-yellow hue; polyphenol antioxidant activity Entangles water molecules via extensive hydrogen bonding, producing high viscosity at low shear
Common Target Foods
Prepared mustard, curry seasonings, margarine, cheese rinds, confectionery Gluten-free baked goods, salad dressings, ice creams, sauces, instant soup powders
Dietary Compliance
100% Vegan (Turmeric root extraction), Halal, Kosher Certified 100% Vegan (Guar bean seed endosperm), Halal, Kosher, Non-GMO
Safety Approval
EFSA Authorized / FDA GRAS (21 CFR 73.600) EFSA Authorized / FDA GRAS (21 CFR 184.1339)
Chemical Formula
C21H20O6 —
Mannose to Galactose Ratio
— 2 : 1 (High galactose substitution enables instant cold water solubility)

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