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

E100: Curcumin (Turmeric Yellow Color) vs. E509: Calcium Chloride (Firming Agent / Cheese Salt)

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

Comparing:
E100: Curcumin (Turmeric Yellow Color)
E509: Calcium Chloride (Firming Agent / Cheese Salt)
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 →
E509: Calcium Chloride (Firming Agent / Cheese Salt) →

E509 (Calcium Chloride / CaCl2) is an inorganic calcium mineral salt. INS 509, ADI is Not Limited (Quantum Satis), serving as a crucial firming agent in canned tomatoes, tofu coagulant, and rennet coagulation restorer in pasteurized milk cheese making.

View full E509: Calcium Chloride (Firming Agent / Cheese Salt) spec sheet →

Specification Comparison Table

9 Parameters
Parameter / Spec
E100: Curcumin (Turmeric Yellow Color)
E509: Calcium Chloride (Firming Agent / Cheese Salt)
E-Number Code
E100 E509
INS / Codex Number
INS 100(i) INS 509
Functional Class
Food Color (Yellow-Orange) Firming Agent, Coagulant, Sequestrant, Electrolyte
Acceptable Daily Intake (ADI)
3 mg / kg body weight per day Not Limited (Quantum Satis)
Chemical Formula
C21H20O6 CaCl2
Primary Mechanism
Light absorption at 420–430nm producing vibrant golden-yellow hue; polyphenol antioxidant activity Divalent Ca2+ ions cross-link pectin galacturonan chains in plant cell walls and bridge casein micelles in milk
Common Target Foods
Prepared mustard, curry seasonings, margarine, cheese rinds, confectionery Canned whole peeled tomatoes (prevents mushiness), pasteurized cheese vats, soy tofu coagulation, sports pickles
Dietary Compliance
100% Vegan (Turmeric root extraction), Halal, Kosher Certified Vegan (Natural brine/limestone salt), Halal, Kosher
Safety Approval
EFSA Authorized / FDA GRAS (21 CFR 73.600) EFSA Authorized / FDA GRAS (21 CFR 184.1193)

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