Side-by-Side Comparison
Food Additives & E-Numbers
E170: Calcium Carbonate (Mineral White Color / Anti-Caking) vs. E334: L-Tartaric Acid (Wine & Baking Acidulant)
Comparing 2 standards across 9 specifications. 9 key differences identified.
Comparing:
E170: Calcium Carbonate (Mineral White Color / Anti-Caking)
E334: L-Tartaric Acid (Wine & Baking Acidulant)
E170 (Calcium Carbonate / CaCO3) is a fine mineral salt mined from limestone or precipitated synthetically. INS 170(i), ADI is Not Limited (Quantum Satis), serving as a white surface colorant, acidity buffer, anti-caking agent, and calcium nutrient fortificant.
E334 (L(+)-Tartaric Acid) is a dicarboxylic organic acid recovered as potassium bitartrate by-product from wine barrels. INS 334, ADI has historically been set at up to 20 mg/kg bw/day by JECFA, delivering a sharp, lingering tartness in candies, soft drinks, and baking powders.
Specification Comparison Table
9 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E170 | E334 |
|
INS / Codex Number
|
INS 170(i) | INS 334 |
|
Functional Class
|
Food Color (White / Opacifier), Anti-Caking, Acidity Regulator, Nutrient | Acidity Regulator, Acidulant, Synergist for Antioxidants |
|
Acceptable Daily Intake (ADI)
|
Not Limited (Quantum Satis) | Historically up to 20 mg / kg body weight per day (JECFA: 0–6 mg/kg unconditional + 6–20 mg/kg conditional acceptance) |
|
Chemical Formula
|
CaCO3 | C4H6O6 (2,3-dihydroxybutanedioic acid) |
|
Primary Mechanism
|
High refractive index light scattering creating white opacity; neutralizes acids to calcium salts and CO2 | Stronger sourness profile than citric acid (pKa1 2.98), stimulating salivation and activating baking soda |
|
Common Target Foods
|
Chewing gum coatings, plant milks (Soy/Almond calcium fortification), baking powders, tablets | Hard sour candies, baking powder (Cream of tartar), grape beverages, wine adjustment |
|
Dietary Compliance
|
Vegan (Mineral limestone), Halal, Kosher | 100% Vegan (Wine by-product), Halal, Kosher |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (21 CFR 184.1191) | EFSA Authorized / FDA GRAS (21 CFR 184.1099) |
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