Side-by-Side Comparison
Food Additives & E-Numbers
E140: Chlorophyll & Chlorophyllins (Green Color) vs. E224: Potassium Metabisulfite (Campden Salt)
Comparing 2 standards across 9 specifications. 9 key differences identified.
Comparing:
E140: Chlorophyll & Chlorophyllins (Green Color)
E224: Potassium Metabisulfite (Campden Salt)
E140 (Chlorophyll) is the natural magnesium-porphyrin green pigment extracted from grass, alfalfa, and nettles. INS 140(i), ADI is Not Limited (Quantum Satis), utilized to restore vibrant botanical green color to confectionery, oils, and pasta.
E224 (Potassium Metabisulfite / K2S2O5) is a white crystalline powder releasing 57.6% sulfur dioxide by weight when dissolved in acidic liquids. INS 224, ADI is 0.7 mg/kg bw/day, the premier sanitizing and stabilizing agent in commercial winemaking.
Specification Comparison Table
9 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E140 | E224 |
|
INS / Codex Number
|
INS 140(i) | INS 224 |
|
Functional Class
|
Food Color (Green) | Preservative, Antioxidant, Sanitizer |
|
Acceptable Daily Intake (ADI)
|
Not Limited (Quantum Satis) | 0.7 mg / kg body weight per day (as SO2 equivalent) |
|
Chemical Formula
|
C55H72MgN4O5 (Chlorophyll a) | K2S2O5 |
|
Primary Mechanism
|
Light absorption in red (660nm) and blue (430nm) spectra, reflecting vibrant botanical green | Releases free SO2 and potassium ions, neutralizing wild yeasts and preventing enzymatic must oxidation |
|
Common Target Foods
|
Pesto, spinach pasta, mint confectionery, olive oil blends, liqueurs | Grape must, commercial wines, ciders, lemon juice concentrates, dried fruit processing |
|
Dietary Compliance
|
100% Vegan (Plant solvent extraction), Halal, Kosher | Vegan, Halal, Kosher (Allergen labeling required) |
|
Safety Approval
|
EFSA Authorized / FDA 21 CFR 73.125 | EFSA Authorized / FDA GRAS (21 CFR 182.3637) |
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