Side-by-Side Comparison
Food Additives & E-Numbers
E140: Chlorophyll & Chlorophyllins (Green Color) vs. E220: Sulfur Dioxide (Antioxidant & Wine Preservative)
Comparing 2 standards across 9 specifications. 9 key differences identified.
Comparing:
E140: Chlorophyll & Chlorophyllins (Green Color)
E220: Sulfur Dioxide (Antioxidant & Wine Preservative)
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.
E220 (Sulfur Dioxide / SO2) is an inorganic gas dissolved in water to generate bisulfite and sulfite ions, providing potent antimicrobial and polyphenol oxidase enzyme-inhibiting properties. INS 220, group ADI is 0.7 mg/kg bw/day.
Specification Comparison Table
9 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E140 | E220 |
|
INS / Codex Number
|
INS 140(i) | INS 220 |
|
Functional Class
|
Food Color (Green) | Preservative, Antioxidant, Enzymatic Browning Inhibitor |
|
Acceptable Daily Intake (ADI)
|
Not Limited (Quantum Satis) | 0.7 mg / kg body weight per day (as SO2 equivalent) |
|
Chemical Formula
|
C55H72MgN4O5 (Chlorophyll a) | SO2 |
|
Primary Mechanism
|
Light absorption in red (660nm) and blue (430nm) spectra, reflecting vibrant botanical green | Molecular SO2 penetrates microbial membranes; bisulfite (HSO3-) cleaves disulfide bonds in enzymes and binds acetaldehyde |
|
Common Target Foods
|
Pesto, spinach pasta, mint confectionery, olive oil blends, liqueurs | Wines (Contains sulfites declaration >10mg/L), dried apricots, ciders, potato starch |
|
Dietary Compliance
|
100% Vegan (Plant solvent extraction), Halal, Kosher | Vegan, Halal, Kosher, Major Allergen Declaration Mandatory |
|
Safety Approval
|
EFSA Authorized / FDA 21 CFR 73.125 | EFSA Authorized / FDA GRAS (21 CFR 182.3862 - Banned on raw produce) |
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