E162: Beetroot Red (Betanin) vs. E224: Potassium Metabisulfite (Campden Salt)
Comparing 2 standards across 9 specifications. 9 key differences identified.
E162 (Beetroot Red / Betanin) is a water-soluble red-purple betacyanin pigment pressed or extracted from red beets (Beta vulgaris). INS 162, ADI is Not Limited (Quantum Satis), used in dairy, ice creams, and sausages.
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
|
E162 | E224 |
|
INS / Codex Number
|
INS 162 | INS 224 |
|
Functional Class
|
Food Color (Red-Purple) | Preservative, Antioxidant, Sanitizer |
|
Acceptable Daily Intake (ADI)
|
Not Limited (Quantum Satis) | 0.7 mg / kg body weight per day (as SO2 equivalent) |
|
Chemical Formula
|
C24H26N2O13 (Betanin glucoside) | K2S2O5 |
|
Primary Mechanism
|
Betanidin glycoside absorbing green light (535–538nm) to reflect intense magenta-red | Releases free SO2 and potassium ions, neutralizing wild yeasts and preventing enzymatic must oxidation |
|
Common Target Foods
|
Strawberry yogurt, berry ice creams, confectionery, fruit preparations | Grape must, commercial wines, ciders, lemon juice concentrates, dried fruit processing |
|
Dietary Compliance
|
100% Vegan (Beetroot juice extract), Halal, Kosher | Vegan, Halal, Kosher (Allergen labeling required) |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (21 CFR 73.40) | EFSA Authorized / FDA GRAS (21 CFR 182.3637) |