Side-by-Side Comparison
Food Additives & E-Numbers
E322: Lecithin (Phospholipid Emulsifier & Viscosity Reducer) vs. E500: Sodium Bicarbonate (Baking Soda / Ins 500ii)
Comparing 2 standards across 14 specifications. 14 key differences identified.
Comparing:
E322: Lecithin (Phospholipid Emulsifier & Viscosity Reducer)
E500: Sodium Bicarbonate (Baking Soda / Ins 500ii)
Lecithin (E322) is a complex mixture of zwitterionic polar phospholipids (phosphatidylcholine, phosphatidylethanolamine, phosphatidylinositol) derived from soybeans, sunflower seeds, or egg yolks, functioning as an amphiphilic oil-in-water surfactant and chocolate viscosity reducer.
E500 (Sodium Carbonates / Sodium Bicarbonate NaHCO3) is a mineral salt leavening agent and pH buffer. INS 500(ii), ADI is Not Limited (Quantum Satis), decomposing under heat and acid to produce carbon dioxide bubbles that expand cakes, cookies, and pretzel crusts.
Specification Comparison Table
14 Parameters| Parameter / Spec | ||
|---|---|---|
|
Acceptable Daily Intake (ADI)
|
Not Specified (Quantum Satis / GRAS under FDA 21 CFR 184.1400) | Not Limited (Quantum Satis) |
|
INS / E-Number
|
INS 322i (Lecithin) / INS 322ii (Partially Hydrolyzed) | — |
|
Primary Phospholipid Composition
|
19–21% Phosphatidylcholine (PC), 8–20% PE, 10–15% PI | — |
|
Hydrophilic-Lipophilic Balance (HLB)
|
HLB 4.0–6.0 (Standard unbleached) / HLB 8.0–10.0 (Enzymatically modified lyso-lecithin) | — |
|
Acetone-Insoluble Matter
|
≥ 60.0% (standard benchmark of active phospholipid content) | — |
|
Major Sources
|
Soybean (Glycine max), Sunflower (Helianthus annuus - non-GMO / allergen-free), Rapeseed, Egg yolk | — |
|
E-Number Code
|
— | E500 |
|
INS / Codex Number
|
— | INS 500(ii) (Bicarbonate) / 500(i) (Carbonate) |
|
Functional Class
|
— | Raising / Leavening Agent, Acidity Regulator, Anti-Caking |
|
Chemical Formula
|
— | NaHCO3 (Sodium Hydrogen Carbonate) |
|
Primary Mechanism
|
— | Thermal (>50°C) or acid neutralization releases CO2 gas: NaHCO3 + H+ -> Na+ + H2O + CO2 |
|
Common Target Foods
|
— | Baking powders, cookies, cakes, pretzel alkaline dips, effervescent drink tablets |
|
Dietary Compliance
|
— | 100% Vegan (Mineral Solvay process/Trona mining), Halal, Kosher |
|
Safety Approval
|
— | EFSA Authorized / FDA GRAS (21 CFR 184.1736) |
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