Side-by-Side Comparison
Food Additives & E-Numbers
E322: Lecithin (Phospholipid Emulsifier & Viscosity Reducer) vs. E631: Disodium Inosinate (IMP Meat Umami Synergist)
Comparing 2 standards across 14 specifications. 14 key differences identified.
Comparing:
E322: Lecithin (Phospholipid Emulsifier & Viscosity Reducer)
E631: Disodium Inosinate (IMP Meat Umami Synergist)
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.
E631 (Disodium 5'-Inosinate / IMP) is the sodium salt of inosinic acid, a purine nucleotide naturally found in aged beef, katsuobushi bonito flakes, and cured meats. INS 631, ADI is Not Specified, multiplying glutamate umami flavor.
Specification Comparison Table
14 Parameters| Parameter / Spec | ||
|---|---|---|
|
Acceptable Daily Intake (ADI)
|
Not Specified (Quantum Satis / GRAS under FDA 21 CFR 184.1400) | Not Specified (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
|
— | E631 |
|
INS / Codex Number
|
— | INS 631 |
|
Functional Class
|
— | Flavor Enhancer (Meat Purine Umami Synergist) |
|
Chemical Formula
|
— | C10H11N4Na2O8P · xH2O |
|
Primary Mechanism
|
— | Allosteric conformational stabilizer of human T1R1/T1R3 G-protein umami receptor heterodimer |
|
Common Target Foods
|
— | Instant soups, meat seasonings, potato chips, canned meat gravies, cured snacks |
|
Dietary Compliance
|
— | Vegan (Bacterial Corynebacterium fermentation standard), Halal, Kosher |
|
Safety Approval
|
— | EFSA Authorized / FDA GRAS (21 CFR 172.535) |
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