Side-by-Side Comparison
Food Additives & E-Numbers
E422: Glycerol (Glycerin Humectant & Solvent) vs. E635: Disodium 5'-Ribonucleotides (I+G Blend)
Comparing 2 standards across 10 specifications. 10 key differences identified.
Comparing:
E422: Glycerol (Glycerin Humectant & Solvent)
E635: Disodium 5'-Ribonucleotides (I+G Blend)
E422 (Glycerol / Glycerin) is a sweet, viscous trihydroxy alcohol (polyol) obtained via lipid hydrolysis. INS 422, ADI is Not Limited (Quantum Satis), acting as an essential humectant, moisture retainer, and freeze-point depressant in baked goods and icings.
E635 (I+G) is a standardized 50/50 co-crystallized blend of disodium inosinate (E631) and disodium guanylate (E627). INS 635, ADI is Not Specified, serving as the commercial standard umami booster in global food manufacturing.
Specification Comparison Table
10 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E422 | E635 |
|
INS / Codex Number
|
INS 422 | INS 635 |
|
Functional Class
|
Humectant, Solvent, Sweetener, Bodying Agent | Flavor Enhancer (Standard 50/50 IMP + GMP Umami Blend) |
|
Acceptable Daily Intake (ADI)
|
Not Limited (Quantum Satis) | Not Specified (Quantum Satis) |
|
Primary Mechanism
|
Strongly hygroscopic triol binds water molecules, lowering water activity (aw) and preventing staling | Maximum simultaneous allosteric sensitization of oral T1R1+T1R3 umami receptor sites |
|
Common Target Foods
|
Fondant icings, soft-baked cookies, energy bars, cake sponges, liqueur bodying | Flavored potato chips, instant noodles, dry soup mixes, processed meats, barbecue sauces |
|
Dietary Compliance
|
Vegan (When derived from plant fats), Halal, Kosher | Vegan (Bacterial sugar fermentation), Halal, Kosher |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (21 CFR 184.1320) | EFSA Authorized / FDA GRAS |
|
Chemical Formula
|
C3H8O3 (Propane-1,2,3-triol) | — |
|
Composition
|
— | 50% Disodium Inosinate (E631) + 50% Disodium Guanylate (E627) |
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