Side-by-Side Comparison
Food Additives & E-Numbers
E290: Carbon Dioxide (Carbonation & MAP Gas) vs. E635: Disodium 5'-Ribonucleotides (I+G Blend)
Comparing 2 standards across 10 specifications. 10 key differences identified.
Comparing:
E290: Carbon Dioxide (Carbonation & MAP Gas)
E635: Disodium 5'-Ribonucleotides (I+G Blend)
E290 (Carbon Dioxide / CO2) is an authorized food additive functioning as a carbonating gas, modified atmosphere packaging (MAP) preservative, and cryogenic freezing propellant. INS 290, ADI is Not Limited (Quantum Satis).
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
|
E290 | E635 |
|
INS / Codex Number
|
INS 290 | INS 635 |
|
Functional Class
|
Carbonating Gas, Packaging Gas, Preservative, Propellant | Flavor Enhancer (Standard 50/50 IMP + GMP Umami Blend) |
|
Acceptable Daily Intake (ADI)
|
Not Limited (Quantum Satis) | Not Specified (Quantum Satis) |
|
Primary Mechanism
|
Dissolves in water forming carbonic acid (H2CO3) for effervescence; displaces O2 in packaging to block aerobic mold growth | Maximum simultaneous allosteric sensitization of oral T1R1+T1R3 umami receptor sites |
|
Common Target Foods
|
Carbonated soft drinks, sparkling water, beer, champagne, MAP bagged salads, fresh meats | Flavored potato chips, instant noodles, dry soup mixes, processed meats, barbecue sauces |
|
Dietary Compliance
|
100% Vegan, Halal, Kosher | Vegan (Bacterial sugar fermentation), Halal, Kosher |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (21 CFR 184.1240) | EFSA Authorized / FDA GRAS |
|
Chemical Formula
|
CO2 | — |
|
Composition
|
— | 50% Disodium Inosinate (E631) + 50% Disodium Guanylate (E627) |
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