Side-by-Side Comparison
Food Additives & E-Numbers
E631: Disodium Inosinate (IMP Meat Umami Synergist) vs. E968: Erythritol (Zero-Calorie Fermented Polyol)
Comparing 2 standards across 12 specifications. 12 key differences identified.
Comparing:
E631: Disodium Inosinate (IMP Meat Umami Synergist)
E968: Erythritol (Zero-Calorie Fermented Polyol)
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.
E968 (Erythritol) is a four-carbon polyol produced by microbial fermentation of glucose by Moniliella pollinis. INS 968, ADI is Not Specified, delivering 70% the sweetness of sucrose with 0.0–0.2 kcal/g, zero GI, and 90% urinary excretion avoiding digestive distress.
Specification Comparison Table
12 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E631 | E968 |
|
INS / Codex Number
|
INS 631 | INS 968 |
|
Functional Class
|
Flavor Enhancer (Meat Purine Umami Synergist) | Non-Nutritive Bulk Sweetener, Flavor Enhancer, Humectant |
|
Acceptable Daily Intake (ADI)
|
Not Specified (Quantum Satis) | Not Specified (Highest digestive tolerance among all polyols: 0.66–0.80 g/kg bw) |
|
Common Target Foods
|
Instant soups, meat seasonings, potato chips, canned meat gravies, cured snacks | Keto baked goods, monk fruit/stevia blends (Swerve), zero-sugar confectionery |
|
Dietary Compliance
|
Vegan (Bacterial Corynebacterium fermentation standard), Halal, Kosher | 100% Vegan (Yeast fermentation of corn glucose), Halal, Kosher, Non-GMO |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (21 CFR 172.535) | EFSA Authorized / FDA GRAS (GRN 76) |
|
Chemical Formula
|
C10H11N4Na2O8P · xH2O | — |
|
Primary Mechanism
|
Allosteric conformational stabilizer of human T1R1/T1R3 G-protein umami receptor heterodimer | — |
|
Relative Sweetness Index
|
— | 70% Sucrose |
|
Caloric Value
|
— | 0.2 kcal / g (Legal EU/US: 0.0 kcal / g) kcal/g |
|
Glycemic Index (GI)
|
— | 0 (Zero effect on blood glucose or insulin levels) |
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