Side-by-Side Comparison
Food Additives & E-Numbers
E631: Disodium Inosinate (IMP Meat Umami Synergist) vs. E960: Steviol Glycosides (Reb-A / Stevia Extract)
Comparing 2 standards across 12 specifications. 12 key differences identified.
Comparing:
E631: Disodium Inosinate (IMP Meat Umami Synergist)
E960: Steviol Glycosides (Reb-A / Stevia Extract)
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.
E960 (Steviol Glycosides / Rebaudioside A) is a natural zero-calorie sweetener water-extracted from the leaves of the Stevia plant (Stevia rebaudiana). INS 960a, ADI is 4 mg/kg bw/day (as steviol equivalents), providing 250–350x sucrose sweetness.
Specification Comparison Table
12 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E631 | E960 |
|
INS / Codex Number
|
INS 631 | INS 960a / 960c |
|
Functional Class
|
Flavor Enhancer (Meat Purine Umami Synergist) | Natural High-Intensity Sweetener |
|
Acceptable Daily Intake (ADI)
|
Not Specified (Quantum Satis) | 4 mg / kg body weight per day (as steviol equivalents) |
|
Common Target Foods
|
Instant soups, meat seasonings, potato chips, canned meat gravies, cured snacks | Natural zero-calorie sodas (Zevia), flavored yogurts, protein shakes, tabletop drops |
|
Dietary Compliance
|
Vegan (Bacterial Corynebacterium fermentation standard), Halal, Kosher | 100% Vegan (Stevia leaf water extraction), Halal, Kosher, Non-GMO |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (21 CFR 172.535) | EFSA Authorized / FDA GRAS Notices (GRN 252) |
|
Chemical Formula
|
C10H11N4Na2O8P · xH2O | — |
|
Primary Mechanism
|
Allosteric conformational stabilizer of human T1R1/T1R3 G-protein umami receptor heterodimer | — |
|
Relative Sweetness Index
|
— | 250 – 350x Sucrose (Reb-A >98%) |
|
Caloric Value
|
— | 0.0 kcal / g kcal/g |
|
Glycemic Index (GI)
|
— | 0 (Zero effect on blood glucose or insulin) |
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