Side-by-Side Comparison
Food Additives & E-Numbers
E202: Potassium Sorbate (Soluble Antimicrobial) vs. E631: Disodium Inosinate (IMP Meat Umami Synergist)
Comparing 2 standards across 9 specifications. 9 key differences identified.
Comparing:
E202: Potassium Sorbate (Soluble Antimicrobial)
E631: Disodium Inosinate (IMP Meat Umami Synergist)
E202 (Potassium Sorbate) is the potassium salt of sorbic acid, offering 58% water solubility at room temperature. INS 202, group ADI is 11 mg/kg bw/day, widely utilized in beverages, syrups, and cosmetics to block yeast fermentation.
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
9 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E202 | E631 |
|
INS / Codex Number
|
INS 202 | INS 631 |
|
Functional Class
|
Preservative (Water-Soluble Antifungal) | Flavor Enhancer (Meat Purine Umami Synergist) |
|
Acceptable Daily Intake (ADI)
|
11 mg / kg body weight per day (as sorbic acid equivalent) | Not Specified (Quantum Satis) |
|
Chemical Formula
|
C6H7KO2 | C10H11N4Na2O8P · xH2O |
|
Primary Mechanism
|
Dissociates into sorbic acid in food matrix, blocking substrate transport in fungal cells | Allosteric conformational stabilizer of human T1R1/T1R3 G-protein umami receptor heterodimer |
|
Common Target Foods
|
Fruit juices, carbonated beverages, table syrups, dips, yogurt drinks, wine finishing | Instant soups, meat seasonings, potato chips, canned meat gravies, cured snacks |
|
Dietary Compliance
|
Vegan, Halal, Kosher Certified | Vegan (Bacterial Corynebacterium fermentation standard), Halal, Kosher |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (21 CFR 182.3640) | EFSA Authorized / FDA GRAS (21 CFR 172.535) |
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