Side-by-Side Comparison
Food Additives & E-Numbers
E440: Pectin (Citrus & Apple Jam Gelling Fiber) vs. E631: Disodium Inosinate (IMP Meat Umami Synergist)
Comparing 2 standards across 10 specifications. 10 key differences identified.
Comparing:
E440: Pectin (Citrus & Apple Jam Gelling Fiber)
E631: Disodium Inosinate (IMP Meat Umami Synergist)
E440 (Pectin) is a complex heteropolysaccharide rich in alpha-(1->4)-linked D-galacturonic acid extracted from citrus peels and apple pomace. INS 440, ADI is Not Limited (Quantum Satis), the global gold standard gelling agent for jams, jellies, and fruit spreads.
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
10 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E440 | E631 |
|
INS / Codex Number
|
INS 440(i) / 440(ii) | INS 631 |
|
Functional Class
|
Gelling Agent, Thickener, Stabilizer, Soluble Fiber | Flavor Enhancer (Meat Purine Umami Synergist) |
|
Acceptable Daily Intake (ADI)
|
Not Limited (Quantum Satis) | Not Specified (Quantum Satis) |
|
Primary Mechanism
|
HM forms junction zones with sugar (Brix > 55%) + acid (pH < 3.5); LM gels with calcium ions (Ca2+) | Allosteric conformational stabilizer of human T1R1/T1R3 G-protein umami receptor heterodimer |
|
Common Target Foods
|
Fruit jams, marmalades, gummy confectionery, fruit preparations for yogurt, glazes | Instant soups, meat seasonings, potato chips, canned meat gravies, cured snacks |
|
Dietary Compliance
|
100% Vegan (Citrus peel/apple extraction), Halal, Kosher | Vegan (Bacterial Corynebacterium fermentation standard), Halal, Kosher |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (21 CFR 184.1588) | EFSA Authorized / FDA GRAS (21 CFR 172.535) |
|
Primary Classes
|
High Methoxyl Pectin (HM, DE > 50%), Low Methoxyl Pectin (LM, DE < 50%) | — |
|
Chemical Formula
|
— | C10H11N4Na2O8P · xH2O |
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