Side-by-Side Comparison
Food Additives & E-Numbers
E415: Xanthan Gum (Pseudoplastic Hydrocolloid Thickener) vs. E635: Disodium 5'-Ribonucleotides (I+G Blend)
Comparing 2 standards across 16 specifications. 16 key differences identified.
Comparing:
E415: Xanthan Gum (Pseudoplastic Hydrocolloid Thickener)
E635: Disodium 5'-Ribonucleotides (I+G Blend)
Xanthan gum (E415) is a high-molecular-weight microbial exopolysaccharide produced by Xanthomonas campestris fermentation, renowned for extreme pseudoplastic shear-thinning rheology, freeze-thaw stability, and gluten-free dough structural binding.
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
16 Parameters| Parameter / Spec | ||
|---|---|---|
|
INS / E-Number
|
INS 415 / E415 | — |
|
Polymer Structure
|
Cellulose β-(1,4)-D-glucan backbone with trisaccharide side chains (mannose-glucuronic acid-mannose) | — |
|
Molecular Weight
|
2.0 × 10⁶ to 5.0 × 10⁶ Da (2–5 MDa) | — |
|
Rheological Behavior
|
Extreme Pseudoplasticity (Shear-thinning index n ≈ 0.15–0.25) | — |
|
Yield Stress
|
High at rest (suspends dense particulates like herbs in salad dressing permanently) | — |
|
Thermal Stability
|
Maintains constant viscosity from 0°C to 100°C across pH 2.0 to 12.0 | — |
|
Synergistic Gelation
|
Forms thermo-reversible firm gels when blended with Locust Bean Gum (E410) or Guar Gum (E412) | — |
|
E-Number Code
|
— | E635 |
|
INS / Codex Number
|
— | INS 635 |
|
Functional Class
|
— | Flavor Enhancer (Standard 50/50 IMP + GMP Umami Blend) |
|
Acceptable Daily Intake (ADI)
|
— | Not Specified (Quantum Satis) |
|
Composition
|
— | 50% Disodium Inosinate (E631) + 50% Disodium Guanylate (E627) |
|
Primary Mechanism
|
— | Maximum simultaneous allosteric sensitization of oral T1R1+T1R3 umami receptor sites |
|
Common Target Foods
|
— | Flavored potato chips, instant noodles, dry soup mixes, processed meats, barbecue sauces |
|
Dietary Compliance
|
— | Vegan (Bacterial sugar fermentation), Halal, Kosher |
|
Safety Approval
|
— | EFSA Authorized / FDA GRAS |
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