Side-by-Side Comparison
Food Additives & E-Numbers
E627: Disodium Guanylate (GMP Umami Synergist) vs. E967: Xylitol (Birch Sugar / Dental Caries Inhibitor)
Comparing 2 standards across 12 specifications. 12 key differences identified.
Comparing:
E627: Disodium Guanylate (GMP Umami Synergist)
E967: Xylitol (Birch Sugar / Dental Caries Inhibitor)
E627 (Disodium 5'-Guanylate / GMP) is the sodium salt of guanylic acid, a purine nucleotide naturally concentrated in dried shiitake mushrooms. INS 627, ADI is Not Specified, exhibiting massive 8x–30x synergistic umami amplification when paired with MSG.
E967 (Xylitol) is a five-carbon polyol sugar alcohol produced by hydrogenation of xylose from birch wood or corn cobs. INS 967, ADI is Not Specified, offering 100% 1:1 sugar sweetness, a cooling endothermic mouthfeel, and active inhibition of Streptococcus mutans cavity bacteria.
Specification Comparison Table
12 Parameters| Parameter / Spec | ||
|---|---|---|
|
E-Number Code
|
E627 | E967 |
|
INS / Codex Number
|
INS 627 | INS 967 |
|
Functional Class
|
Flavor Enhancer (Purine Nucleotide Umami Synergist) | Bulk Sweetener, Anti-Cariogenic Dental Agent, Humectant |
|
Acceptable Daily Intake (ADI)
|
Not Specified (Quantum Satis) | Not Specified (Quantum Satis / Toxic to dogs warning) |
|
Common Target Foods
|
Savory snack seasonings (Doritos, chips), instant ramen noodle seasoning packets, bouillon cubes | Dental chewing gums (Orbit/Trident), sugar-free mints, toothpastes, diabetic baking |
|
Dietary Compliance
|
Vegan (Microbial fermentation of tapioca/sugar), Halal, Kosher | Vegan (Plant birch/corn source), Halal, Kosher, High Canine Toxicity Warning |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (21 CFR 172.530) | EFSA Authorized / FDA Approved (21 CFR 172.395) |
|
Chemical Formula
|
C10H12N5Na2O8P · xH2O | — |
|
Primary Mechanism
|
Binds allosteric site on T1R1/T1R3 umami receptor, locking glutamate into the orthosteric binding pocket | — |
|
Relative Sweetness Index
|
— | 100% Sucrose (Exact 1:1 sweetness match) |
|
Caloric Value
|
— | 2.4 kcal / g (40% fewer calories than sugar) kcal/g |
|
Heat of Solution (Cooling)
|
— | -36.5 cal/g (Strong refreshing cooling mouth sensation) cal/g |
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