Disodium Inosinate (IMP)
E631 • umami synergist for savory systems
Form
free‑flowing crystals / powder
Assay (as E631)
≥ 98.0% (dry, per FCC)
Solubility
highly water‑soluble
Typical dose
50–200 ppm (with MSG)
I+G ratio
1:1 IMP:GMP available
Dose depends on salt/sugar, fat phase, and matrix pH. IMP shows
strong synergy with monosodium glutamate (MSG) and disodium
guanylate (GMP). Regulatory additive limits apply by market and
application—verify locally.
| Parameter | Typical | Spec |
|---|---|---|
| Assay (dry basis) | ≥ 98.0% | ≥ 98.0% (FCC) |
| Loss on drying | conforms | per COA |
| pH (1% solution) | neutral | per COA |
| Lead | ≤ 2 mg/kg | ≤ 2 mg/kg |
| Arsenic/Heavy metals | meets FCC | per standard |
| Appearance | white crystals/powder | conforms |
| Microbiological | pathogens negative | per COA |
| Parameter | Typical | Spec |
|---|---|---|
| Composition | IMP + GMP (E631 + E627) | 1:1 (other ratios on order) |
| Target use | synergy with MSG, clean umami | conforms |
| Dosage guide | 20–150 ppm (with MSG 0.1–0.5%) | per application |
| Appearance | white crystalline blend | conforms |
| Compliance | FCC/EU food additive | per standard |
| Parameter | Typical | Spec |
|---|---|---|
| Composition | MSG + I+G (2%) | customizable (0.5–10% I+G) |
| Target use | snack seasonings, instant soups, sauces | conforms |
| Dosage guide | as per spice base / salt level | per application |
| Appearance | free‑flowing white blend | conforms |
| Allergens | no major allergens | per COA |
| Applications | Packaging | Storage & Handling |
|---|---|---|
|
• Instant noodles & soups, bouillon and stocks.
• Snack seasonings, savory coatings, meat analogs. • Sauces, condiments, frozen meals; synergy with MSG and/or GMP for round umami. |
• 25 kg fiber drums or cartons with inner PE bag.
• Small packs for R&D/QC on request. |
• Non‑DG. Store cool/dry, sealed; protect from moisture.
• Readily dissolves in water; add early to brines/broths or blend with salt/sugar for uniformity. |
Representative specs shown; shipped material meets the lot COA. We
tailor I+G ratios and MSG premix levels to your seasoning base and
label strategy.