Disodium 5'-inosinate

Disodium 5'-inosinate (CAS 4691-65-0 ), also known as E631 and IMP-Na2, is a nucleotide-based flavor enhancer derived from inosine monophosphate. It amplifies savory, umami taste perception in food systems.

This ingredient typically functions at low use levels that make it cost-effective relative to glutamates alone. Its primary commercial use is in combination with monosodium glutamate and disodium guanylate.

These synergistic umami blends, often called I+G mixtures, are standard in seasoning powders, instant noodles, soups, and snack coatings. In processed meat formulations, it reinforces meaty flavor profiles effectively.

The additive allows for reduced salt content without sacrificing taste intensity in various applications. Savory sauces, bouillon cubes, and ready meals rely on this compound to deliver consistent flavor depth.

In personal care, it appears in select oral care and cosmetic formulations where nucleotide ingredients are specified. These applications utilize the ingredient for specific sensory or conditioning purposes during production.

The product is supplied as a white crystalline powder for industrial use. Food-grade is the standard commercial specification, with FCC -compliant material available for manufacturers requiring documented quality benchmarks.

It is commonly sourced as a standalone ingredient or pre-blended in seasoning bases for direct use. This flexibility allows food manufacturers to integrate the enhancer into diverse production workflows and recipes.

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