| HS Code | 275607 |
| Product Name | Disodium 5'-Inosinate and Disodium 5'-Guanylate |
| Common Names | I+G, E635, Flavor Enhancer |
| Chemical Formula | C10H11N4Na2O8P (Disodium 5'-Inosinate), C10H12N5Na2O8P (Disodium 5'-Guanylate) |
| Appearance | White to off-white crystalline powder |
| Solubility | Highly soluble in water |
| Taste Profile | Strong umami flavor |
| Usage | Food seasoning and flavor enhancer |
| E Number | E635 |
| Source | Typically produced by fermentation of carbohydrates or extraction from animal sources |
| Typical Concentration In Food | Used in concentrations of 0.01% to 0.1% |
| Allergenicity | Generally considered non-allergenic |
| Stability | Stable under normal storage conditions |
As an accredited Disodium 5'-Inosinate and Disodium 5'-Guanylate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging is a sealed, 1 kg white plastic bag, clearly labeled “Disodium 5'-Inosinate and Disodium 5'-Guanylate, Food Grade.” |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): 13 metric tons (packed in 20kg kraft bags, on pallets), suitable for bulk shipment of disodium 5'-inosinate and guanylate. |
| Shipping | Disodium 5'-Inosinate and Disodium 5'-Guanylate are shipped in tightly sealed containers to prevent moisture and contamination. The chemicals are stored in cool, dry conditions and transported following standard chemical safety regulations. Proper labeling and documentation ensure compliance for safe delivery and handling during transit. |
| Storage | Disodium 5'-Inosinate and Disodium 5'-Guanylate should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from moisture, heat, and direct sunlight. Keep the chemicals away from incompatible substances and strong oxidizing agents. Ensure the storage area is clearly labeled and complies with local safety regulations. Store out of reach of unauthorized personnel. |
| Shelf Life | Disodium 5'-Inosinate and Disodium 5'-Guanylate typically have a shelf life of 2-3 years when stored in cool, dry conditions. |
Disodium 5'-Inosinate (IMP) and Disodium 5'-Guanylate (GMP) serve as essential nucleotide flavor enhancers in various industrial manufacturing fields. As a direct manufacturer, we supply these raw materials with stringent process controls for demanding applications from food processing to pharmaceutical preparations. Below we detail real-world use cases, process integration points, compliance standards, and specific usage parameters by industry sector.
Manufacturers of snack foods, instant noodles, canned foods, meat-based seasonings, and bouillons use IMP and GMP as sophisticated flavor potentiators to deliver pronounced umami notes. These nucleotides enable formulation teams to reduce sodium chloride and monosodium glutamate levels, improving taste complexity while supporting label claims for reduced salt content. Process engineers add nucleotide mixtures during powder blending or as aqueous solutions prior to spray-drying or granulation. Quality control focuses on taste profile calibration, ensured by routine batch titration and sensory evaluation.
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These nucleotides enhance meat flavor intensity and masking of metallic or off-notes in industrial meat and poultry preparation. Food technologists incorporate IMP/GMP blends during brine preparation or mixing stages where they synergize with hydrolyzed vegetable proteins, yeast extracts, or natural flavorings. Regulatory frameworks strictly monitor residue levels and documentation for additive declaration in all finished meat products marketed regionally or for export.
Industry compliance standards
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Supplement manufacturers use GMP and IMP as functional ingredients in nucleotide-enhanced products targeting immune support and gastrointestinal health. Dosage forms include tablets, granules, powder blends, and liquid concentrates. Regulatory frameworks for supplements dictate purity, quality assurance, and labeling, with process design accommodating both direct compaction and wet granulation. Shelf-life and stability testing ensure nucleotide content persists through storage and distribution.
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Producers of infant formula, preterm nutrition, and clinical enteral feeds add GMP and IMP to mimic the nucleotide profile of human milk, supporting infant health and immune function. These nucleotides enter the blending tank after pasteurization step to minimize heat loss and maximize bioavailability. All formulation steps must meet strict infant safety and pharmacopoeia purity requirements, with multi-level analytical testing for contaminants, solubility, and composition.
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Yeast extract producers use nucleotide supplementation (especially GMP) to balance flavor intensity, especially when natural nucleotide concentrations in the substrate fluctuate. Controlled GMP/IMP addition during enzymatic hydrolysis or concentration steps enables production of customized flavor profiles for food manufacturers targeting specific umami requirements. Quality controls focus on ensuring uniform distribution and compliance with product specification sheets accepted by end customers and regulatory agencies.
Industry compliance standards
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Bioprocess engineers use pure nucleotides as growth factors in cell culture media manufacturing to support proliferation and differentiation of mammalian, yeast, or microbial cell lines. Defined supplementation with GMP and IMP allows reproducibility of cell fermentation runs for vaccine production, recombinant protein synthesis, or research-grade cell banking. Manufacturers integrate these nucleotides at specific points for precise feed formulations, following strict risk assessment and contamination control protocols.
Industry compliance standards
Typical usage ratio
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Competitive Disodium 5'-Inosinate and Disodium 5'-Guanylate prices that fit your budget—flexible terms and customized quotes for every order.
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In the landscape of food additives, not many ingredients boost savor and appeal as distinctly as Disodium 5'-Inosinate (E631) and Disodium 5'-Guanylate (E627). Responsible for that unmistakable umami punch many people enjoy in savory foods, these two compounds have been transforming kitchens and manufacturing lines for decades. As a seasoned manufacturer with direct hands-on experience in their production, processing, and application, we share our insight to help users, from food technologists to chefs, grasp their value—both in scientific detail and practical outcome.
Disodium 5'-Inosinate and Disodium 5'-Guanylate rarely stand alone in finished products. Most people encounter these flavor enhancers as a blend, often seen labeled as “I+G” on product specifications. This blend typically combines E631 and E627 at a ratio of 1:1, although we offer the pure forms as well. Our output includes both fine powders and small granules, with distinct choices made to suit either industrial or culinary needs. Generally, the powder passes a standard 80-mesh sieve and stays free-flowing, white, and crystalline. Any change in color or caking signals deviation from best practices—something we rigorously avoid through scrupulous quality control. Moisture sits below 10%, chromatographic purity above 98%, and nearly all traces of foreign odors or flavors get eliminated by fine-tuned filtration and drying steps. We never cut corners on trace heavy metal content or microbiological standards, regularly verifying that our materials comply with the most recognized benchmarks, including JECFA and the Codex Alimentarius.
Ask anyone in this business, and they’ll explain that Disodium 5'-Inosinate originates from the breakdown of nucleic acids, sourced predominantly from natural substrates such as bonito fish and certain fermentation broths. Disodium 5'-Guanylate typically comes from fungal sources—often a select strain of Aspergillus—processed to extract the nucleotide guanosine monophosphate. These raw materials, carefully isolated and refined, offer a mild but intensely savory effect on the palate. On their own, each compound generates little excitement compared to glutamate, the main component of MSG. Here’s the revelation: combining E631 or E627 with glutamate brings about a potent, almost exponential flavor lift called “umami synergy.” Through our work on formulation and pilot testing, we've seen recipe sodium levels fall by 30‒40% in soups, seasonings, and processed snacks, all without sacrificing customer satisfaction. For large-scale food manufacturers, this means producing healthier products that still satisfy—an achievement confirmed by sales data across Asia, Europe, and North America.
Delivering flavor enhancers at scale brings challenges that extend beyond chemical synthesis. Over the years, evolving customer demands have forced tight control over purity and trace substances. As natural sources vary in nucleotide concentration, we go to significant lengths to standardize the inputs: everything from the feedstock’s origin to the pH of extraction. Our purification steps avoid undesirable byproducts like ribonucleotides not specified in the monograph, which can cloud the powder’s clarity and cause off-tastes in end products. Temperature and humidity play crucial roles during crystallization. Too much heat or uncontrolled water content will ruin a whole batch, wasting days of labor and expensive raw material. Our production lines include in-line sensors, rapid-drying equipment, and high-efficiency filtration, consistently fine-tuned according to real-time analytical feedback. We audit key points throughout the process and use high-performance liquid chromatography for every lot. This is much more than just a checkbox—it’s the assurance we give our buyers, especially when they, in turn, face regulatory audits or customer scrutiny.
Every manufacturer making bouillon cubes, instant noodles, seasonings, canned soups, and snack powders relies on meaningful, measurable taste improvements. Adding Disodium 5'-Inosinate or Disodium 5'-Guanylate offers results that go far past cost-cutting substitutions for MSG. Food scientists recognize the value these ingredients provide in masking bitterness and off-notes in processed formulations. For plant-based and vegan foods, where deep, meaty flavors don’t come from animal fat or naturally occurring glutamates, our nucleotides jumpstart the characteristic “brothiness” people crave in stew, vegan mince, or mushroom soups. The difference is easy to spot in blind taste panels—recipes fortified with I+G achieve higher palatability scores and greater finished product loyalty.
Seasoning blenders choose pure nucleotides or I+G mixtures because precise dosing delivers predictable flavor enhancement. Fine powders incorporate quickly into spice blends, while granules work well for soup bases or bouillon cubes, preserving flowability and reducing dust. In processed foods—notably snacks or instant noodles—the inclusion rate rarely exceeds 0.03%. This results in massive batch outputs without perceptible bitter aftertaste or harshness. We’ve also worked with seasoning houses exploring how these ingredients stabilize power blends and preserve freshness—moisture retention stays stable over long shipments, reducing clumping and manufacturing downtime.
The world of flavoring agents teems with substitutes and analogs. Monosodium glutamate (MSG) remains a household name, but even MSG falls short of the depth offered by nucleotide enhancers. Research consistently shows Disodium 5'-Inosinate and Disodium 5'-Guanylate enable more efficient use of MSG, boosting overall savor while allowing sodium reduction. Unlike many hydrolyzed vegetable protein or yeast extracts, these nucleotides present pure, targeted enhancement without introducing the broader profile that sometimes muddies flavor architecture.
On average, the presence of E631 and E627 multiplies MSG’s effectiveness up to sevenfold. Product development trials bear out this synergy, helping R&D teams carve out the signature taste required to stand out in crowded markets. In our own facilities, repeated feedback from partner companies highlights the advantages of clean-label authenticity, improved taste retention on storage, and reliable color in the finished goods. These factors have made Disodium 5'-Inosinate and Disodium 5'-Guanylate staples in many shelf-stable foods where formulation constraints and processing rigors are high.
Some manufacturers attempt to replace nucleotide-based flavor enhancers with less expensive ingredients such as basic salt, stock powders, or plant extracts. While these options save cents in the short run, they frequently limit shelf life and require higher inclusion rates to get similar flavor impact. Most notably, salt and simple acidulants tend to overpower the food matrix, forcing compensatory changes in recipe design. As a direct producer with years of sensory analysis and formulation experience, we stand by the precision and subtlety of Disodium 5'-Inosinate and Disodium 5'-Guanylate.
Nucleotide flavor enhancers rely on globally sourced feedstock. We procure RNA-rich fish, yeast, and select fungi—always maintaining relationships at origin to manage traceability, cost, and environmental impact. Fluctuations in raw material costs demand constant negotiation and process innovation. For instance, we have pioneered enzyme-assisted extraction, achieving improved yield and purity even from less-than-ideal starting substrate. This approach significantly reduces the environmental impact from chemical extraction solvents and minimizes energy waste.
Beyond extraction, meeting cross-border regulatory requirements is non-negotiable. Many food safety authorities worldwide impose stringent criteria for nucleotide purity, residue levels, and microbiological counts. Our labs maintain Good Manufacturing Practice certification and operate continuous batch records, a method that builds confidence among international auditors and allows rapid recall or trace analysis if the unexpected occurs. Over time, maintaining clear documentation and rigorous in-house analytic protocols has proven essential—both for product quality and for keeping pace with evolving local rules. We’ve dedicated resources to ongoing staff training and third-party audits, anticipating issues before they interrupt global supply.
Food authenticity and allergen traceability have become central concerns for customers and authorities. Our internal risk assessment teams oversee process changes affecting source declarations, allergen status, or process controls. In the event of suspected cross-reactivity, we can trace each lot from farm, fishery, or fermentation tank through to shipment, down to the ingredient lot. This level of scrutiny ensures we support formulators who manage complex declarations or export to sensitive regions.
Many consumers express skepticism toward food additives, raising questions about synthetic or “chemical-sounding” names. Around the world, markets increasingly favor clean-label claims—“no MSG,” “no artificial flavor enhancers,” and similar. As a manufacturer, we work with food developers to clarify what “clean” or “natural” really means in practice, given that both Disodium 5'-Inosinate and Disodium 5'-Guanylate can be derived from fermentation or animal/fish origins. Our technical staff regularly helps navigate label declarations, offering insight into source, process, and allergen status so marketing teams can communicate accurately and honestly.
Customer priorities also include non-GMO sourcing, sustainable fisheries, and responsible upstream processing. While these demands present real logistical hurdles, our sourcing team prioritizes long-term supply partnerships and certifications where feasible. We work with independent third-party laboratories to conduct DNA sequencing or PCR testing, verifying the absence of genetically modified organisms according to market regulations. For other buyers who require vegan or animal-free status, we supply documentary evidence regarding fermentation origins and manage dedicated process lines to prevent cross-contact. Delivering these assurances means open, ongoing dialogue—not just paperwork.
It’s impossible to ignore public debate around flavor enhancers. News cycles have at times fixated on the supposed health risks of MSG and nucleotides, often confusing facts or overstating risk. Scientific reviews from regulators, including the US FDA and European Commission, reaffirm the safety of Disodium 5'-Inosinate and Disodium 5'-Guanylate at levels used in food. Still, fears and misconceptions remain stubborn in public discourse. As a manufacturer, we commit to transparency, supporting partners who seek to explain the science rather than hide behind jargon or ambiguity.
Ultimately, whether craft chef or global FMCG leader, those who have worked hands-on with I+G products see the predictable, controlled improvement in everything from broth to snacks. The functional benefits—masking off-flavors, stabilizing shelf life, enabling sodium reduction—are not marketing copy but field-tested results measured in production trials. Where real-world evidence meets regulatory clearance, responsible ingredient use becomes a foundation for satisfying, safe food.
Looking ahead, the food industry faces mounting complexity: health trends, traceability rules, sustainability demands, and shifting consumer expectations. As a chemical manufacturer, we help customers adapt by continuing to invest in greener extraction technology, closed-loop water management, and smarter process automation. For instance, enzyme-assisted extraction not only raises nucleotide yield but also curbs the carbon footprint and water use in our factories, responding to both business and environmental imperatives.
Collaboration with academia and research groups helps us refine application, dosage, and risk assessment protocols for every new use case. As plant-based proteins and meat alternatives rise, the demand for clean, authentic umami grows. Working with these innovators, we’ve demonstrated how Disodium 5'-Inosinate and Disodium 5'-Guanylate play a pivotal part in flavor design—especially where other enhancers fall short. These partnerships push us to raise the bar for consistent, transparent, and ethical ingredient production.
We regularly get asked how food will change with the next wave of consumer demands. Nutritious, lower-salt, and boldly flavored foods are here to stay. Through direct engagement, open sharing of science, and a spirit of problem-solving, we help shape this future—not just as a supplier, but as a partner invested in both product quality and the broader well-being of the communities we serve.
With over two decades working directly in flavor chemical synthesis and formulation support, our view remains grounded in hands-on experience. Disodium 5'-Inosinate and Disodium 5'-Guanylate offer clear, measurable impact in both culinary and commercial food development. Their story is not about abstraction or myth, but continuous work—sourcing, testing, refining, and supporting those who use them to create food worth remembering. This work takes commitment to science, honesty in communication, and a steady investment in both people and technology.
