Monopotassium Glutamate E622
Monopotassium Glutamate, also known as potassium glutamate or MPG, is a food-grade glutamate flavour enhancer used to build umami, savoury depth, brothiness, meatiness, flavour roundness and overall taste balance. It is especially relevant where formulators want glutamate functionality while reviewing sodium-conscious, potassium-based or differentiated savoury systems.
Industrial buyers typically evaluate Monopotassium Glutamate for seasonings, soups, bouillons, sauces, snacks, instant noodles, meat products, seafood systems, meat analogues, ready meals and savoury dry blends. This page is prepared as a structured starting point for sourcing, sensory evaluation, specification review, regulatory document collection, supplier comparison and quotation requests.
Product identity
| Product | Monopotassium Glutamate |
|---|---|
| Common names | Potassium glutamate; glutamic acid potassium salt; monopotassium L-glutamate |
| Common abbreviation | MPG |
| Category | Flavour Enhancers & Taste Modifiers |
| Function | Flavour enhancer / umami ingredient / savoury taste modifier / sodium-conscious glutamate source |
| E / INS number | E622 / INS 622 |
| CAS / identity | 19473-49-5; confirm exact hydrated or anhydrous identity by supplier documentation |
| Ingredient family | Potassium salt of glutamic acid |
| Typical form | White crystalline powder, granule, fine crystal or application-specific blend |
| Key purchasing variables | Assay, purity, particle size, solubility, moisture, pH, potassium content, sodium content, heavy metals, microbiology, origin, certifications and packaging |
Application fit
Potential industrial use areas may include:
- Seasonings, spice blends and savoury premixes
- Soups, bouillons, stocks and instant noodles
- Sauces, gravies, marinades and condiments
- Snacks, chips, crackers and coated nuts
- Meat products, poultry, seafood and processed foods
- Plant-based meat analogues and hybrid meat systems
- Ready meals, frozen meals and sodium-conscious savoury systems
Technical overview for food manufacturers
Monopotassium Glutamate provides glutamate-driven umami while contributing potassium instead of sodium as the counter-ion. For formulators, this makes it useful in projects where savoury performance, sodium optimization, potassium contribution, flavour continuity and finished-label strategy must be considered together. It should be evaluated as part of a complete taste system, not as a simple one-to-one replacement for salt, MSG, yeast extract or hydrolyzed protein.
In industrial practice, Monopotassium Glutamate may be used with sodium chloride, potassium chloride, yeast extract, hydrolyzed vegetable protein, disodium or dipotassium ribonucleotides, onion powder, garlic powder, mushroom notes, meat flavours, smoke flavours, acids, sugars, spices and thermal-process flavours. The correct balance depends on product type, dosage, pH, fat level, protein system, sweetness, acidity, spice intensity, consumer preparation method and shelf-life conditions.
Umami performance and sodium-conscious formulation
The main functional value of Monopotassium Glutamate is the delivery of savoury umami impact with potassium-based mineral contribution. In sodium-conscious products, it may help formulators maintain savoury depth while adjusting the balance between sodium chloride, potassium chloride and other umami ingredients.
- Umami enhancement: supports savoury fullness, brothiness, meatiness and flavour depth in liquid, dry and semi-solid foods.
- Sodium-conscious design: can be evaluated in formulas where sodium reduction or sodium replacement is part of the development brief.
- Potassium contribution: adds potassium to the finished product and should be included in nutrition and claim calculations.
- Flavour continuity: helps reduce flatness and can improve the persistence of savoury notes after dilution, cooking or reheating.
- Bitterness balancing: may help round bitter, metallic or harsh notes from potassium chloride, plant proteins, minerals or spices.
- Synergy with nucleotides: may be used with inosinate, guanylate or yeast-derived ingredients where permitted and technically suitable.
- Cost-in-use control: can reduce the need for higher levels of expensive savoury flavours in some systems, subject to sensory validation.
Application guidance by food category
Monopotassium Glutamate should be selected according to finished-product taste target, sodium strategy, potassium limits, label requirements and process conditions. It may not match MSG exactly in taste balance because the potassium counter-ion can affect mineral perception, especially at higher use levels or in low-salt systems.
Seasonings and dry blends
In dry seasoning systems, Monopotassium Glutamate can contribute savoury lift, umami impact and sodium-conscious positioning. It is reviewed in spice blends, snack seasonings, noodle sachets, soup powders, bouillons and savoury premixes.
- Match particle size with salt, potassium chloride, sugar, yeast extract and carriers to reduce segregation.
- Check flowability, caking, dusting and blend uniformity during storage and filling.
- Validate taste after the seasoning is applied, diluted, cooked or consumed.
- Review potassium declaration and any sodium-reduction or mineral claim language.
Soups, bouillons and instant noodles
In soups and noodle seasoning systems, E622 can support brothiness, meatiness, vegetable depth and taste persistence after dilution in hot water. It may be paired with MSG, yeast extract, hydrolyzed protein, ribonucleotides or potassium chloride depending on sodium and label strategy.
- Measure final taste after the intended dilution ratio.
- Check solubility, clarity and sediment in broth systems.
- Evaluate mineral aftertaste, bitterness and salt perception.
- Confirm sodium and potassium values in the finished nutrition panel.
Sauces, marinades and condiments
In sauces, marinades and condiments, Monopotassium Glutamate can help round tomato, soy, meat, mushroom, roasted, fermented, garlic, onion and spice notes. It should be evaluated at the target pH, salt level, sugar level and heat process.
- Validate performance in acidic, salty, sweet or high-solids systems.
- Check taste after pasteurization, hot fill, retort or chilled storage.
- Evaluate compatibility with gums, starches, acids, preservatives and flavour emulsions.
- Confirm label declaration and permitted use in the destination market.
Meat, poultry and seafood systems
In meat and seafood applications, E622 may support savoury intensity, cooked flavour perception and potassium-based seasoning design. It should be assessed together with salt, phosphates, proteins, spices, smoke notes, marinades and cooking process.
- Measure flavour before and after cooking or reheating.
- Check compatibility with brines, tumbling, injection, dry seasoning and coating systems.
- Review potassium contribution and sodium targets.
- Validate chilled, frozen and cooked shelf-life taste stability.
Plant-based and hybrid meat systems
Plant-based proteins often require support for umami, masking and flavour continuity. Monopotassium Glutamate can be reviewed in plant-based burgers, sausages, nuggets, kebab-style products, mince, seafood analogues and hybrid meat products.
- Evaluate masking of beany, pea, cereal, fungal, bitter or mineral notes.
- Test synergy with yeast extract, mushroom, soy sauce powder, smoke, Maillard flavours and fat systems.
- Confirm vegan, vegetarian, halal or kosher suitability from documents.
- Validate taste after frying, grilling, baking, freezing and thawing.
Ready meals and frozen foods
In ready meals and frozen foods, Monopotassium Glutamate can support savoury consistency after distribution, reheating and shelf life. It is useful in rice dishes, noodles, sauces, stews, frozen meals, savoury fillings and meal kits.
- Test sensory performance after declared shelf life.
- Evaluate microwave, oven, steam or pan-heating instructions.
- Check water migration, flavour dilution and mineral balance after freeze-thaw.
- Confirm consumer-facing nutrition, sodium and potassium declarations.
Formulation and process-control notes
Monopotassium Glutamate is generally straightforward to incorporate, but industrial performance depends on particle size, blend uniformity, dissolution, dosage accuracy, sensory threshold and the overall mineral system. It is especially important to evaluate total potassium perception when the formula also contains potassium chloride, potassium phosphates, potassium lactate or potassium citrate.
- Dry blending: match particle size with salt, potassium chloride, sugar, spices and carriers to reduce segregation.
- Liquid systems: dissolve fully before final taste adjustment and check clarity or sediment where the product requires a clear solution.
- Potassium balance: monitor total potassium contribution and possible bitter, metallic or mineral aftertaste.
- Sodium optimization: test E622 with sodium chloride reduction levels and potassium chloride replacement systems.
- Heat processing: evaluate flavour after pasteurization, retort, baking, frying or hot filling because the complete flavour system can shift.
- Synergy systems: assess interaction with yeast extract, HVP, nucleotides, smoke flavours, onion, garlic, mushroom, tomato and spice extracts.
- Sensory limits: excessive glutamate or potassium mineral contribution may create lingering, heavy, bitter or unbalanced taste.
- Claim review: verify whether “reduced sodium,” “potassium source,” “no added MSG,” “clean label” or “natural” claims are compatible with the formula and local law.
Specification checkpoints before purchasing
For industrial purchasing, buyers should compare the supplier’s specification against the intended application, sensory target, sodium strategy and destination-market rules. Monopotassium Glutamate is less commonly traded than MSG in some markets, so documentation quality, lead time, MOQ and regulatory support should be checked early.
Core quality parameters
- Assay or purity of Monopotassium Glutamate
- Identification and E622 / INS 622 confirmation where applicable
- Appearance, colour, odour and taste
- Particle size, mesh size or crystal distribution
- Moisture or loss on drying
- pH of aqueous solution
- Potassium content and sodium content where relevant
- Specific rotation or optical purity where specified
- Chloride, sulphate or other inorganic impurities where specified
- Clarity and colour of solution where required
- Heavy metals, arsenic and lead limits
- Microbiological limits for food-grade supply
Commercial and compliance checks
- Food-grade and intended-use statement
- Origin and manufacturing-site information
- Fermentation substrate or manufacturing-process information where available
- Allergen, GMO, irradiation and BSE/TSE declarations
- Halal, kosher or other certification if required
- Destination-market regulatory declaration
- Packaging size, liner type and pallet configuration
- Minimum order quantity, lead time and available shelf life
Sodium and potassium nutrition positioning
Monopotassium Glutamate is often reviewed when a formulation team wants glutamate-driven umami while reducing reliance on sodium-containing flavour enhancers. It does not automatically make a product low sodium, reduced sodium or nutritionally improved. The finished product must be assessed by full formulation calculation, laboratory verification where required, sensory testing and market-specific claim rules.
A sodium-conscious trial should compare the current formula, a reduced-salt formula without Monopotassium Glutamate, and one or more formulas using E622 with sodium chloride, potassium chloride, yeast extract or nucleotide systems. The final choice should be based on taste, aftertaste, sodium value, potassium value, cost-in-use, consumer acceptance, shelf-life stability and label approval.
Regulatory and labelling considerations
Monopotassium Glutamate is commonly identified as E622 / INS 622, but permission, use level, food-category restrictions and label declaration depend on the destination market. Buyers should confirm whether the additive must be declared as monopotassium glutamate, potassium glutamate, flavour enhancer E622, INS 622 or another market-specific label term.
Special care is needed for claims involving “no added MSG,” “MSG free,” “reduced sodium,” “potassium source,” “no artificial additives,” “natural flavour” or clean-label positioning. These claims can be sensitive when the formula contains other glutamate-rich ingredients such as yeast extract, hydrolyzed vegetable protein, soy sauce powder, fermented sauces, tomato powder, cheese powders, mushroom extracts or added nucleotides.
Quality assurance and validation plan
A structured approval process helps avoid problems in flavour balance, potassium aftertaste, sodium-claim approval, blend uniformity, supplier documentation and commercial production. For large-volume savoury products, sensory validation should be treated as a quality-control requirement, not only a development activity.
- Document screening: review TDS, specification, COA, food-grade statement, regulatory declaration, allergen status, GMO status, origin and certifications.
- Bench formulation: test multiple E622 levels against the current formula and target sodium or potassium profile.
- Synergy trial: evaluate E622 with sodium chloride, potassium chloride, yeast extract, ribonucleotides, flavours, acids, sugars and spices.
- Process trial: run through real blending, heating, filling, coating, cooking, drying or freezing conditions.
- Sensory panel: assess umami intensity, saltiness, bitterness, mineral aftertaste, harshness, balance and consumer preference.
- Analytical review: confirm sodium value, potassium value, label declaration, additive status and finished-product nutrition data.
- Shelf-life check: monitor flavour stability, aroma drift, caking, moisture pickup and overall product quality during storage.
- Commercial approval: finalize grade, supplier, specification, use level, packaging, MOQ, lead time and release criteria.
Storage, handling and logistics
Food-grade Monopotassium Glutamate is typically supplied as a dry crystalline powder or granule. It should be stored in clean, dry, odour-free warehouse conditions, protected from moisture, pests, contamination and damaged packaging. Opened bags should be resealed or transferred into controlled containers to prevent contamination and moisture pickup.
Packaging options to confirm
- Net weight per bag, carton, drum or big bag
- Inner liner and moisture barrier
- Particle size or mesh grade on label
- Batch code, production date and expiry format
- Pallet configuration and container loading data
- Export label language and country-specific marking
Purchasing information to provide
- Target application and finished product type
- Required grade, assay, particle size or benchmark sample
- Target sodium and potassium positioning
- First-order quantity and annual volume estimate
- Destination country and delivery term
- Preferred packaging size
- Required certificates and declarations
- Target shipment date and destination port
Documents to request
The document package should be agreed before purchase, especially for regulated markets, multinational food manufacturers, private-label products, sodium-conscious claims and export shipments.
- Product specification or technical data sheet
- Certificate of analysis for available batch or lot
- Safety data sheet where applicable
- Food-grade, intended-use and regulatory compliance statement
- E622 / INS 622 statement where applicable
- Origin, manufacturer and manufacturing-site information
- Assay, pH, moisture, particle size and impurity profile
- Potassium content and sodium content where relevant
- Allergen, GMO, irradiation and BSE/TSE declarations where required
- Halal, kosher or other certification if required
- Heavy metal, arsenic, lead and microbiological specifications
- Shelf-life, storage and handling information
- Label draft, packaging details and pallet configuration
- Market-specific declarations required by the destination country
How to request this product
Send the product name, E number, target grade or reference specification, particle size preference, intended application, sodium-reduction or potassium-positioning target if relevant, quantity, destination country, packaging preference, delivery term, expected shipment date and required documents. If you already purchase Monopotassium Glutamate, attach or describe your current specification, supplier label, certificate of analysis or benchmark sample so supplier options can be compared more accurately.
Useful answers
What is Monopotassium Glutamate used for in food manufacturing?
Monopotassium Glutamate is used for umami, savoury depth, meatiness, brothiness, salt-perception support, sweetness modulation and overall taste balance. It is commonly reviewed for seasonings, soups, sauces, snacks, meat products, meat analogues, ready meals, noodles and savoury dry mixes.
What is the E number for Monopotassium Glutamate?
Monopotassium Glutamate is commonly identified as E622 or INS 622. Buyers should confirm the correct label declaration and permitted use according to the destination market and finished food category.
Is Monopotassium Glutamate the same as MSG?
No. MSG is monosodium glutamate, while Monopotassium Glutamate is the potassium salt of glutamic acid. Both are glutamate-based flavour enhancers, but their sodium and potassium contribution, taste balance and label declaration differ.
Can Monopotassium Glutamate help with sodium reduction?
It can be reviewed as part of a sodium-conscious savoury system because it provides glutamate functionality without the sodium counter-ion used in MSG. Final sodium reduction must be confirmed by sensory testing, nutrition calculation, potassium review and regulatory assessment.
Which specification parameters should be checked?
Buyers should check assay, purity, appearance, particle size, moisture, pH, solubility, potassium content, sodium content, chloride, sulphate, heavy metals, arsenic, lead, microbiological limits, origin, allergen status, GMO status, shelf life and storage conditions.
Can Global Food Additives source Monopotassium Glutamate?
Global Food Additives can review sourcing options for Monopotassium Glutamate according to target specification, particle size, application, quantity, destination, packaging and required documentation.
Which documents should be requested?
Buyers commonly request a technical data sheet or specification, certificate of analysis, safety data sheet where applicable, food-grade statement, origin statement, allergen and GMO declarations, halal or kosher certificate where required, shelf-life information, label and packaging details.
Is Monopotassium Glutamate permitted in every country?
No. Food additive use depends on destination-market rules, food category, use level, label requirements, sodium or potassium claims and buyer responsibility. Regulatory status should be verified before commercial use.
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