Gluconic Acid E574
Gluconic Acid is a food-grade organic acid used by manufacturers for mild acidification, pH control, buffering support, flavour balance, mineral-ion management and process stability. Compared with sharper food acids, it is often considered when a formulation requires controlled acidity, clean taste contribution, metal-ion complexing behaviour or compatibility with beverages, dairy systems, sauces, dressings, meat, seafood and prepared foods.
Product identity
| Product | Gluconic Acid |
|---|---|
| Common names | D-Gluconic Acid, E574, INS 574 |
| Chemical description | Organic acid derived from oxidation of glucose |
| Category | Acidulants & Acidity Regulators |
| Function | Acidity regulator / acidulant / pH control agent / buffering ingredient / sequestrant |
| E / INS number | E574 / INS 574 |
| CAS / identity | 526-95-4 |
| Molecular formula | C6H12O7 |
| Typical commercial form | Aqueous solution or crystalline grade, depending on supplier specification |
| Key characteristic | Mild acid profile with gluconate-based mineral-ion complexing behaviour |
Application fit
Potential use areas may include:
- Beverages and beverage concentrates
- Sauces, dressings, condiments and marinades
- Dairy systems and cheese-style applications
- Meat, poultry and seafood processing
- Fruit preparations, fillings and confectionery systems
- Bakery fillings and ready-to-use mixes
- Prepared foods, ready meals and savoury systems
- Mineral-sensitive formulations requiring sequestration support
Technical overview
Gluconic Acid is a mild organic acid associated with gluconate chemistry. In food manufacturing, it is mainly evaluated for acidity regulation, pH adjustment, buffering support and sequestration of selected metal ions. These properties can help formulation teams manage flavour balance, colour stability, mineral interactions, preservative efficiency, protein behaviour and final product consistency.
The practical performance of Gluconic Acid depends on the food matrix. Important variables include water activity, target pH, titratable acidity, salt content, mineral profile, protein level, sugar level, heat treatment, filling temperature, preservative system, packaging type and expected shelf life. For industrial use, buyers should evaluate the ingredient in the final formulation rather than relying only on generic dosage guidance.
Functional performance in food systems
Acidity regulation
Gluconic Acid can be used to adjust pH and support acidity balance. Its acid profile is generally considered mild, making it useful in products where aggressive sourness is not desired.
Buffering support
In combination with food salts and the natural buffering capacity of the formulation, Gluconic Acid can contribute to more stable pH behaviour during processing, holding and storage.
Sequestration
The gluconate system can interact with selected metal ions. This is valuable in mineral-sensitive formulations where metal ions may influence colour, flavour, oxidation, turbidity, deposit formation or process stability.
Flavour management
Gluconic Acid can support sourness, freshness and flavour balance without necessarily producing the same sharp acid note associated with stronger acidulants. Final sensory impact depends on dosage, pH, sweetness, salt, flavour system and product matrix.
Typical industrial applications
| Application area | Technical role | Purchasing notes |
|---|---|---|
| Beverages and concentrates | pH adjustment, mild acidity, flavour balance and mineral-ion management. | Check clarity, colour stability, taste profile, final pH, preservative compatibility and mineral content. |
| Sauces, dressings and condiments | Acidity regulation, pH support, flavour rounding and preservation-system support. | Evaluate interaction with salt, sugar, starch, hydrocolloids, emulsifiers, vinegar, citric acid and preservatives. |
| Dairy and cheese-style systems | pH correction, mineral balance support and acid profile adjustment. | Trial against milk solids, protein level, calcium balance, heat treatment and target texture. |
| Meat, poultry and seafood | Formulation-level pH control, pickling support, mineral interaction management and flavour balance. | Verify permitted use, target pH, water binding, colour impact, salt level, cure system and labelling rules. |
| Fruit preparations and confectionery | Acid balance, fruit flavour enhancement, pH correction and mineral-sensitive colour support. | Check compatibility with colours, pectin, sugar solids, heat treatment and packaging conditions. |
| Bakery fillings and prepared foods | pH control, flavour rounding and shelf-life formulation support. | Review thermal stability, filling temperature, water activity, starch or gum system and final sensory profile. |
Formulation and process considerations
- Target pH: define the required final pH, measurement temperature and sampling point in the production process.
- Titratable acidity: sensory acidity and microbial hurdle performance depend on more than pH alone.
- Mineral profile: calcium, iron, magnesium and other ions may affect colour, oxidation, turbidity, scale formation and ingredient performance.
- Preservative system: acidification may influence the effectiveness of preservatives such as sorbates or benzoates, depending on formulation and local rules.
- Protein behaviour: in dairy, meat, seafood and plant-protein systems, pH changes can affect solubility, water holding, gelation and texture.
- Heat treatment: pasteurisation, hot filling or retorting may alter sensory profile, colour stability and interaction with other ingredients.
- Liquid handling: if supplied as an aqueous solution, confirm concentration, density, viscosity, pump compatibility, storage tank material and freeze or heat exposure limits.
- Dry handling: if supplied as powder or crystals, confirm particle size, dusting tendency, flowability, moisture sensitivity and blending uniformity.
Comparison with related acidulants
| Ingredient | Main technical difference | When to evaluate |
|---|---|---|
| Gluconic Acid | Direct mild acidification with gluconate-based sequestration behaviour. | When flavour smoothness, pH control and mineral-ion management are important. |
| Glucono Delta Lactone | Gradually hydrolyses to gluconic acid and provides delayed acidification. | When slow pH reduction, protein gelation or controlled coagulation is required. |
| Citric Acid | Sharper acid taste with strong acidulant performance and chelating ability. | When strong sourness, rapid pH reduction or citrus-type acidity is desired. |
| Lactic Acid | Acidulant with dairy-like, fermented or rounded acid notes. | When fermented flavour character or meat and dairy processing compatibility is required. |
| Acetic Acid / Vinegar | Distinct vinegar profile with strong sensory identity. | When pickled, vinegar or savoury acid character is part of the product profile. |
Technical purchasing notes
When reviewing Gluconic Acid, compare the supplier specification against the intended food application, process conditions, target function, label expectations and local rules. For industrial purchasing, the most useful inquiry normally includes target grade, assay or active content, concentration for liquid grades, physical form, packaging size, quantity, annual demand, destination country and document requirements.
For repeat production, the buyer should request a representative specification, safety data sheet and certificate of analysis before approving the ingredient. Application trials should check pH curve, titratable acidity, sensory profile, colour stability, turbidity, mineral interaction, preservative performance, packaging compatibility, shelf-life behaviour and batch-to-batch consistency.
Specification points to compare
| Parameter | Why it matters |
|---|---|
| Assay / active content | Confirms concentration and enables accurate dosage calculation in the formulation. |
| Solution concentration | For liquid grades, concentration affects dosing rate, storage, freight cost and process calculations. |
| Appearance and colour | Important for beverages, clear systems, light-coloured sauces and customer quality control. |
| Odour and taste | Helps identify off-notes that may influence sensitive flavour systems. |
| pH and acidity | Supports predictable formulation behaviour and production reproducibility. |
| Density or specific gravity | Useful for liquid dosing, tank calibration and mass-balance calculations. |
| Chloride and sulphate | Relevant for purity, corrosion risk, taste and customer specification compliance. |
| Reducing substances | Can influence colour development, flavour stability and processing performance. |
| Heavy metals, lead and arsenic | Required for food safety, import clearance and customer quality systems. |
| Microbiological criteria | Relevant for beverages, dairy systems, ready-to-eat foods and sensitive applications. |
| Packaging integrity | Protects against leakage, contamination, moisture exposure and transport damage. |
| Shelf life and storage | Supports inventory planning, warehouse control and export shipment approval. |
Quality, documentation and compliance
Food manufacturers should qualify Gluconic Acid through both document review and application testing. The document set should confirm identity, grade, composition, batch traceability, origin, shelf life, storage conditions and compliance with the buyer’s destination market. For multinational buyers, the same product may require different declarations depending on the target country, label format and food category.
Documents to request
- Product specification or technical data sheet
- Certificate of analysis for the available batch or lot
- Safety data sheet where applicable
- Food-grade statement and intended-use declaration
- Origin, manufacturer, shelf-life and recommended storage information
- Allergen, GMO, vegan, halal or kosher statements where required
- Heavy metals, microbiology and contaminant declarations when required by the buyer
- Label draft, packaging details, net weight, gross weight and pallet configuration
- Market-specific declarations for the destination country
- Commercial invoice, packing list, certificate of origin and other export documents when applicable
Packaging, storage and logistics
Gluconic Acid may be supplied as an aqueous solution or in dry crystalline form depending on supplier capability and customer requirement. Liquid grades require attention to drum, IBC or tanker compatibility, closure integrity, handling equipment, pumpability, storage temperature and leakage prevention. Dry grades require protection against moisture uptake, contamination, dusting and caking.
Store the product in a clean, dry and well-ventilated area, away from incompatible materials, strong odours and direct contamination sources. For export inquiries, buyers should specify preferred Incoterms, destination port or delivery address, required shelf life on arrival, pallet restrictions, label language, customs documents and whether the shipment requires halal, kosher, certificate of origin or other market-specific paperwork.
Industrial supplier qualification
For recurring industrial purchases, supplier approval should include document verification, representative sample testing, trial production and batch-to-batch comparison. Buyers may request information about food safety certification, traceability, recall procedure, change-control policy, manufacturing site standards and lead-time reliability. Where Gluconic Acid is used in beverage, dairy, sauce or mineral-sensitive systems, small changes in concentration, impurity profile or packaging condition may affect production performance.
How to request this product
Send the product name, target grade or reference specification, required concentration, quantity, destination country, packaging preference, expected shipment date and required documents. If you already purchase Gluconic Acid, attach or describe your existing specification, label, technical data sheet or certificate of analysis so supplier options can be compared more accurately.
Best inquiry details
- Product name: Gluconic Acid / E574 / INS 574
- Required grade and reference standard
- Liquid concentration or dry-grade requirement
- Target application and food category
- Annual demand and first-order quantity
- Packaging size and pallet preference
- Destination country and delivery term
- Required documents and certifications
Application questions to include
- Target pH and measurement point
- Required titratable acidity or sensory target
- Process temperature and hold time
- Liquid dosing or dry blending method
- Mineral, protein, salt or buffer level in the formula
- Preservative system and shelf-life target
- Any restricted ingredient or label requirement
Useful answers
What is Gluconic Acid used for in food manufacturing?
Gluconic Acid is used for acidity regulation, pH control, mild acidification, buffering support, sequestration, flavour balance and process stability. Exact suitability depends on grade, food category, process conditions, target pH, local regulations and supplier documents.
How is Gluconic Acid different from Glucono Delta Lactone?
Gluconic Acid is already in acid form and contributes directly to pH adjustment. Glucono Delta Lactone gradually hydrolyses to gluconic acid in water, creating delayed acidification. The choice depends on acidification speed, formulation target and process timing.
Is Gluconic Acid suitable for beverages and sauces?
Gluconic Acid may be evaluated in beverages, sauces, dressings, condiments and marinades where mild acidification, pH control, flavour balance or mineral-ion management is required. Final use should be confirmed through formulation trials and regulatory review.
Which documents should be requested?
Buyers commonly request a technical data sheet or specification, certificate of analysis, safety data sheet where applicable, origin statement, shelf-life information, allergen and GMO statements, halal or kosher certificates, label and packing details, and market-specific declarations.
Can Global Food Additives source Gluconic Acid?
Global Food Additives can review sourcing options for Gluconic Acid according to target specification, concentration, quantity, destination, packaging and required documentation.
Is this product permitted in every country?
No. Food additive use depends on destination-market rules, food category, use level, label requirements and buyer responsibility. Always verify regulatory status in the intended market before commercial use.
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Send product names, target specifications, quantity, destination country, packaging preference, delivery term, and document requirements. Our team will review your inquiry and respond from [email protected].
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