Citrates

Food Grade Citrates for Commercial and Industrial Supply

Kolod supplies potassium, magnesium, calcium, zinc, and ammonium citrate compounds for food and ingredient sourcing – with each citrate selected by function, mineral content, solubility, and processing requirements for consistent formulation performance.

Food Grade Zinc Sulfate Heptahydrate
Jiangsu Kolod Food Ingredients Co., Ltd. supplies Food Grade Zinc Sulfate Heptahydrate (ZnSO₄·7H₂O, CAS No. 7446-20-0) for food fortification and nutritional premix applications where permitted by...
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Food Grade Potassium Citrate
Potassium Citrate Monohydrate is the monohydrated potassium salt of citric acid. It is used as an acidity regulator, buffering agent, and sequestrant in food and beverage formulations.
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Magnesium Citrate Nonahydrate
Magnesium Citrate Nonahydrate (CAS No. 153531-96-5) is a hydrated magnesium citrate with the molecular formula C₁₂H₂₈Mg₃O₂₃ and a molecular weight of 613.25 g/mol. It is supplied as a white to...
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Calcium Citrate Tetrahydrate
Manufactured by Jiangsu Kolod Food Ingredients Co., Ltd., our Tricalcium Citrate Tetrahydrate is supplied for food ingredient processing, calcium fortification, and selected industrial formulations.
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Food Grade Zinc Citrate
Food Grade Zinc Citrate is an organic zinc source specifically designed for food processing, dietary supplements, and nutritional formulations.
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Food Grade Ammonium Citrate
Jiangsu Kolod Food Ingredients Co., Ltd. manufactures and supplies food-grade ammonium citrate for food ingredient sourcing and formulation requirements. Our Food Grade Ammonium Citrate is...
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Food Grade Ammonium Citrate Monobasic
Jiangsu Kolod Food Ingredients Co., Ltd. supplies Food Grade Ammonium Citrate Monobasic as a white crystalline powder. Product specifications, COA, TDS, packaging details, and applicable...
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Strategic Product Matrix & Application Guide

Product Name	Primary Functional Role	Key Target Applications	Standard Compliance
Food Grade Potassium Citrate	Acidity Regulator, Buffer, Potassium Fortificant	Sports drinks, low-sodium foods, dairy, beverages	FCC / USP / E332
Magnesium Citrate Nonahydrate	Bioavailable Magnesium Source, Anti-caking Agent	Dietary supplements, functional drinks, infant formula	Food Grade / Pharmacopeial
Calcium Citrate Tetrahydrate	High-Absorption Calcium Fortificant, Firming Agent	Plant-based dairy alternatives, bakery, fortificants	FCC / USP / E333
Food Grade Zinc Citrate	High-Bioavailability Zinc Fortificant, Nutritional Supplement	Gummies, tablet formulations, functional premixes	Food Grade / USP
Food Grade Zinc Sulfate Heptahydrate	Trace Element Fortificant, Mineral Feed/Food Additive	Premixes, nutritional beverages, food supplements	Food Grade / FCC
Food Grade Ammonium Citrate	Emulsifying Agent, pH Buffer, Processing Aid	Processed cheese, confectionery, specialized food processing	Food Grade / FCC
Food Grade Ammonium Citrate Monobasic	Acidulant, Processing Buffering Agent	Fermentation media, technical food processing, acidity adjustment	Industrial/Food Grade

Purity Standards and Impurity Control

Assay and Composition:

Each citrate compound is evaluated against its applicable assay specification – ensuring the active content meets your formulation requirements.

Impurity Limits:

Relevant impurities are controlled and documented per product specification – with heavy metal limits and other contaminant thresholds confirmed for your application.

Moisture Content:

Where required, moisture content is specified and tested – particularly important for hydrated compounds where water content affects composition and dosage calculations.

Specification-Sensitive Orders:

Identify your required purity level and acceptance criteria before purchasing – aligning material selection with formulation requirements and incoming quality controls.

Controlled Manufacturing and Process Management

Raw Material Selection: Incoming raw materials are qualified against established specifications – with vendor qualification, COA verification, and identity testing before release to production.

Process Parameter Control: Critical process parameters – including reaction temperature, pH, concentration, and crystallization conditions – are monitored and controlled within validated ranges to ensure batch-to-batch consistency.

In-Process Checks: Intermediate materials are tested at key production stages – enabling early detection of deviations and preventing out-of-specification material from progressing downstream.

Final Product Inspection: Finished products undergo comprehensive testing – including assay, impurity profile, moisture, and physical characteristics – against the agreed specification before release.

Specification Alignment: Where special specifications apply, requirements are agreed upon before order confirmation – supporting a clear and traceable purchasing process with full documentation.

Batch Consistency for Reliable Formulation

Critical Parameter Control: Assay, moisture content, particle size distribution, and hydration state are controlled within defined limits – differences in these parameters can affect material handling, dosing accuracy, and formulation calculations.

Specification and Acceptance Limits: Clear specifications and acceptance criteria are established for each product – enabling you to compare batches, assess incoming materials, and manage changes between orders with confidence.

Certificate of Analysis (CoA) per Batch: Each batch is supported by a batch-specific CoA documenting actual test results against the agreed specification – providing traceability and supporting your incoming quality control.

Repeat Order Alignment: For recurring purchases, we align the approved specification with the criteria used for routine quality checks – ensuring consistency between your initial approval and subsequent deliveries.

Change Management: Any proposed changes to raw materials, process parameters, or specifications are communicated in advance – allowing you to evaluate impact before the next order.

Customized Packaging, Storage & Global Logistics SOPs

Packaging Solutions:

• Standard: 25kg multi-layer Kraft paper bags with inner PE food-grade lining.
• Moisture Protection: Aluminum foil vacuum packaging options for moisture-sensitive hygroscopic grades.
• Bulk Orders: 500kg / 1,000kg FIBC Jumbo bags on heat-treated ISPM-15 wooden or plastic pallets.

Handling & Storage SOP:

• Store in cool, dry, well-ventilated warehouse environments away from direct heat sources and incompatible strong acids.
• Maintain ambient temperatures (< 30°C) and relative humidity (< 60%) to ensure maximum shelf life (24–36 months standard shelf life).

Logistics Capabilities:

• Full Container Load (FCL) and Less than Container Load (LCL) shipments via major ports (Shanghai / Lianyungang).
• Customized private labeling (OEM) and customized pallet shipping configurations available upon request.

Quality Assurance & Regulatory Compliance

Certification Suite: FSSC 22000, ISO 9001:2015, ISO 22000, Halal, Kosher, and non-GMO declarations.

Third-Party Verification: Regular batch testing through independent accredited laboratories (SGS / Eurofins) for Heavy Metals, Microbes, and Pesticide Residues.

Batch Traceability: Full lot tracking from raw material intake to final container loading.

Documentation Package Provided:
• Certificate of Analysis (COA) per batch
• Safety Data Sheets (SDS / MSDS) compliant with REACH / OSHA GHS
• Regulatory Compliance Statements (Allergen, Non-GMO, BSE/TSE Free, BSE Declaration)

FAQ

Q: How do I choose the right citrate for my formulation?

A: Start with the exact chemical compound required, then confirm mineral content, hydration state, assay, impurity limits, and applicable regulatory requirements. For new formulations, have your technical team evaluate the material against the intended use before production approval.

Q: Are all citrate compounds suitable for food applications?

A: No – Suitability depends on the specific compound, grade, specifications, intended use, and destination market regulations. Confirm the product is appropriately documented and permitted for your application before purchase.

Q: What is the difference between ammonium citrate and ammonium citrate monobasic?

A: Ammonium citrate is a general designation covering different chemical forms; monobasic ammonium citrate is a specific form. Confirm exact chemical identity and specification – not just the product name.

Q: Why does hydration state matter when purchasing magnesium or calcium citrate?

A: Hydration affects molecular composition and mineral content per unit mass. When comparing quotations or switching suppliers, check hydration state and assay basis to ensure materials are technically comparable.

Q: Can I request a Certificate of Analysis before ordering?

A: Yes – Specify your CoA requirements when requesting a quotation. Confirm whether a representative specification or batch-specific CoA is available at the relevant stage.

Q: What information should I include in an RFQ?

A: Include exact product name, required grade, target specification, estimated quantity, packaging preference, destination country, target delivery date, and any mandatory documentation – helping us assess your request efficiently.

Q: How long does delivery take for bulk orders?

A: The delivery time depends on product supply, quantity, packaging, order confirmation and destination. Standard products usually can be provided within 10 to 20 days. Please share your expected delivery schedule when making the inquiry so that we can review the supply and transportation arrangements.

Q: Can I request samples before placing a bulk order?

A: Yes – Sample requests can be discussed with our sales team. Please specify product, sample quantity, destination, and intended evaluation. Availability, sample charges, and shipping arrangements confirmed individually.

Q: Do you support recurring orders?

A: Yes – Provide estimated annual or quarterly demand, typical order quantity, and required delivery frequency. These details help us assess a suitable ordering and supply arrangement.

We are one of the most professional citrates manufacturers and suppliers in China, featured by quality products and good price. Please rest assured to wholesale bulk premium citrates made in China here and get free sample from our factory. Customized orders are welcome.