Potassium citrate, also known as tripotassium citrate, is a potassium salt of citric acid used extensively in food manufacturing as a buffer, acidity regulator, emulsifier, and chelating agent. It appears as a white granular powder or transparent crystals that are freely soluble in water and almost insoluble in alcohol. For food producers serving kosher markets, potassium citrate is available in USP/FCC kosher-certified grades from multiple suppliers.
The ingredient carries the E number E 332 and is classified as a natural or bio-based product since citric acid is typically produced through fermentation of plant-derived sugars. Its broad functionality and clean regulatory profile make it a versatile tool for formulators working under kosher dietary requirements.
Kosher Certification for Potassium Citrate
Potassium citrate is generally considered low-risk for kosher compliance because its raw materials are plant and mineral-derived. Citric acid is produced through microbial fermentation of corn or cane sugar substrates, and potassium hydroxide or potassium carbonate serves as the neutralizing base. Neither component typically involves animal-sourced materials.
However, manufacturers should still obtain formal kosher certification from a recognized agency. Shared production equipment, fermentation media supplements, and anti-caking agents in the finished product can all introduce kosher compliance risks.
Food and Beverage Applications
In beverages, potassium citrate regulates acidity while contributing potassium, making it popular in sports drinks, fruit juices, and enhanced water products. It acts as a buffer to maintain stable pH throughout the product’s shelf life, preventing flavor shifts caused by acid degradation. Univar Solutions describes its kosher-grade potassium citrate as having natural or bio-based sustainability characteristics, which appeals to clean-label formulation trends.
In dairy applications, potassium citrate serves as an emulsifier in processed cheese, helping to maintain smooth texture and prevent fat separation during heating. It is also used in jellies, jams, confections, and gelatin-based products as a stabilizer. The ingredient functions as a sequestrant, binding metal ions that could otherwise catalyze oxidation and off-flavor development.
Available Grades and Specifications
Potassium citrate is offered in several grades for different applications. The FCC (Food Chemicals Codex) grade meets purity requirements for direct food use.
The USP grade satisfies United States Pharmacopeia standards for pharmaceutical applications. Many suppliers offer combined USP/FCC/Kosher products that meet all three standards simultaneously.
The monohydrate form (C6H5K3O7-H2O) is the most common commercial grade. It is highly hygroscopic and deliquescent, meaning it readily absorbs moisture from the air. Storage in sealed, moisture-proof containers is essential.
Available packaging includes 500 g and 2.5 kg poly containers for small-scale use, as well as 50 lb bags for commercial manufacturing. The specific gravity is approximately 1.98 at 20 degrees Celsius.
Kosher Compliance in the Supply Chain
Maintaining kosher integrity extends beyond the manufacturing facility. Potassium citrate shipped in bulk must be transported in clean containers that have not previously held non-kosher substances. Buyers receiving large orders should confirm that warehouse storage conditions prevent cross-contamination with non-certified ingredients.
For manufacturers producing kosher-labeled finished goods, every ingredient in the formula must carry valid kosher certification. Potassium citrate’s pareve classification means it can be used in both meat and dairy product lines without creating conflicts.
Keeping certificates on file and verifying expiration dates during each procurement cycle ensures continuous compliance during audits.
Kosher Potassium Citrate Supplier
We supply bulk food-grade potassium citrate from top manufacturers in China. We help you handle the entire bulk ingredients sourcing process in China: manufacturer selection (top Chinese food ingredients manufacturers), price negotiation, quality verification, and logistics coordination.
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