Potassium Sorbate Powder – Premium Food-Grade Preservative from Shaanxi Nuoyuan Biotech

Potassium Sorbate Powder 99% by Shaanxi Nuoyuan Biotech for worldwide food and industrial use with stringent requirements of FCC and E202. Our product has good water solubility of 58.2g/100ml at 20°C, moisture content kept under 1.0%.

We have a 30,000㎡ ISO 9001 certified factory with 20,000 tonnes yearly processing capacity and ready stock for rapid export. We have 5 HPLC testing methods to make sure that each batch has the best antifungal performance in pH 3-6.5 settings.

This white to off-white crystalline powder keeps products intact without impacting flavour, colour or smell, tackling important microbial spoiling issues for beverage, dairy, bread and personal care producers.

Potassium Sorbate Powder – Premium Food-Grade Preservative from Shaanxi Nuoyuan Biotech

Certificate of Analysis (COA)

Product Name	Potassium Sorbate	Batch number	/
Batch quantity	50000kgs	Country of origin	China

Analysis Item	Specification	Results
Appearance	White to off- white granular	Conforms
Odor /Taste	Slight characteristic odor	Conforms
Solubility	Freely soluble in water and practically insoluble in ether	Conforms
Heat Stability	No change in color after heating for 90 min at 105 ℃	Conforms
Identification Test	1. Potassium test: Passes Test 2. Test of double bonds:Passes Test 3. UV: conforms with standard spectrum	Conforms
Assay (on dry weight basis)	99% - 101%	100.8%
PH-Value(10% water solution)	8.5 - 10.5	9.5
Loss on Drying	≤ 1.0%	0.2%
Transmittance	≥ 87%	91.79%
Clarify	Passes Test	Conforms
Alkalinity(as K₂CO₃)	≤ 1.0%	0.12%
Chloride(as Cl)	≤ 0.018%	< 0.018%
Sulfate(as SO₄)	≤ 0.038%	< 0.038%
Aldehydes(as formaldehyde)	≤ 0.1%	< 0.1%
Heavy Metals(as Pb)	≤ 10ppm	< 10ppm
Lead (Pb)	≤ 2ppm	< 2ppm
Arsenic (As)	≤ 3ppm	< 3ppm
Cadmium (Cd)	≤ 0.02ppm	< 0.02ppm
Mercury (Hg)	≤ 1ppm	< 1ppm
Total Plate Count	≤ 100cfu/g	< 100cfu/g
Yeast and Mold	≤ 100cfu/g	< 100cfu/g
Coliform	≤ 30cfu/g	< 30cfu/g
Staphylococcus aureus	Negative	Conforms
Conclusion：	Conform to EC directives, EP, FCC, GB1886.39-2015, USP, Purity requirements of the FAO/WHO.
Shelf life:	24 months under the conditions above and in its original packaging.

Technical Properties: Engineered for Industrial Efficiency

The product is potassium sorbate (C6H7KO2) and is designed to disperse rapidly in aqueous media. It is highly water soluble and hence suitable for use in in-line injection systems and batch mixing procedures.

The chemical is thermally stable to pasteurisation cycles up to 85°C. Unlike sodium benzoate, it retains antifungal activity in mildly acidic formulations without imparting off-notes.

This production technique results in a constant particle size distribution (80 mesh, 97% pass rate) for uniform dispersion in emulsions and suspensions. Technical accuracy lowers waste and makes your manufacturing process run more smoothly.

You’ll love its clean-label appeal--GRAS (Generally Recognised As Safe) by FDA and certified under E202 in Europe, so regulatory compliance is easy for worldwide distribution.

Potassium Sorbate Powder Key Benefits and Applications

Food & Beverage Preservation

In juice production lines, Potassium Sorbate Powder prevents secondary fermentation during cold-fill operations. It protects carbonation integrity in soft drinks while extending shelf life of fruit concentrates by 40–60%.

For dairy makers, it prevents surface mould on cheeses and prolongs the freshness of yoghurt without harming the lactic cultures. In bakery applications it is used to avoid rope deterioration in high moisture bread products.

Personal & Industrial Care Solutions

Used in lotions and shampoos when regular parabens meet consumer opposition, it is used by cosmetic formulators. Ideal for natural product lines due to its stability in complicated emulsions with plant extracts.

Wine makers depend on this to stop the yeast from acting up after fermentation, preserving flavour characteristics throughout extended ageing. The powder form allows for simple inclusion into dry blends for sauces and spice mixtures.

Advantages in Supply Chain

Your logistics staff will love its stability in tropical transportation – no need for refrigeration. Our powder guarantees product quality via multi-modal transport networks over 90+ countries.

Potassium Sorbate Powder Key Benefits and Applications

Manufacturing Process: From Raw Material to Ready Stock

We begin with pharmaceutical grade sorbic acid neutralised with potassium carbonate in controlled aqueous settings. The process is performed at optimal temperatures (45-55°C) to maximise yield and avoid deterioration.

After neutralisation, the solution is subjected to vacuum evaporation to concentrate the product. Then multi step crystallisation is done to provide homogenous granules with predictable dissolving rates.

Each batch has 5 quality checkpoints: HPLC, ICP-MS for heavy metals, and microbiological testing. In our traceability system, each 25kg drum can be traced back to its source ingredients and processing settings.

The vertical integration from raw material testing to final packaging removes supply chain weaknesses. We roll 6 month inventories to fit your just-in-time production schedules.

Quality Certifications You Can Trust

Our facility holds:

ISO 9001 Quality Management System Certificate – Ensuring consistent production protocols and continuous improvement
HALAL Certification – Meeting Islamic dietary law requirements for Middle Eastern and Asian markets
STAR-K Certification – Kosher certification recognized across North America and Europe
FDA Registration – Compliant with U.S. food additive regulations for direct market access

Third-party testing services available through SGS, Eurofins, and Intertek upon request. All documentation provided in English for seamless customs clearance.

Quality Certifications You Can Trust

Flexible Packaging Options

We've designed packaging tiers to match your order scale:

Package Size	Material	Ideal For
100g	Food-grade plastic + aluminum foil bag	Laboratory testing, R&D trials
1kg	Food-grade plastic + aluminum foil bag	Small-batch production, sampling
5kg	Food-grade plastic + aluminum foil bag	Pilot runs, medium-scale testing
10kg	Food-grade plastic + aluminum foil bag	Bulk trial orders, scale-up validation
25kg	Fiber drum (standard commercial)	Full production, inventory stocking

All of the packing materials are FDA 21 CFR 177 approved for direct food contact. Inner liners offer moisture barriers that preserve the <1.0% standard over 24 month shelf life.

Flexible Packaging Options

Worldwide Transportation Types

Express Shipping: DHL, FedEx, UPS, EMS, USPS for order <100kg, usually 5-7 working days to main cities.

Air Cargo Cost economical for 100kg-1,000kg cargo with 7-10 day delivery windows. We combine orders for cheap freight prices.

Sea Cargo - Good value for container cargoes (20ft or 40ft) Transit duration 25 - 45 days. We provide CIF, FOB or DDP terms according on your preferred Incoterms.

All bundling is in accordance with IATA/IMDG dangerous goods laws (non-hazardous categorisation). Documentation: COA, MSDS, phytosanitary certifications and import permissions for certain countries (if required).

Worldwide Transportation Types

Warehouse & Shipping

Our Teams

Exhibitions

Frequently Asked Questions

Q: Minimum order quantity?

A: We provide 100g samples for testing. MOQ for commercial orders is 25kg, trial orders from 1kg are flexible.

Q: How fast you can ship after purchase confirmation?

A: Ready stock ships in 2 business days. Custom specs take 10-15 days for manufacture and QC testing.

Q: Does the product remain stable in high-temperature climates?

A: Yes, it has 99% assay at 24 months in sealed containers at temperatures less than 25°C even under tropical circumstances.

Q: Can we have samples produced with our private label for market testing?

A: Definitely. We provide OEM services including bespoke package design and small-batch private label for pre-launch testing.

Q: Is technical support available for formulation development?

A: Our R&D team offers dosage recommendations and compatibility testing to optimize your product formulations.

Q: What payment terms do you accept?

A: T/T, L/C, PayPal for samples. Flexible terms available for established partnerships and repeat orders.

Contact Us

Ready to secure your supply of premium Potassium Sorbate Powder? Reach out for quotations, samples, or technical inquiries at sales@nuoyuanbio.com today.