1. Introduction
Potassium Sorbate is the potassium salt of sorbic acid, widely recognized as one of the safest, most efficient, and most cost-effective broad-spectrum antimicrobial preservatives in the global food and cosmetic industry. It appears as white crystalline powder or granules, odorless and tasteless, with excellent water solubility and stable chemical properties.
Different from ordinary preservatives, potassium sorbate exerts powerful inhibitory effects on molds, yeasts, and spoilage bacteria in acidic and near-neutral environments (pH ≤ 6.5). It can effectively extend the shelf life of various products without changing the original flavor, color, and texture of finished goods. Approved by global authoritative institutions, it is non-toxic and easily metabolized by the human body into carbon dioxide and water without residual hazards, qualifying it as a mainstream preservative for safe industrial production.
2. Core Product Advantages
Our factory-grade potassium sorbate stands out in the international market with superior quality and stable performance, possessing irreplaceable competitive advantages:
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Powerful Antimicrobial Activity: Its preservative efficiency is 5-10 times higher than sodium benzoate. It works well in near-neutral pH systems where traditional preservatives fail, effectively inhibiting microbial reproduction and preventing product deterioration and mildew.
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Excellent Stability & Process Adaptability: It features high thermal stability with a decomposition temperature up to 270°C. It remains active and stable during conventional pasteurization, high-temperature baking, and industrial sterilization processes, with no efficacy loss during production and processing.
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Superior Solubility & Uniform Dispersion: Fast and complete dissolution in water, ethanol and other common solvents, no precipitation or stratification. It can be evenly dispersed in liquid beverages, sauces and solid mixed materials to ensure consistent preservative effect of each batch of products.
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Safe & Zero Sensory Impact: Pure formula with no peculiar smell or bitter taste. Within the standard dosage range, it will not affect the taste, fragrance and nutritional value of products, meeting the high sensory requirements of high-end food and cosmetics.
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Global Full Compliance Certification: The product complies with FCC, EP, BP international standards, and has passed FDA GRAS certification, FAO/WHO JECFA evaluation, as well as HALAL, KOSHER, HACCP and ISO9001 quality system certifications. It can smoothly pass customs inspection in Europe, America, Southeast Asia, Middle East and other global markets.
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Diversified Specifications & Stable Supply: We provide fine powder, medium granules and coarse granules to meet different production processes of customers. With independent production lines and large monthly output, we support long-term bulk orders and customized packaging services.
3. Working Principle
After dissolving in aqueous medium, potassium sorbate dissociates to release sorbic acid, which penetrates the cell membrane of molds, yeasts and spoilage bacteria. It blocks the key enzyme system of microbial energy metabolism, inhibits microbial growth and reproduction, and achieves long-term anti-mildew and fresh-keeping effects. Unlike strong sterilizers, it adopts a mild inhibitory mechanism, which will not damage the product matrix and effectively maintain the original quality of products.
4. Wide Range of Applications
Potassium sorbate has versatile applicability and is widely used in multiple industries worldwide:
Food & Beverage Industry (Main Application)
It is the preferred preservative for beverages, fruit juices, wine, tea drinks, dairy products (yogurt, cheese, cream), bakery products (bread, cake, pastries), meat products (ham, sausage, dried aquatic products), condiments (soy sauce, vinegar, jam), pickled vegetables, candies and dried fruits, effectively delaying product spoilage and extending shelf life.
Cosmetic & Personal Care Industry
As a mild and safe paraben alternative preservative, it is added to lotions, creams, shampoos, facial masks, toothpaste and perfumes to prevent microbial contamination and mildew growth, ensuring the safety and shelf stability of daily chemical products.
Feed & Agricultural Industry
Used as a high-efficiency feed mold inhibitor for livestock, poultry and aquaculture feed to reduce feed mildew loss. It can also be used for fresh-keeping treatment of post-harvest fruits and vegetables to slow down rot and prolong storage time.
Other Industrial Fields
It can be used as pharmaceutical excipients, tobacco preservatives, and anti-mildew agents for water-based emulsions, adhesives and latex products, with broad industrial application prospects.
5. Product Technical Specifications
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Test Item
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Standard Specification
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Appearance
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White crystalline powder / granules
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Purity (C₆H₇KO₂)
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99.0% - 101.0%
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Loss on Drying
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≤ 0.5%
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pH Value (1% Aqueous Solution)
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7.0 - 8.5
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Lead (Pb)
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≤ 2mg/kg
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Arsenic (As)
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≤ 1mg/kg
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Heavy Metals & Microorganisms
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Compliant with international export standards
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Shelf Life
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24 months (sealed and dry storage)
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6. Packaging & Shipping Information
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Standard Packaging: 25kg carton with inner PE plastic bag; customized 10kg/20kg packaging is available
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HS Code: 2916190090
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MOQ: 500KG; 20GP full load: 13MT
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Payment Terms: T/T, L/C at sight, flexible terms for long-term cooperative clients
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Storage Condition: Store in cool, dry and ventilated warehouse, avoid moisture, high temperature and direct sunlight
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Export Service: Complete set of export documents (COA, MSDS, SGS test report, certificate of origin, etc.) to support global customs clearance
7. Why Choose Our Potassium Sorbate?
We are a professional manufacturer and exporter of food additives with more than 10 years of overseas market operation experience, serving customers in over 60 countries and regions around the world. We always take high-quality products and professional services as our core competitiveness:
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Strict Quality Control: Full-process quality inspection from raw material procurement, production synthesis, purification crystallization to finished product delivery, zero unqualified products delivered.
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Factory Direct Price: No middlemen markup, cost-effective price, helping customers reduce procurement costs.
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Fast Delivery: Sufficient spot inventory for trial orders, bulk orders delivered within 7 working days to ensure customer production cycle.
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Professional Technical Support: Provide free sample testing, product formula guidance and customized solutions according to customer product systems.
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One-stop Export Service: Provide full set of certification documents and customs clearance materials, solve all export problems for customers.
Welcome global buyers, distributors and factory purchasers to consult for the latest quotation, free samples and technical support. We look forward to establishing long-term stable and win-win cooperative relationships with you!
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