Product Description
Potassium Sorbate is a high-efficiency, low-toxicity broad-spectrum food preservative with purity ≥99%. It inhibits the reproduction of mold, yeast and aerobic bacteria by restraining microbial cell division. It has weak odor, good water solubility, stable property under weak acid and neutral conditions, and does not affect the original flavor of products. It is widely used as anti-corrosion & fresh-keeping agent in food, beverage, cosmetics, feed and pharmaceutical products. Compared with traditional preservatives, it has lower irritation and higher safety, and will not produce harmful residues after metabolism in human body.

COA
| Items | Specifications | Test Results |
|---|---|---|
| Appearance | White or off-white crystalline powder | Complies |
| Odor | Nearly odorless | Complies |
| Purity(Potassium Sorbate content) | ≥99.0% | 99.42% |
| Loss on Drying | ≤0.5% | 0.23% |
| Acidity (as sorbic acid) | ≤1.0% | 0.41% |
| Heavy Metal Total | <10mg/kg | Complies |
| Lead (Pb) | ≤2.0mg/kg | Complies |
| Arsenic (As) | ≤1.0mg/kg | Complies |
| Microbiology | ||
| Total Plate Count | ≤1000cfu/g | <1000cfu/g |
| Yeast & Moulds | ≤100cfu/g | <100cfu/g |
| E.Coli | Negative | Negative |
| Salmonella | Negative | Negative |
Functions and Effects
Broad-spectrum antibacterial & anti-mold performance Strong inhibitory effect on mold, yeast and aerobic bacteria, effective anti-corrosion and anti-mildew effect for most water-based products.
Excellent water solubility & formulation compatibility Fully dissolved in water without precipitation, compatible with most food and cosmetic raw materials, no stratification.
Good stability in weak acid & neutral environment Keep stable under pH 3.0–6.5, suitable for fruit drinks, dairy, sauces, skincare formulas.
Low toxicity & high edible safety Metabolized into carbon dioxide and water in human body, no toxic accumulation, allowed by international food safety standards.
No bad influence on product flavor Light odor, will not cover the original taste and fragrance of food and cosmetics.

Application Fields
It is widely used as compliant JECFA & GB2760 preservative in food and beverages including juice, yogurt, baked goods, meat, pickles and condiments with dosage 0.03%~0.2%; added to toner, cream, mask and daily care cosmetics at 0.1%–0.6% to inhibit mold and yeast with mild irritation; used as feed mildew inhibitor for livestock and aquaculture with adding amount 0.02%–0.1%; also applicable to water-based ointments, oral liquid medicine and waterborne industrial materials as auxiliary antiseptic agent.

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FAQ
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