Potassium sorbate is a versatile and effective food preservative that can extend the shelf life of various products. It is the potassium salt of sorbic acid, which is a naturally occurring organic compound. In the food industry, potassium sorbate is commonly used to inhibit the growth of molds, yeasts, and other microorganisms that can cause spoilage and foodborne illness.
This water-soluble, white crystalline powder has a slightly bitter taste. It is a safe and widely approved food preservative, and there are no known adverse health effects when used in recommended amounts.
Potassium sorbate is a popular choice for preserving a variety of foods, including baked goods, dairy products, and beverages. When combined with other preservatives, such as sodium benzoate, it can provide a broader spectrum of antimicrobial activity.
Product Name:
Potassium sorbate
CAS No.:
24634-61-5
Grade:
food additives
Chemical Formula:C
6H7KO2
TEST BASIS:GB 1886.39-2015
Item | Specification |
Appearance | white to off-white granular |
Assay(C6H7KO2),w/% | 98.0-101.0 |
Clarity test | Pass the test |
Free alkali test | Pass the test |
Drying decrement,w/% | ≤1.0 |
chloride(Cl),w/% | ≤0.018 |
sulfate(SO4),w/% | ≤0.038 |
aldehyde(HCHO),w/% | ≤0.1 |
heavy metal(Pb),w/(mg/kg) | ≤10 |
(As)/(mg/kg) | ≤3 |
(Pb)/(mg/kg) | ≤2 |
Mainly used as a food preservative. Cosmetic preservatives. It is an organic acid preservative. The addition is generally 0.5%. Can be used in combination with sorbate. Potassium sorbate is easily soluble in water and easy to use, but the pH value of its 1% aqueous solution is 7-8, which has the tendency to increase the pH value of cosmetics. Attention should be paid to it when using. Sorbate (potassium) can effectively inhibit the activity of mold, yeast and aerobic bacteria, so as to effectively extend the preservation time of food, and maintain the original flavor of food.
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