Cas:590-00-1 Potassium Sorbate powder
| product name |
Potassium Sorbate |
| cas number |
590-00-1 |
| apperance |
White crystal powder |
| Density |
1.363 g/cm3 (25ºC) |
| MF |
C6H7KO2 |
| MW |
150.21700 |
Potassium sorbate, also known as potassium 2,4-hexadienoate, is a potassium salt of sorbic acid, with a molecular formula of C6H7O2K, white to light yellow scaly crystals, crystal particles or crystal powder, odorless or slightly odorous, long-term exposure to the air It is easy to absorb moisture, discolor by oxidation and decomposition. Easily soluble in water, soluble in propylene glycol and ethanol. It is often used as a preservative, which destroys many enzyme systems by combining with the sulfhydryl group of the microbial enzyme system. Its toxicity is much lower than other preservatives and is currently widely used. Potassium sorbate can fully exert its antiseptic effect in acidic medium, but has little antiseptic effect under neutral conditions.
As the least toxic food preservative, potassium sorbate is widely used in food and feed processing industries, as well as in cosmetics, cigarettes, resins, fragrances, and rubber industries. However, it is most widely used in food preservation and feed.
Animal feed industry
The United States and the European Union both use potassium sorbate as a legal feed additive for animal feed. Potassium sorbate can inhibit the growth of mold in the feed, especially the formation of aflatoxin. So adding potassium sorbate can effectively prevent the putrefaction of the feed, and it can still resist the growth of microorganisms in the animal intestine. . In addition, the neutral taste of potassium sorbate is suitable for use in feed, because animals are more sensitive to changes in the taste of food than humans. In addition, as an unsaturated fatty acid, potassium sorbate can be regarded as a feed ingredient and can be easily digested without any adverse effects on animals. Feed is prone to spoilage during storage, transportation and sales, so potassium sorbate has a huge application market in the feed industry.
Food containers and packaging materials
The purpose of food packaging is to protect the contents. At present, food packaging materials that use active substances to improve the function of materials, in addition to the function of extending the shelf life of the packaged food, can also maintain the nutrition and safety of the food. In 2009, my country promulgated and implemented the GB 9685-2008 hygienic standard, clearly stipulating the allowable amount of potassium sorbate in food containers and packaging materials and the maximum residue limit of potassium sorbate. In the aspect of plastic production, it can be used in an appropriate amount according to production needs. The usage amount of rubber is 0.1%, and the paper aspect is used according to production needs. At the same time, there is no requirement for the residual amount of sorbic acid.
In summary, potassium sorbate can be directly added, impregnated, sprayed or sprayed with dry powder when used. At the same time, there are also many flexible ways to handle packaging materials. In terms of development trend, because potassium sorbate has the same properties as natural products, it can be applied The scope and usage will gradually expand.
Food preservatives
Potassium sorbate is widely used as a food preservative. my country approved and promulgated standards in 1982, stipulating that the allowable concentration in noodle products, pickles, canned food, dried fruit, dairy products and condiments is 0.02% to 0.1%. The addition of 1% potassium sorbate to meat products can significantly inhibit the production of Clostridium toxin. At the same time, sorbic acid is widely used in low-alcohol wine, beer and wine, and has ideal antiseptic effects. The Food and Agriculture Organization (FAO) has formulated a series of standards for food, clearly stipulating that the maximum dosage of potassium sorbate is 0.28/kg. Each country refers to this standard and sets strict standards for use according to their own conditions. Using potassium sorbate to treat packaging materials can extend the shelf life of foods such as bread and dry crumbs. In view of the limitations of the application of single food additives and the limitations of physical properties, domestic and foreign is currently vigorously researching and developing compound food additives, so as to exert synergistic effects to achieve the best effect.
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