Potassium sorbate, also known as 2, 4-hexadienate potassium, is the potassium salt of sorbate, the molecular formula is C6H7O2K, white to light yellow scaly crystals, crystal particles or crystal powder, odorless or slightly smelly, long-term exposure to the air is easy to absorb moisture, be decomposed by oxidation and discoloration. Soluble in water, soluble in propylene glycol and ethanol. Often used as a preservative, it destroys many enzyme systems by binding with sulfhydryl groups of microbial enzyme systems, and its toxicity is much lower than other preservatives, which is widely used. Potassium sorbate can give full play to the anti-corrosion effect in acidic medium, and the anti-corrosion effect is small under neutral conditions.
Potassium sorbate, also known as 2, 4-hexadienate potassium, is the potassium salt of sorbate, the molecular formula is C6H7O2K, white to light yellow scaly crystals, crystal particles or crystal powder, odorless or slightly smelly, long-term exposure to the air is easy to absorb moisture, be decomposed by oxidation and discoloration. Soluble in water, soluble in propylene glycol and ethanol. Often used as a preservative, it destroys many enzyme systems by binding with sulfhydryl groups of microbial enzyme systems, and its toxicity is much lower than other preservatives, which is widely used. Potassium sorbate can give full play to the anti-corrosion effect in acidic medium, and the anti-corrosion effect is small under neutral conditions.
1) Mainly used as a preservative in the food industry, it can extend the shelf life of food.
2) It has good antibacterial effects against mold, aerobic spore producing bacteria, and gram-negative bacteria, and yeast is harmless.
3) This product can also inhibit the production of aflatoxin and is widely used for mold prevention and preservation of bread, pastries, soy sauce, soy products, jam, and canned foods.
4) Calculated by propionic acid, the maximum amount of calcium propionate used in wet noodle products (cut noodles, Wonton skin) is 0.25g/kg; The maximum usage in bread, vinegar, soy sauce, pastries, and soy products is 2.5g/kg.
5) Calcium propionate is also used as a feed preservative;
6) It can also be used for medicinal purposes, making liquids, powders, ointments, etc;
7) It also has a good effect on skin diseases caused by mold.
8) Calcium propionate also has the effect of strengthening calcium, so it can be used to supplement calcium in foods such as bread.
9) Calcium propionate can also inhibit the reproduction of Bacillus subtilis during dough fermentation. The minimum inhibitory concentration is 0.01% at a pH of 5.0, 0.188% at a pH of 5.8, and the optimal pH should be below 5.5
As the least toxic food preservative, potassium sorbate is widely used in the food and feed processing industry, but also in cosmetics, cigarettes, resins, fragrances and rubber industries. However, it is the most widely used in food preservation and feed.
Potassium sorbate is mainly used as a food preservative, because it has a very strong inhibition of mold and spoilage bacteria, and it is very soluble in water, so it is widely used. Potassium sorbate has been recommended by the Food and Agriculture Organization of the United Nations as a safe and effective food preservative. Potassium sorbate has low toxicity, good anti-mildew effect, does not change the original nature of food, easy to use, a wide range of applications, so many foreign developed countries have potassium sorbate as a good, efficient preservative, a large number of applications in food. At present, potassium sorbate in the domestic food industry also has a wide range of applications, with the continuous breakthrough of production costs and production technology, potassium sorbate as a low-toxicity, safe and efficient food preservative, its application range will continue to expand
Appearance |
White granular or powder |
Identification |
Conform Standard |
Assay |
98.0-101.0% |
Alkalinity (as K2CO3) |
≤1% |
Acidity (as sorbic acid) |
≤1% |
Aldehydes(as formaldehyde) |
≤0.1% |
Lead(PB) |
≤2mg/kg |
Mercury(HG) |
≤1 mg/kg |
Heavy metals(Pb) % |
≤10 mg/kg |
Arsenic %(as as) |
≤3 mg/kg |
Loss on drying % |
≤1% |
About the goods:
-Health products raw materials -Nutritional supplements -Cosmetic raw materials -Plant extract -Various types of raw materials |
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