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Sorbic acid powder, also known as herbal tea acid, 2,4-hexadienic acid, 2-propenyl acrylic acid, molecular formula C6H8O2, CAS 110-44-1. White crystalline powder, slightly soluble in water, soluble in propylene glycol, anhydrous ethanol and methanol, glacial acetic acid, acetone, benzene, carbon tetrachloride, cyclohexane, dioxane, glycerol, isopropanol, isopropyl ether, methyl acetate, toluene. Do not decompose under normal temperature and pressure, avoid contact with strong oxides. Exists in fragrant tobacco leaves and smoke, it is a food additive that has inhibitory effects on various fungi such as yeast and mold. It is also used in animal feed, cosmetics, pharmaceuticals, packaging materials, and rubber additives. It is a food additive that has inhibitory effects on many fungi such as yeast and mold. It is also used in animal feed, cosmetics, pharmaceuticals, packaging materials, and rubber additives. It is an efficient and safe preservative widely used in industries such as food, beverages, tobacco, pesticides, cosmetics, etc.
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Chemical Formula |
C6H8O2 |
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Exact Mass |
112 |
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Molecular Weight |
112 |
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m/z |
112 (100.0%), 113 (6.5%) |
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Elemental Analysis |
C, 64.27; H, 7.19; O, 28.54 |
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Sorbic acid powder, also known as cooling tea acid, 2,4-hexadienic acid, or 2-propenyl acrylic acid, with a molecular formula of C6H8O2, is an unsaturated fatty acid that can participate in metabolic processes in the human body and be digested and absorbed, producing carbon dioxide and water.
1. Preservatives
Sorbic acid is an effective preservative that can inhibit the growth and reproduction of microorganisms, thereby extending the shelf life of food. In the food industry, sorbic acid is often used for the preservation of the following products:
(1) Beverages: Sorbic acid can be used as a preservative for various beverages such as fruit juice drinks, carbonated drinks, and tea drinks. Due to the high sugar and water content in beverages, which can easily breed microorganisms, adding sorbic acid can effectively extend the shelf life of beverages.
(2) Jam: Jam is a high sugar, high acid food that is prone to the growth of mold and yeast. Sorbic acid can inhibit the growth of these microorganisms, thereby maintaining the quality and taste of jam.
(3) Pastry: Pastry products such as bread and cakes are prone to microbial growth due to their high moisture and sugar content. The addition of sorbic acid can effectively extend the shelf life of pastries and maintain their taste and flavor.
(3) Dairy products: Sorbic acid is also used as a preservative for dairy products such as yogurt, cheese, etc. These dairy products usually contain probiotics, and sorbic acid can inhibit the growth of harmful microorganisms, thereby maintaining the quality and safety of dairy products.
2. Antioxidants
In addition to serving as a preservative, sorbic acid also has certain antioxidant properties. It can react with oxygen in food, thereby slowing down the oxidation process of food and extending its shelf life. Sorbic acid is often used as an antioxidant in the following foods:
(1) Oil based foods: Oil based foods such as cooking oil and fried foods are prone to spoilage due to oxidation. The addition of sorbic acid can effectively slow down the oxidation process of these foods, thereby extending their shelf life.
(2) Nut based foods: Nut based foods such as peanuts and walnuts also contain high levels of oil and fat. The addition of sorbic acid can maintain the taste and flavor of these foods while extending their shelf life.
3. Seasoning agents
Sorbic acid itself has a special refreshing taste, so it can also be used as a seasoning. Sorbic acid is often used as a seasoning in the following foods:
Candy: Sorbic acid can give candy a cool taste, making it more delicious.
Chewing gum: Adding sorbic acid to chewing gum can not only enhance its taste, but also have anti-corrosion and preservation effects.
Application Cases
1. Application in meat products
In meat products, sorbic acid is often used as a preservative and antioxidant. Due to the rich protein and fat content in meat products, it is easy to breed microorganisms and undergo oxidative reactions, leading to spoilage. The addition of sorbic acid can effectively inhibit the growth and reproduction of microorganisms, while slowing down the occurrence of oxidation reactions, thereby extending the shelf life of meat products. For example, adding sorbic acid to meat products such as sausages and ham can maintain their taste and flavor while extending their shelf life.
2. Application in dairy products
In dairy products, sorbic acid powder is also widely used as a preservative and antioxidant. Dairy products are rich in protein and fat, as well as beneficial microorganisms such as probiotics. The addition of sorbic acid can inhibit the growth of harmful microorganisms while maintaining the activity of probiotics, thereby maintaining the quality and safety of dairy products. For example, adding sorbic acid to yogurt can extend its shelf life while maintaining its taste and flavor.
3. Application in fruit and vegetable products
In fruit and vegetable products, sorbic acid is often used as a preservative and preservative. Fruit and vegetable products contain rich nutrients such as vitamins and minerals, as well as high levels of water and sugar, which can easily breed microorganisms and undergo oxidation reactions. The addition of sorbic acid can effectively inhibit the growth and reproduction of microorganisms, while slowing down the occurrence of oxidation reactions, thereby maintaining the nutritional content and taste of fruit and vegetable products. For example, adding sorbic acid to fruit and vegetable products such as jam and juice can extend their shelf life while maintaining their taste and flavor.
4. Application in baked goods
In baked goods, sorbic acid is often used as a preservative and antioxidant. Baked foods contain high levels of oil and sugar, which can easily breed microorganisms and undergo oxidation reactions. The addition of sorbic acid can effectively inhibit the growth and reproduction of microorganisms, while slowing down the occurrence of oxidation reactions, thereby extending the shelf life of baked goods. For example, adding sorbic acid to baked goods such as bread and cakes can maintain their taste and flavor while extending their shelf life.
The reason why sorbic acid has anti-corrosion function is mainly attributed to its unique chemical structure and mechanism of action.
The following is a detailed explanation of the preservative principle of sorbic acid:
Inhibition of microbial growth:
Sorbic acid inhibits the growth and reproduction of microorganisms through its acidic environment and interaction with microbial enzymes.
This inhibitory effect is particularly evident in food, as there are usually many types and quantities of microorganisms in food, and sorbic acid can effectively reduce the number of these microorganisms, thereby extending the shelf life of food.
Disrupting the structure of microbial cells:
Sorbic acid can also damage the cell walls and membranes of microorganisms, leading to the leakage of substances inside microbial cells and causing them to lose their ability to survive.
This destructive effect is effective for microorganisms such as bacteria and fungi, so sorbic acid has a wide range of applications in anti-corrosion.
The action mechanism of sorbic acid powder is mainly shown in the following aspects:
It can coagulate or denature the protein of microorganisms, thus interfering with their growth and reproduction.
Preservatives have effects on microbial cell walls and cell membranes. Because it can destroy or damage the cell wall, or can interfere with the mechanism of cell wall synthesis, resulting in the leakage of intracellular substances, or affect the respiratory chain electron transmission system related to the membrane, which has the effect of anti-microbial.
It acts on the genetic material or genetic particle structure, and then affects the replication, transcription, protein translation, etc. of genetic material.
It acts on the enzyme system in the body of microorganism, inhibits the activity of enzyme and interferes with its normal metabolism.
Preservative mechanism foods are mostly animal and plant tissues, which contain certain nutrients
Water and acids that can decompose food. When storing food, due to the improper control of temperature, humidity, environmental sanitation and other factors, the enzymes in various bacterial microorganisms will continue to metabolize, and the saturated fatty acids in the food will be oxidized and dehydrogenated, forming unsaturated fatty acids, leading to food decay and deterioration. However, adding a proper amount of sorbic acid can control the activity of dehydrogenase, prevent the oxidation and dehydrogenation of fatty acids, and thus inhibit the growth and reproduction of various bacterial microorganisms in food. As sorbic acid is an unsaturated fatty acid with conjugated diene bond, it belongs to acidic preservative. Under the condition of pH<6, its diene bond is the same as that of food. The sulfur-hydrogen group of microbial enzyme in the form of covalent bond, which makes the sulfur-hydrogen group lose its vitality, thus inhibiting the reproduction of microorganisms, and achieving the function of food preservation.
FAQ
Is sorbic acid good or bad for you?
The FDA has declared that sorbic acid and potassium sorbate are generally recognized as safe food preservatives. Sorbic acid, also known as 2,4-hexadienoic acid, is a natural organic substance that is used to preserve food.
Is sorbic acid banned in Europe?
Summary. The European Union (EU) has approved the combined use of sorbic acid (E 200) and potassium sorbate (E 202) in non-heat-treated plant-based mousses. The EU has determined that additional dietary exposure to this additive through this new use is not liable to affect human health.
Is sorbic acid safe for skin?
Is It Safe? The U.S. Food and Drug Administration considers sorbic acid to be safe for regular use, as it's not linked to cancer or other major health problems. Some people can be allergic to sorbic acid, but reactions are typically mild and consist of light skin itching.
Is sorbic acid hazardous?
SYMPTOMS: This compound may cause severe irritation. High concentrations are extremely destructive to tissues of the mucous membranes and upper respiratory tract, skin and eyes. The greatest danger from ingestion of large quantities of this compound (2 g/kg) is intestinal obstruction.
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