Sodium sorbate

Sodium sorbate is a sodium salt of sorbic acid. It is a white crystalline powder that is used as a food preservative. Sodium sorbate has the chemical formula C6H7NaO2. It is soluble in water and can be used in a variety of applications.

History

Sodium sorbate was first discovered in the 1850s by August Wilhelm von Hofmann, a German chemist. It was later synthesized by Emanuel Merck, a German pharmacist, in the late 19th century. Sodium sorbate has been used as a food preservative since the early 20th century.

Production

Sodium sorbate is produced by neutralizing sorbic acid with sodium hydroxide. The reaction produces sodium sorbate and water. The sodium sorbate is then dried and ground into a powder.

Uses

Sodium sorbate is used as a food preservative in a variety of foods, including baked goods, dairy products, and processed meats. It is also used in cosmetics and personal care products as a preservative. Sodium sorbate is effective against molds, yeasts, and some bacteria.

Safety

Sodium sorbate is generally recognized as safe (GRAS) by the Food and Drug Administration (FDA). However, it can cause allergic reactions in some people. Symptoms can include skin irritation, respiratory problems, and gastrointestinal upset.

See also

• Potassium sorbate
• Calcium sorbate
• Food preservation
• Food safety

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