Acetoin
Information about Acetoin
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Acetoin, also known as 3-hydroxybutan-2-one or acetyl methyl carbinol, is a chemical compound with the formula C4H8O2. It is a colorless or pale yellow liquid with a pleasant buttery odor. Acetoin is a natural compound found in various foods and is used as a flavoring agent.
Chemical Properties[edit | edit source]
Acetoin is a ketone and an alcohol, which makes it a hydroxy ketone. It is soluble in water and has a boiling point of 148 °C. The compound is chiral, meaning it has two enantiomers, which are mirror images of each other.
Biological Role[edit | edit source]
Acetoin is produced by various microorganisms during the fermentation process. It is an intermediate in the butanediol fermentation pathway, which is utilized by some bacteria to convert glucose into energy. This compound is also found in honey, butter, and yogurt, contributing to their characteristic flavors.
Uses[edit | edit source]
Acetoin is widely used in the food industry as a flavoring agent due to its buttery taste. It is also used in the production of perfumes and cosmetics. In the biotechnology field, acetoin is studied for its potential use in biofuel production.
Safety[edit | edit source]
Acetoin is generally recognized as safe (GRAS) by the Food and Drug Administration (FDA) when used in food. However, exposure to large amounts may cause irritation to the eyes and respiratory tract.
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