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Lactone

- Noun

One of a series of organic compounds, regarded as anhydrides of certain hydroxy acids. In general, they are colorless liquids, having a weak aromatic odor. They are so called because the typical lactone is derived from lactic acid.


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  • Lactone

    Lactone

    Lactones are cyclic carboxylic esters, containing a 1-oxacycloalkan-2-one structure (–(C=O)–O–), or analogues having unsaturation or heteroatoms replacing one or more carbon atoms of the ring.

  • Sesquiterpene lactone

    Sesquiterpene lactones (SLs) are a class of sesquiterpenoids that contain a lactone ring. They are most often found in plants of the family Asteraceae (daisies, asters). Other plant families with SLs are Umbelliferae (celery, parsley, carrots) and Magnoliaciae (magnolias). A collection of colorless, lipophilic solids, SLs are a rich source of drugs. They can be allergenic and toxic in grazing livestock. Some are also found in corals such as Maasella edwardsi.

  • Triacetic acid lactone

    Triacetic acid lactone

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  • Resorcylic acid lactone

    Resorcylic acid lactones are a group of estrogenic compounds. They are lactones of resorcylic acid. Examples include the mycoestrogens (and synthetic analogues ) zearalenone, zearalanone, zeranol (α-zearalanol), taleranol (β-zearalanol), α-zearalenol, and β-zearalenol.

  • Corey lactone 4-phenylbenzoate

    Corey lactone 4-phenylbenzoate

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  • Wine lactone

    Wine lactone

    Wine lactone is a pleasant smelling compound found naturally in apples, orange juice, grapefruit juice, orange essential oil, clementine peel oil and various grape wines. It was first discovered as an essential oil metabolite in koala urine by Southwell in 1975. It was discovered several years later by Guth in white wines and was named "wine lactone". This monoterpene imparts "coconut, woody and sweet" odors to a wine. There are 8 possible isomers of wine lactone with the (3S, 3a S, 7aR) isomer being the only one that has been found in wine. This isomer is also the most potent of all eight with an odor detection threshold of 10 ng/L in model wine.

  • Massoia lactone

    Massoia lactone

    Massoia lactone is an alkyl lactone derived from the bark of the Massoia tree (Cryptocaria massoia) which is found in Papua, Indonesia though the compound can also be found as a component of cane sugar molasses, cured tobacco, and the essential oil of Sweet Osmanthus (Osmanthus fragrans *). Chemically, massoia lactone can be obtained as a minor product in transfer hydrogenation of 6-amyl-α-pyrone.

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    Acyl-homoserine lactone acylase may refer to:

  • (R)-5-hydroxy-2-decenoic acid lactone

  • N Acyl homoserine lactone

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