lactone


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Related to lactone: Homoserine lactone

lactone

 [lak´tōn]
a cyclic organic compound in which the chain is closed by ester formation between a carboxyl and a hydroxyl group in the same molecule.

lac·tone

(lak'tōn),
An intramolecular organic anhydride formed from a hydroxyacid by the loss of water between a hydroxyl and a -COOH group; a cyclic ester.

lactone

/lac·tone/ (lak´tōn) a cyclic organic compound in which the chain is closed by ester formation between a carboxyl and a hydroxyl group in the same molecule.

lac·tone

(lak'tōn)
An intramolecular organic anhydride formed from a hydroxyacid by the loss of water between an -OH and a -COOH group; a cyclic ester.

lactone (lakˑ·tōn),

n a compound with a high molecular mass that comprises an ester linked to a ring structure of carbon atoms. Significant members of this group are coumarin and its derivatives. It is found in expressed oils and some absolutes. It has been used as an anticoagulant, sedative, and antipyretic. Harmful effects include skin allergies and potential toxicity to the nervous system.

lac·tone

(lak'tōn)
An intramolecular organic anhydride formed from a hydroxyacid by the loss of water between an -OH and a -COOH group; a cyclic ester.

lactone,

n an organic anhydride formed from a hyroxyacid by the loss of water between an 2OH and a 2COOH group.

lactone

1. an aromatic liquid from lactic acid.
2. a cyclic organic compound in which the chain is closed by ester formation between a carboxyl and a hydroxyl group in the same molecule.
References in periodicals archive ?
Quorum sensing in Aeromonas hydrophila and Aeromonas salmonicida: identification of the LuxRI homologs AhyRI and AsaRI and their cognate N-acylhomoserine lactone signal molecules.
CONCENTRATION OF OAK VOLATILES IN TOASTED OAK Oak Samples Concentration ([micro]g/g) cis-oak frans-oak gualacol lactone lactone Aroma Descriptors coconut, coconut, smoky, vanilla vanilla burnt bacon New French oak (a) nd-11.
cereus, these isolate had capability to degrade N-3-oxooctanoyl homoserine lactone and N-3-oxohexanoyl homoserine lactone rapidly.
immitis resistance to macrocyclic lactones, such as ivermectin, for heartworm chemoprophylaxis.
Other than having a low lactone HCA preparation made up in large part of K and/or Mg salts, this antiobesity agent must be handled properly.
The lactonase family cleaves the lactone ring of AHLs releasing N-acyl homoserines, which are not recognized as a QS signal, some examples include AiiA from Bacillus sp.
Free, lactone and total acidity of honey (Electrophoretic Method), 12 ed.
stewartii uses 3oxohexanoyl acyl carrier protein and SAdenosylL Methionine (SAM) as substrates to make 3oxohexanoyl homoserine lactone (AHL) autoinducers.
In this study a fraction containing the lactone sesquiterpene onopordopicrin (ONP) from Arctium lappa was administered orally as either 25mg/kg daily or 50mg/kg daily 48, 24 and 1 hour before the induction of colitis in rats by the administration of 2,4,6 trinitrobenzene sulfonic acid (TNBS).
Eprinomectin, a semi synthetic compound, member of macrocyclic lactone of avermectin family intended for treatment of endo and ectoparasities.