ester

(redirected from Ester bond)
Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to Ester bond: ester linkage

ester

 [es´ter]
a compound formed from an alcohol and an acid by removal of water.

es·ter

(es'tĕr),
An organic compound containing the grouping, -X(O)-O-R (X = carbon, sulfur, phosphorus, etc.; R = radical of an alcohol), formed by the elimination of H2O between the -OH of an acid group and the -OH of an alcohol group; usually written as in ethyl acetate (from acetic acid and ethyl alcohol), CH3CO-OC2H5 or CH3COOC2H5.

ester

/es·ter/ (es´ter) a compound formed from an alcohol and an acid by removal of water.

ester

[es′tər]
Etymology: Ger, Essigäther, acetic ether
a class of chemical compounds formed by the bonding of an alcohol and one or more organic acids, with the loss of a water molecule for each ester group formed. Fats are esters, produced by the bonding of fatty acids with the alcohol glycerol.

es·ter

(es'tĕr)
An organic compound containing the grouping, -X(O)-O-R (X = carbon, sulfur, phosphorus; R = radical of an alcohol), formed by the elimination of H2O between the -OH of an acid group and the -OH of an alcohol group.

ester

a compound formed from an alcohol and an acid.

es·ter

(es'tĕr)
An organic compound containing the grouping, -X(O)-O-R (X = carbon, sulfur, phosphorus; R = radical of an alcohol), formed by the elimination of H2O between the -OH of an acid group and the -OH of an alcohol group.

ester

chemical combination of an alcohol and an acid. In domestic animals the most common linkage is glycerol with fatty acid to form glycerides.

Patient discussion about ester

Q. Does anyone know an over the counter alternative to Lovaza, omega-3 acid ethyl esters? too expensive at Dr

A. there are all sort of companies that sell Omega-3, i buy from a company named Alsepa, but there are dozens of companies. but don't be tempted to buy a very cheap one, because they can be less purified.

More discussions about ester
References in periodicals archive ?
Furthermore, the introduction of the thioester bond between the spacer and the biphenyl mesogen induced a lowering of transition temperatures in comparison with the polyester having ester bonds between the spacer and the biphenyl mesogen.
However, this conclusion does not imply that a contribution of the direct ester-ester exchange mechanism to the transreactions occurring while blending molten polyesters is to be ruled out; in fact, in this case, the kinetics would be of the second order and the concentrations of both reacting ester bonds would be very high.
Ester bond Retention in tensile strength (%) Description concentration (a) 1 week 2 weeks 3 weeks PTMO-1U 0.
Enzymatics are specific and react only with ester bonds.
The fungus Rhizopus delemar produces a lipase that has a high degree of specificity for the hydrolysis and resynthesis of the primary ester bonds of triglycerides.
The clearing buffer hydrolyzes ester bonds not only in triglycerides and cholesterol esters but also in retinyl esters.
Because of the easy hydrolysis of ester bonds under high humidity condition, the molecular weight of PCL decreases, which makes tensile strength and thermal degradation temperature of PCL easily decreased.
Priplast polyester polyols contain significantly less ester bonds, providing the means for stable polyurethane dispersions as well as performance improvements in the areas of low temperature flexibility, hydrolytic resistance, substrate protection, adhesion to low energy substrate, ethanol resistance and UV-resistance, according to the company.