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ester

 [es´ter]
a compound formed from an alcohol and an acid by removal of water.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

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.
Farlex Partner Medical Dictionary © Farlex 2012

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.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

ester

a compound formed from an alcohol and an acid.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

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.
Medical Dictionary for the Dental Professions © Farlex 2012

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.

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References in periodicals archive ?
The rats fed a high cholesterol diet had markedly higher serum levels of total, free, esterified and LDL cholesterol relative to those fed a normal diet.
The ovarian follicular fluid samples were diluted >100-fold with buffer for the analysis of esterified estradiol and >6000-fold for the analysis of nonesterified estradiol.
Figure 7 shows the results of the three nanofillers, used without modification, oxidized, and esterified. Results of the three types of nanofillers were practically the same.
Esterified cholesterol comprises the majority of LDL (Figure 2).
The proton band related to the C-ring hydroxyl group was absent in the esterified material, but was detected in a 4.0-to-3.6-ppm region in the nomnodified tannin.
Efficacy of esterified glucomannan to counteract mycotoxicosis in naturally contaminated feed on performance and serum biochemical and hematological parameters in broilers.
The esterified glucomannan (EGM) and mannan oligosaccharide (MOS) in yeast cell wall have been considered responsible for the binding of AFB1 (Jalili, 2015).
When taking a lutein supplement, it is important to find the free form in addition to the esterified form.
Therefore, carotenoid levels and particularly the content of free and esterified astaxanthin should be assessed in wild shrimp populations.
[USPRwire, Fri Sep 28 2018] Inosinic acid is a purine nucleotides which has one phosphate group esterified to the sugar moiety and hypoxanthine as the base.