betaine

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betaine

 [be´tah-ēn]
the carboxylic acid derived by oxidation of choline; it acts as a transmethylating metabolic intermediate and is used in the treatment of homocystinuria. The hydrochloride salt is used as a gastric acidifier.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

be·ta·ine

(bē'tă-īn), Avoid the mispronunciation bē'tān.
1. An oxidation product of choline and a transmethylating intermediate in metabolism.
2. A class of compounds related to betaine. (1) (that is, R3N+-CHR'-COO-), for example, glycine betaine.
Synonym(s): glycine betaine
Farlex Partner Medical Dictionary © Farlex 2012

betaine

(bē′tə-ēn′, -ĭn)
n.
1. A sweet-tasting crystalline alkaloid, C5H11NO2, found in sugar beets and other plants, used to treat certain metabolic disorders, especially an enzyme defect that causes excessive levels of homocysteine in the blood and urine.
2. Any of several alkaloids with similar structures.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

be·ta·ine

(bā'tă-ēn)
An oxidation product of choline and a transmethylating intermediate in metabolism.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
harmala parts included sucrose, harmine, proline, lysine, betaine, acetic acid, harmaline, vasicine, choline, 4-hydroxyisoleucine, and asparagine.
For osmotic adjustment, plants use inorganic ions such as [Na.sup.+] and [K.sup.+] and/or synthesize organic compatible solutes such as proline, betaine, polyols, and soluble sugars.
Interest in the medical use of betaine [2(N,N,N-trimethyl-ammonium) acetate] has been generated by the knowledge of its importance as an alternative homocysteine methylating agent.
Cycloteric[R] - Alkyl dimethyl betaines, Alkyl amido betaines, Alkyl amino propionates, Amphoacetates
Type Electrical Charge Anchoring Groups Anionic Negative Phosphates, Sulfonates, Sulfates, Carboxylates Cationic Positive Quaternary Ammonium Salts of fatty amines Amphoteric pH dependent Betaines, Phospholipids Non ionic No Charge Ethoxylates Table 2: Surface tension of common solvents used in coatings Solvent Surface tension, mN/m Mineral Spirits 25.20 Xylene 30.10 MEK 24.60 Ethyl Acetate 23.90 Water 72.80 Table 3.
Schnaare, "Antimicrobial evaluation of N-alkyl betaines and N-alkyl-N, N-dimethyl-amine oxides with variations in chain length," Antimicrobial Agents and Chemotherapy, vol.
Miller, "Surface Active Betaines," in Amphoteric Swfactants, B.L.
The class of amphoteric surfactants is represented by betaines and certain lecithins, while nonionic surfactants include polyethylene oxide, alcohols, and other polar groups.
Determination of betaines by fast atom bombardment mass spectrometry: identification of glycine betaine deficient genotypes of Zea mays.
Betaines in particular will benefit from their ability to replace diethanolamine in formulations where nitrosamine formation is of concern.