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 (bē′tə-ēn′, -ĭn)
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.

[Latin bēta, beet + -ine.]


(ˈbiːtəˌiːn; -ɪn; bɪˈteɪiːn; -ɪn)
1. (Elements & Compounds) a sweet-tasting alkaloid that occurs in the sugar beet and other plants and in animals. Formula: C5H11NO2
2. (Chemistry) (plural) a group of chemical compounds that resemble betaine and are slightly basic zwitterions
[C19: from New Latin Bēta beet + -ine2]


(ˈbi təˌin, -ɪn; bɪˈteɪ in, -ɪn)

a colorless crystalline alkaloid, C5H11NO2, usu. obtained from sugar beets or synthesized from glycine and used in medicine.
[1875–80; < Latin bēta beet + -ine 2]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.betaine - a sweet tasting alkaloid that occurs in sugar beetsbetaine - a sweet tasting alkaloid that occurs in sugar beets
alkaloid - natural bases containing nitrogen found in plants
References in periodicals archive ?
Lubrizol has invested in a state-of-the-art multi-purpose reactor in Brazil to produce a wide range of secondary surfactants and blends including Chembetaine betaines, Amidex amides and Chemoxide amine oxides, according to Kaltenbach.
As per the release, amidopropyl betaines are amphoteric surfactants increasingly used in cosmetic, toiletry and home care applications due to their vast benefits.
Significance of betaines in the increased chlorophyll content of plants treated with seaweed extract.
Other segments such as surfactants and thioglycolic acid are projected to exhibit significant growth during the forecast period, as MCA is used to manufacture a range of intermediates such as betaines and imidazolines.
Effect of betaines and taurine and its derivatives on plasma cholesterol levels in rats.
DMAPA is mainly consumed in the production of betaines, which are used as co-surfactants in personal care products like shampoo and body wash.
It has been shown that electron transfer fluorescence quenching does take place in quinoline betaines compounds.
Betaines and amphoteric surfactants lend mildness to formulas.
However, the greatest growth will be registered by amphoteric surfactants such as betaines, propionates and amphoglycinates.
Problems associated with the isolation, detection, and measurement of quaternary ammonium compounds, including betaines in biological materials, have been reviewed by Gorham (6).
DMAPA is an important intermediate as a surfactant for the production of soft soaps and other products, as an intermediate for the production of betaines and fatty amine oxides.
For example, betaines are excellent secondary surfactants most often used in combination with SLES; they help to enhance the performance and foam aesthetics and reduce the irritancy of the primary sulfate-based component.