| 释义 |
betaineenUK
be·ta·ine B0213500 (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.
[Latin bēta, beet + -ine.]betaine (ˈbiːtəˌiːn; -ɪn; bɪˈteɪiːn; -ɪn) n1. (Elements & Compounds) a sweet-tasting alkaloid that occurs in the sugar beet and other plants and in animals. Formula: C5H11NO22. (Chemistry) (plural) a group of chemical compounds that resemble betaine and are slightly basic zwitterions[C19: from New Latin Bēta beet + -ine2]be•ta•ine (ˈbi təˌin, -ɪn; bɪˈteɪ in, -ɪn)
n. 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] Thesaurus| Noun | 1. |  betaine - a sweet tasting alkaloid that occurs in sugar beetsalkaloid - natural bases containing nitrogen found in plants |
betaineenUK
betaine[′bēd·ə‚ēn] (organic chemistry) C5H11O2N An alkaloid; very soluble in water, soluble in ethyl alcohol and methanol; the hydrochloride is used as a source of hydrogen chloride and in medicine. Also known as lycine; oxyneurine. betaineenUK
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.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 betainebetaine (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.be·ta·ine (bā'tă-ēn) An oxidation product of choline and a transmethylating intermediate in metabolism. betaineenUK
Related to betaine: taurine, betaine hydrochlorideWords related to betainenoun a sweet tasting alkaloid that occurs in sugar beetsRelated Words |