digitalin

digitalin
digitalin dig"i*ta`lin, n. [Cf. F. digitaline.] (a) (Medicine, Pharmacy) Any one of several extracts of foxglove ({Digitalis}), as the ``French extract,'' the ``German extract,'' etc., which differ among themselves in composition and properties. Both {Digitalis lanata} and {Digitalis purpurea} have been used to prepare such extracts. (b) (Chem.) the distinctive chemical substance, a steroid glycoside, which is the essential ingredient of the extracts of foxglove. It is a white, crystalline substance ({C36H56O14}), and is a 3-substituted diglucoside of a steroid. It is a powerful cardiac stimulant and is used as a cardiotonic for treatment of certain heart conditions, such as congestive heart failure. Chemically it is

(3[beta],5[beta],16[beta])-3-[6-Deoxy-4-O-[beta]-D-glucopyranosyl-3-O-methyl-[beta]-D-galactopyranosyl)oxy]-14,16-dihyroxy-card-20 (22)-enolide. The related compounds {digitoxin} and {digoxin} are also extracted from the foxglove. The class of steroid glycosides having cardiotonic properties are refered to as the cardiac glycosides. --MI11

Syn: digitalinum verum, Diginorgin, Schmiedeberg's digitalin, digitalis, digitalis glycoside. [1913 Webster +PJC]


The Collaborative International Dictionary of English. 2000.

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Look at other dictionaries:

  • Digitalīn — (Chem.), C16H14O7, eine in der Digitalis purpurea sich findende organische Base, welche so dargestellt wird: das alkoholähnliche Extract der trockenen Pflanze wird mit Wasser behandelt, so lange dasselbe noch einen bitteren Geschmack annimmt, der …   Pierer's Universal-Lexikon

  • Digitalīn — C35H56O14 (?), nach Kiliani ein amorphes Glykosid in Digitalis purpurea, wird durch Salzsäure gespalten in Digitaligenin C23H32O3, Traubenzucker C6H12O6 und Digitalose C7H14O5. Ein andres Glykosid, das Digitoxin C34H54O11, schmilzt bei 145° und… …   Meyers Großes Konversations-Lexikon

  • Digitalin — Digitalin, s. Glykoside …   Lexikon der gesamten Technik

  • digitalin — [dij΄i tal′in; ] also [, dij΄itā′lin] n. [< DIGITALIS + IN1] a poisonous, crystalline glycoside, C36H56O14, obtained from the seed of the digitalis …   English World dictionary

  • digitalin — noun Etymology: New Latin Digitalis Date: 1837 1. a white crystalline steroid glycoside C36H56O14 obtained from seeds especially of the common foxglove 2. a mixture of the glycosides of digitalis …   New Collegiate Dictionary

  • digitalin — /dij i tal in, tay lin/, n. Pharm. 1. a glucoside obtained from digitalis. 2. any of several extracts of mixtures of glucosides obtained from digitalis. [1830 40; DIGITAL(IS) + IN2] * * * …   Universalium

  • digitalin — noun Any of a mixture of glycosides, extracted from the foxglove plant, that is used as a cardiotonic …   Wiktionary

  • digitalin — A standardized mixture of digitalis glycosides used as a cardiotonic in the treatment of congestive heart failure. crystalline d. SYN: digitoxin. * * * dig·i·tal·in .dij ə tal ənalso tāl n …   Medical dictionary

  • digitalin — n. poisonous substance derived from the digitalis plant …   English contemporary dictionary

  • digitalin — [ˌdɪdʒɪ teɪlɪn] noun a drug containing the active constituents of digitalis …   English new terms dictionary

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