The d-isomer (also referred to as fruit sugar, levoglucose, levulose, and d-arabino-2-hexulose) is a 2-ketohexose that is physiologically the most important of the ketohexoses and one of the two products of sucrose hydrolysis; it is metabolized or converted to glycogen in the absence of insulin. [L. fructus, fruit, + -ose]

* * *

fruc·tose 'frək-.tōs, 'frük-, 'fru̇k-, -.tōz n
1) an optically active sugar C6H12O6 that differs from glucose in having a ketonic rather than an aldehydic carbonyl group
2) the very sweet soluble levorotatory D-form of fructose that occurs esp. in fruit juices and honey called also levulose

* * *

a simple sugar found in honey and in such fruit as figs. Fructose is one of the two sugars in sucrose. Fructose from the diet can be used to produce energy by the process known as glycolysis, which takes place in the liver. Fructose is important in the diet of diabetics since, unlike glucose, fructose metabolism is not dependent on insulin.

* * *

fruc·tose (frookґtōs) [L. fructus fruit] chemical name: D-fructose. A ketohexose found in honey and many sweet fruits and as a component of many di- and polysaccharides; it is obtainable by inversion of aqueous solutions of sucrose and subsequent separation of fructose from glucose. Called also fructopyranose, fruit sugar, and levulose. [USP] an official preparation of fructose, administered intravenously in solution as a fluid and nutrient replenisher.

Medical dictionary. 2011.

Игры ⚽ Поможем написать реферат

Look at other dictionaries:

  • Fructose — α D Fructofuranose et β D Fructofuranose …   Wikipédia en Français

  • fructose — [ fryktoz ] n. m. • 1890, n. f.; du lat. fructus « fruit » et 1. ose ♦ Sucre d origine végétale, isomère du glucose. ⇒ lévulose. ● fructose nom masculin (latin fructus, fruit) Sucre présent dans l organisme et dans l aliment …   Encyclopédie Universelle

  • Fructose — Fructose, Fruchtzucker, Kohlenhydrat aus der Gruppe der ⇒ Monosaccharide, Ketohexose, kommt als β D Fructose in Früchten und im Honig vor, in freier Form als Pyranose, in gebundener als Furanose. F. ist Bestandteil vieler Diund Polysaccharide,… …   Deutsch wörterbuch der biologie

  • Fructose — Fruc*tose (fr[u^]k*t[=o]s or fr[u^]k t[=o]s), n. [L. fructus fruit.] (Chem.) Fruit sugar; levulose. [R.] [1913 Webster] …   The Collaborative International Dictionary of English

  • fructose — fructose. См. фруктоза. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • fructose — sugar found in fruit, 1864, coined in English from L. fructus (see FRUIT (Cf. fruit)) + chemical suffix ose …   Etymology dictionary

  • fructose — ► NOUN Chemistry ▪ a simple sugar found chiefly in honey and fruit. ORIGIN from Latin fructus fruit …   English terms dictionary

  • fructose — [fruk′tōs΄, frook′tōs] n. [< L fructus, FRUIT + OSE1] a crystalline monosaccharide found in sweet fruits and in honey; fruit sugar; levulose …   English World dictionary

  • Fructose — D Fructose …   Wikipedia

  • Fructose — Strukturformel Fischer Projektion, offenkettige Darstellung Allgemeines Name …   Deutsch Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”