Sugar structure in which the carbonyl carbon is condensed with a hydroxyl group (ie. in a hemi-acetal link), forming a ring of five carbons and one oxygen. Most hexoses exist in this form, although in sucrose, fructose is found with the smaller (four carbon) furanose ring.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • Pyranose — is a collective term for carbohydrates which have a chemical structure that includes a six membered ring consisting of five carbons and one oxygen. The pyranose ring is formed by the reaction of the C 5 alcohol group of a sugar with its C 1… …   Wikipedia

  • Pyranose — Un pyranose est un terme désignant les oses dont la structure chimique est composé d un cycle à 6 atomes : 5 de carbone et un d oxygène. Sommaire 1 Structure 2 Mutarotation 3 Notes et références …   Wikipédia en Français

  • Pyranose — α D Glucopyranose Als Pyranosen werden Lactole von Monosacchariden bezeichnet, die einen Sechsring aus fünf Kohlenstoff und einem Sauerstoff Atom, sowie an einem der C Atome, die den ringbildenden Sauerstoff binden, eine Hydroxylgruppe… …   Deutsch Wikipedia

  • pyranose — piranozė statusas T sritis chemija apibrėžtis Monosacharido tautomeras, turintis šešianarį žiedą. atitikmenys: angl. pyranose rus. пираноза …   Chemijos terminų aiškinamasis žodynas

  • pyranose — noun Etymology: International Scientific Vocabulary Date: 1927 a monosaccharide in the form of a cyclic hemiacetal containing a pyran ring …   New Collegiate Dictionary

  • pyranose — /puy reuh nohs , nohz /, n. Biochem. any monosaccharide having a pyran ring structure. [1925 30; PYRAN + OSE2] * * * …   Universalium

  • pyranose — noun any cyclic hemiacetal form of a monosaccharide having a six membered ring (based on tetrahydropyran) See Also: pyran …   Wiktionary

  • pyranose — A cyclic form of a sugar in which the oxygen bridge forms a pyran. * * * py·ra·nose pī rə .nōs, .nōz n a monosaccharide in the form of a cyclic hemiacetal containing a pyran ring * * * pyr·a·nose (pirґə nōs) any sugar containing a pyran …   Medical dictionary

  • Pyranose — Py|ra|no|se [↑ Pyran u. ↑ ose (1)], die; , n: Gruppenbez. für Aldosen u. Ketosen (↑ Monosaccharide), die nicht als offene Kette, sondern als Halbacetale oder ketale in pyranosidischer (Jargon: pyranosider; Abk.: p) Form in Gestalt eines… …   Universal-Lexikon

  • Pyranose — Py|ra|no|se* die; , n (meist Plur.) <zu ↑Pyran u. 2↑...ose> Zucker, dessen Molekül das Ringsystem des Pyrans enthält; vgl. ↑Monosaccharid …   Das große Fremdwörterbuch

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