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Encyclopedia > Ribulose
Fischer projection of D-ribulose
Fischer projection of D-ribulose

Ribulose is a ketopentose — a monosaccharide containing five carbon atoms, and including a ketone functional group. It has chemical formula C5H10O5. Two enantiomers are possible, D-ribulose (D-erythro-pentulose) and L-ribulose (L-erythro-pentulose). D-ribulose is an intermediate in the fungal pathway for D-arabitol production. Image File history File links D-ribulose. ... Image File history File links D-ribulose. ... Fischer projection of D-glucose In chemistry (particularly organic chemistry and biochemistry), a Fischer projection is a two-dimensional representation of a three-dimensional organic molecule by projection. ... A pentose is a monosaccharide with five carbon atoms. ... Monosaccharides are the simplest form of carbohydrates. ... General Name, Symbol, Number carbon, C, 6 Chemical series nonmetals Group, Period, Block 14, 2, p Appearance black (graphite) colorless (diamond) Atomic mass 12. ... Properties In chemistry and physics, an atom (Greek ἄτομος or átomos meaning indivisible) is the smallest particle still characterizing a chemical element. ... Ketone group A ketone is either the functional group characterized by a carbonyl group linked to two other carbon atoms or a chemical compound that contains this functional group. ... In organic chemistry, functional groups are specific groups of atoms within molecules, that are responsible for the characteristic chemical reactions of those molecules. ... A chemical formula (also called molecular formula) is a concise way of expressing information about the atoms that constitute a particular chemical compound. ... General Name, Symbol, Number carbon, C, 6 Chemical series nonmetals Group, Period, Block 14, 2, p Appearance black (graphite) colorless (diamond) Atomic mass 12. ... General Name, Symbol, Number hydrogen, H, 1 Chemical series nonmetals Group, Period, Block 1, 1, s Appearance colorless Atomic mass 1. ... General Name, Symbol, Number oxygen, O, 8 Chemical series nonmetals, chalcogens Group, Period, Block 16, 2, p Appearance colorless (gas) very pale blue (liquid) Atomic mass 15. ... In chemistry two stereoisomers are said to be enantiomers if one can be superimposed on the mirror image of the other, and vice versa. ...


As the 1,5-bisphosphate, it combines with CO2 at the start of the photosynthetic process in green plants (carbon dioxide trap); d-ribulose is the diastereomer of d-xylulose. Diastereomers are stereoisomers that are not enantiomers, or mirror images of each other. ...


A synthetic form of Ribulose, known as Sucroribulose is found in many brands of artificial sweeteners.


Ribulose sugars are composed in the Pentose Phosphate Shunt (Pentose Phosphate Pathway). They are important in the formation of many bioactive substances.


See also

Fischer projection of L-arabinose The chemical structure of D-arabinofuranose Arabinose is an aldopentose — a monosaccharide containing five carbon atoms, and including an aldehyde (CHO) functional group. ... Deoxyribose Deoxyribose, also known as D-Deoxyribose and 2-deoxyribose, is an aldopentose — a monosaccharide containing five carbon atoms, and including an aldehyde functional group. ... Lyxose is an aldopentose — a monosaccharide containing five carbon atoms, and including an aldehyde functional group. ... Ribose Ribose, primarily seen as D-ribose, is an aldopentose — a monosaccharide containing five carbon atoms, and including an aldehyde functional group. ... Xylose or wood sugar is an aldopentose — a monosaccharide containing five carbon atoms and including an aldehyde functional group. ... Xylulose is a sugar (a monosaccharide), one of the pentose series of carbohydrates. ...

External links

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