Allose: Difference between revisions

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Revision as of 09:13, 8 December 2011

Allose
Names
Stereo structural formula of (6R)-allopyranose
Preferred IUPAC name Allose
Systematic IUPAC name (2R,3R,4R)-2,3,4,5,6-Pentahydroxyhexanal
Identifiers
CAS Number	2595-97-3 (D) 7635-11-2 (L)
3D model (JSmol)	Interactive image
ChEBI	CHEBI:40822
ChemSpider	92408
InChI InChI=1S/C6H12O6/c7-1-3(9)5(11)6(12)4(10)2-8/h1,3-6,8-12H,2H2/t3-,4?,5-,6+/m0/s1Key: GZCGUPFRVQAUEE-OBOOZECYSA-N
SMILES OCC(O)(O)(O)(O)C=O
Properties
Chemical formula	C₆H₁₂O₆
Molar mass	180.156 g·mol
Melting point	128 °C (262 °F; 401 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). N verify (what is ?) Infobox references

Chemical compound

Allose is an aldohexose sugar. It is a rare monosaccharide that occurs as a 6-O-cinnamyl glycoside in the leaves of the African shrub Protea rubropilosa. Extracts from the fresh-water alga Ochromas malhamensis contain this sugar but of unknown absolute configuration. It is soluble in water and practically insoluble in methanol.

Allose is a C-3 epimer of glucose.

References

The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals (11th ed.). Merck. 1989. ISBN 091191028X.

Carbohydrates, edited by P.M. Collins, Chapman and Hall, ISBN 0-412-26960-0

External links

Rare Sugar Research Center

Types of carbohydrates

General

Geometry

Monosaccharides

Dioses	Aldodiose Glycolaldehyde
Trioses	Aldotriose Glyceraldehyde Ketotriose Dihydroxyacetone
Tetroses	Aldotetroses Erythrose Threose Ketotetrose Erythrulose
Pentoses	Aldopentoses Arabinose Lyxose Ribose Xylose Ketopentoses Ribulose Xylulose Deoxy sugars Deoxyribose
Hexoses	Aldohexoses Allose Altrose Galactose Glucose Gulose Idose Mannose Talose Ketohexoses Fructose Psicose Sorbose Tagatose Deoxy sugars Fucose Fuculose Rhamnose
Heptoses	Ketoheptoses Mannoheptulose Sedoheptulose
Above 7	Octoses Nonoses Neuraminic acid

Multiple

Disaccharides	Cellobiose Isomaltose Isomaltulose Lactose Lactulose Maltose Sucrose Trehalose Turanose
Trisaccharides	Maltotriose Melezitose Raffinose
Tetrasaccharides	Stachyose
Other oligosaccharides	Acarbose Fructooligosaccharide (FOS) Galactooligosaccharide (GOS) Isomaltooligosaccharide (IMO) Maltodextrin
Polysaccharides	Beta-glucan Oat beta-glucan Lentinan Sizofiran Zymosan Cellulose Chitin Chitosan Dextrin / Dextran Fructose / Fructan Inulin Galactose / Galactan Glucose / Glucan Glycogen Hemicellulose Levan beta 2→6 Lignin Mannan Pectin Starch Amylopectin Amylose Xanthan gum

Category

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