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A diose is a monosaccharide containing two carbon atoms. Because the general chemical formula of an unmodified monosaccharide is (C·H₂O)_n, where n is three or greater, it does not meet the formal definition of a monosaccharide. However, since it does fit the formula (C·H₂O)_n, it is sometimes thought of as the most basic sugar.^[1] There is only one possible diose, glycolaldehyde (2-hydroxyethanal), which is an aldodiose (a ketodiose is not possible since there are only two carbons).

References

^ Abderhalden, Emil (1908) [1906]. Text Book of Physiological Chemistry in Thirty Lectures. Translated by William T Hall and George Defren. New York: J Wiley & Sons. p. 19. Retrieved 23 April 2014.

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[Abderhalden-1] Abderhalden, Emil (1908) [1906]. Text Book of Physiological Chemistry in Thirty Lectures. Translated by William T Hall and George Defren. New York: J Wiley & Sons. p. 19. Retrieved 23 April 2014.

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 [[File:Glycolaldehyde-3D-balls.png|thumb|Glycolaldehyde is the only diose]]
-A '''diose''' is a [[monosaccharide]] containing two [[carbon]] [[atom]]s.  Because the general [[chemical formula]] of an unmodified monosaccharide is (C·H<sub>2</sub>O)<sub>n</sub>, where n is three or greater, it does not meet the formal definition of a monosaccharide.  However, since it does fit the formula (C·H<sub>2</sub>O)<sub>n</sub>, it is sometimes thought of as the most basic sugar. There is only one possible diose, [[glycolaldehyde]] (2-hydroxyethanal), which is an aldodiose (a ketodiose is not possible since there are only two carbons).
+A '''diose''' is a [[monosaccharide]] containing two [[carbon]] [[atom]]s.  Because the general [[chemical formula]] of an unmodified monosaccharide is (C·H<sub>2</sub>O)<sub>n</sub>, where n is three or greater, it does not meet the formal definition of a monosaccharide.  However, since it does fit the formula (C·H<sub>2</sub>O)<sub>n</sub>, it is sometimes thought of as the most basic sugar.<ref name="Abderhalden">{{cite book |title=Text Book of Physiological Chemistry in Thirty Lectures|last=Abderhalden|first=Emil|authorlink=Emil Abderhalden|others=Translated by William T Hall and George Defren|year=1908|origyear=1906|publisher=J Wiley & Sons|location=New York|url=https://archive.org/details/textbookofphysio00abde|page=19|accessdate=23 April 2014}}</ref> There is only one possible diose, [[glycolaldehyde]] (2-hydroxyethanal), which is an aldodiose (a ketodiose is not possible since there are only two carbons).
 == See also ==
 * [[Triose]]
 * [[Tetrose]]
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 * [[Hexose]]
 * [[Heptose]]
+==References==
+{{Reflist}}
 {{biochem-stub}}