Dictionary > Allose

Allose

Definition
noun
An aldohexose monosaccharide that is a stereoisomer of glucose and found in the leaves of the African shrub Protea rubropilosa
Supplement
Monosaccharides are the simplest form of carbohydrates. They may be classified based on the number of constituent carbon atoms. For instance, hexose is a monosaccharide with six carbon atoms. They may also be classified based on the functional group present: aldose and ketose. Allose is one of the hexose monosaccharides and classified as an aldose.
Allose is a stereoisomer of glucose. It is an epimer of altrose1 as well as of glucose (at C3). Allose and glucose have a chemical formula of C6H12O6. Allose, though, is a rare monosaccharide. It occurs in the leaves of the African shrub Protea rubropilosa as a 6-O-cinnamyl glycoside.
D-allose is a form of allose that, based on Fischer projection, is capable of rotating the plane polarized light in the clockwise direction. Because of the rarity of this sugar, it is being produced synthetically as it has been found to have medical benefits. D-allose has about 80% sweetness of sucrose (common table sugar). As an energy source, its energy value is almost close to zero. It has been demonstrated to provide immunosuppressive effect, suppress the amount of reactive oxygen species, and inhibit the proliferation of cancer cells.2
IUPAC name:

  • (2R,3R,4R,5R)-2,3,4,5,6-Pentahydroxyhexanal

Chemical formula:

  • C6H12O6
  • See also:

    • monosaccharide
    • glucose
    • stereoisomer

    Reference(s):

    1 Allose. (n.d.). Retrieved from https://www.merriam-webster.com/medical/allose

    2 Iida, T. & Okuma, K. (2013). Properties of Three rare Sugars D-psicose, D-allose, D-tagatose and Their Applications. J-STAGE, 13(9): 435-440. https://doi.org/10.5650/oleoscience.13.435


    You will also like...

    Pikas are an indicator species for climate change
    Indicator Species and Endangered Species

    Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..

    Biological Viruses
    Biological Viruses

    Viruses possess both living and non-living characteristics. This unique feature distinguishes them from other organisms...

    Neurology of Illusions
    Neurology of Illusions

    Illusions are the perceptions and sensory data obtained from situations in which human error prevents us from seeing the..

    Freshwater aquatic plankton
    Freshwater Communities & Plankton

    Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..

    DNA molecule
    Genetic Control – On and Off Genes

    Genes are the blueprint of our bodies, a blueprint that creates a variety of proteins essential to any organism's surviv..

    Regulation of Biological Systems
    Regulation of Biological Systems

    Regulation of Biological Systems tutorials are focused on the modulation of biological systems from cell to population l..

    Related Articles...

    No related articles found

    See all Related Topics