Melezitose

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Melezitose
Melezitose.png
Names
IUPAC name
(2R,3R,4S,5S,6R)-2-[[(2S,3S,4R,5R)-4-hydroxy-2,5-bis(hydroxymethyl)-3-[[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)-2-tetrahydropyranyl]oxy]-2-tetrahydrofuranyl]oxy]-6-(hydroxymethyl)tetrahydropyran-3,4,5-triol
Other names
Melicitose
Identifiers
597-12-6 N
ChEBI CHEBI:6731 YesY
ChEMBL ChEMBL386007 YesY
ChemSpider 83787 YesY
Jmol-3D images Image
PubChem 92817
Properties
C18H32O16
Molar mass 504.44 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
 N verify (what isYesY/N?)
Infobox references

Melezitose, also spelled melicitose, is a nonreducing trisaccharide sugar that is produced by many plant sap eating insects, including aphids such as Cinara pilicornis by an enzyme reaction. This is beneficial to the insects, as it reduces the stress of osmosis by reducing their own water potential. The melezitose is part of the honeydew which acts as an attractant for ants and also as a food for bees. This is useful to the lice as they have a symbiotic relationship with ants. Melezitose can be partially hydrolyzed to glucose and turanose the latter of which is an isomer of sucrose.

References[edit]