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IUPAC name (2R,3R,4S,5R,6R)-2-[(2S,3S,4S,5R)-3,4-Dihydroxy-2,5-bis(hydroxymethyl)oxolan-2-yl]oxy-6-[ [(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-[ [(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]oxan-2-yl]oxymethyl]oxane-3,4,5-triol
Other names β-D-Fructofuranosyl-O-α-D-galactopyranosyl-(1→6)-O-α-D-galactopyranosyl-(1→6)-α-D-glucopyranoside
CAS number 470-55-3
PubChem 91455
EINECS number 207-427-3
SMILES C([C@@H]1[C@H]([C@@H]([C@H]([C@H](O1)OC[C@@H]2[C@@H]([C@@H]([C@H]([C@H](O2)OC[C@@H]3[C@@H]


Molecular formula C24H42O21
Molar mass 666.578 g/mol
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Stachyose is an tetrasaccharide consisting of two D-galactose units, one D-glucose unit, and one D-fructose unit sequentially linked. Stachyose is naturally found in numerous vegetables (e.g. green beans, soybeans and other beans) and plants.

Additional recommended knowledge

Stachyose is less sweet than sucrose, at about 28% on a weight basis. It is mainly used as a bulk sweetener or for its functional oligosaccharide property. Stachyose is not completely digestible by humans and delivers 1.5 to 2.4 kcal/g (6 to 10 kJ/g).


  • Nakakuki, T. Present status and future of functional oligosaccharide development in Japan. Pure and Applied Chemistry 2002, 74, 1245-1251. Article

stachyose = galactose + raffinose

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Stachyose". A list of authors is available in Wikipedia.
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