Psicose
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Psicose
IUPAC name	(3R,4R,5R)-1,3,4,5,6-pentahydroxyhexan-2-one
Identifiers
CAS number	[23140-52-5]
PubChem	90008
MeSH	psicose
SMILES	C(C(C(C(C(=O)CO)O)O)O)O
Properties
Molecular formula	C6H12O6
Molar mass	180.156
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox references

D-Psicose (D-ribo-2-hexulose, C₆H₁₂O₆) is an ultralow-energy monosaccharide sugar. It is a C-3 epimer of D-fructose, and is present in small quantities in agricultural products and commercially-prepared carbohydrate complexes. It is known as a "rare sugar" because it is rarely found in nature, and even when found, only in small amounts. D-Psicose yields only 0.3% the metabolic energy of the equivalent amount of sucrose. Its name derives from the antibiotic psicofuranine, from which it can be isolated. Research is being conducted into how it can be used in diets to aid in combatting hyperglycemia, hyperlipidemia, and obesity.

External links

Rare Sugar Research Center